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SERVICE MANUALPN: RCSM2003A166/A187/A189®RICOH GROUP COMPANIESCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

LEGENDPRODUCT CODE COMPANYGESTETNER RICOH SAVINA166 2703 Aficio 2003 SDC103A187 2703D Aficio 2103 SDC103AA189 2703DE Aficio 2203 SDC103EDOCUMENTATION

3.3 SCANNER DRIVE A five-phase stepper motor [A] drives the scanner. The 1st [B] and 2nd [C]scanners are driven by this scanner drive motor [A] via 2

3.4 COLOR CCD The color CCD converts light reflected from the original into three analogsignals, one for each of the three basic colors Red, Green, an

3.5 WHITE PLATE SCANNING There is a white plate [A] for auto shading, located on the exposure glass [B]underneath the left scale. When this white plat

3.7 ORIGINAL SIZE DETECTION There are three reflective sensors (APS sensors) in the optics cavity for theoriginal size detection. The original width

Original SizeAPS1 APS2 APS3 APS4 APS5A4/A3Version(metric)LT/DLTVersion(inch)A311x1711111B410x1411110F (8"x13") 81/2x1411100A4-L 81/2x110110

3.8 OTHERS (1) Anti-condensation HeaterAn anti-condensation heater [A] is installed on the left side of the opticalbase plate. It turns on when the ma

(3) Scanner Unit For field servicing, the scanner unit [A] can be opened. When the scannerunit is lifted, the actuator of the scanner unit lift sensor

4.IMAGE PROCESSING4.1 OVERVIEW The light from the halogen lamp is reflected by the original onto the CCDboard. The CCD board has a CCD (Charge Coupled

4.2 SCANNER SECTION BLOCK DIAGRAM CLP (Clamp): Defines the standard black level signals for the black signal.S/H (Sample and Hold): Samples the analog

4.3 SCANNER SECTION4.3.1 Photoelectric ConversionThe color CCD converts the light reflected from the original into RGB analogsignals (4.475 MHz for ea

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4.3.4 Shading Circuit (1) Shading Compensation (GA1, GA2)Before scanning each original, the machine generates a reference whitewaveform (also known as

The video signal for each pixel obtained during image scanning is correctedby the shading circuit as follows: (Video data for each pixel) – (Black s

4.3.5 D/A Conversion The CPU monitors the digital feedback signals from the shading circuits andcalculates correction factors. Then the D/A circuit co

4.4 IPU SECTION BLOCK DIAGRAM IMAGE PROCESSINGA166/A187/A189 2-44 SMCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

4.5 IPU SECTION4.5.1 Picture Element Correction and Scanner Gamma Correction(1) Picture Element Correction The Picture Element Correction circuit does

(2) Scanner Gamma Correction (RGB Gamma) The RGB video signals detected by the CCD are converted to 8-bit digitalsignals in the scanner section and s

4.5.2 ACS (Auto Color Selection) Auto color selection mode determines if an original is black/white or color.Then black copy mode or full color mode

4.5.3 Auto Letter/Photo Separation In auto letter/photo mode, the original image is separated into letter andphoto areas (dot screen areas). NOTE:&qu

(1) Edge separationThe edge of letters and line diagram elements are separated by using thefollowing characteristics:Strong contrast, continuity of b

4.5.4 Filtering and Color Conversion(1) RGB Smoothing Filter Depending on the results of auto letter/photo separation, the appropriatesoftware filte

Table of Contents OVERALL MACHINE INFORMATION1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.1 M

b. ADS (Auto Image Density Selection) In ADS, the user does not set the threshold; the machine calculates it,guided by input from the user (there

Original ColorTonerBk R Y G C B M WY 11110000M 11000110C 10011100Bk 10000000Color Conversion Table a. Color conversion modeColor conversion mode is

(4) YMCK Smoothing The YMCK filter smooths the image data in photo areas only to give a softerimage. (5) Edge Emphasis Filter (High Contrast Filter)

(6) UCR (Under Color Removal) Principle Getting the right colors using YMC toner addition does not always workperfectly. For example, if for each co

In this example, the UCR ratio is 70%.For a Black ImageWhen a black image is copied, the ID values for all colors are equal (figure1). For each colo

Changes in UCR Ratio with Image Density and Copy Mode - Letter Areas -The UCR ratio in letter areas is always 100%.- Photo Areas, with ACS Priority

4.5.5 Main Scan Magnification Reduction and enlargement in the sub scan direction are done by changingthe scanner speed. However, reduction and enlarg

4.5.6 Gamma Correction (Printer Gamma) (1) BKCMY GammaIdeally, the gamma curves for Yellow, Magenta, Cyan, and Black should beidentical, as shown in

- ID max. -This mode is used to adjust the total image density level as shown in figure 3.– High ID –The High ID mode should be used to adjust the

(2) ACC Test Pattern The IPU board firmware has a test pattern that has eight 10-step gradationscales for each color (BKCMY) for Letter mode and Photo

5.4 SWITCHES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-29 5.5 LAMPS. . . . . . . . . . .

4.5.7 Gradation Treatment (Dither Processing) In this machine, 4 x 4 dot dither patterns (4 bits/dot) convert the 8-bit data to4-bit data before it go

4.6 CPUThe CPU (16-bit) controls the image data and the timing in the scanner andIPU sections.4.7 EXTENDED IPU (EDIT MACHINE ONLY) The extended IPU ha

(1) Image processing for the display monitor– Image processing for Editing –400 dpi image data (from the Green signal only) is converted to 100 dpi a

(2) Area data processingArea information edited by an operator is processed in the SCU and is sentto the extended IPU through the CPU as area data. In

5.LASER EXPOSURE 5.1 OVERVIEW A: Laser Diode Unit E: Laser Synchronization Detector Board-1B: F-theta Lenses F: Laser Synchronization Dete

5.2 OPTICAL PATH 5.2.1 Overview The output path from the laser diode to the drum is shown above.The LD unit [A] outputs the laser beam to the polygon

5.2.2 Cylindrical LensThe laser beam is focused by the cylindrical lens [A], and sent to the polygonmirror.5.2.3 Polygon MirrorThe polygon mirror ass

5.2.4F-theta Lenses and the BTL The angles between pixels are equal. However, if the beam were to godirectly to the drum as shown in the upper illus

5.2.5 Laser Synchronizing Detector Boards Some of the optical components are made of plastic, and may expand andcontract with changes of temperature.

5.3 GRADATION CONTROL (LASER POWER MODULATION) The LD power for each gradations is defined by process control.To form the latent image, the laser b

1.4 TONER SUPPLY CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15 1.4.1 Toner Supply Control Method . . . . . .

5.4 AUTO POWER CONTROL (APC) Even if a constant electric current is applied to the laser diode, the intensityof the output light changes with the te

5.5 LD SAFETY SWITCHES To ensure that the laser beam does not accidentally switch on duringservicing, there are two safety switches located at the fr

6.DEVELOPMENT UNIT6.1 OVERVIEWThe CMYK development unit is a revolver type, and is composed of thedevelopment and toner supply sections for each color

6.2 MECHANISMS6.2.1 Revolver Development Mechanism The Development Unit is a revolver body which is composed of developmentsections for each color (Bk

(1) Revolver Drive The center pin [A] at the rear and the two revolver support rollers [B] on thedevelopment stay [C] keep the development unit in t

(2) Revolver H.P. Detection The revolver H.P. sensor [A] is at the front side of the development unit(figure 1). The revolver home position is the po

6.2.2 Development Mechanism The development unit contains four development mechanisms in one body,one for each color. Each development section is r

6.2.3 Toner Mixing Mechanism Toner mixing supplies toner from the cartridges to the sub hoppers.Toner mixing is performed by rotating the development

TimingThe revolver rotates at particular times to prevent errors in toner enddetection. This rotation has two purposes; one is to supply toner to theh

- Toner Agitation - During a multiple copy job in 1C mode (Bk, C, M, and Y single-color copymode), the development unit does not rotate after the requ

4.3.5 D/A Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-43 4.3.6 Scan Line Correction . . . . .

6.2.4 Developer Mixing Mechanism This mechanism supplies toner from the sub hopper to the developmentroller.The dual mixing roller is composed of the

Timing Toner supply for a particular color is performed only when the developmentsection for that color is at the development position.The Bk toner

3. Then toner is supplied to the development section by the dual mixingroller.For Bk toner the process is as follows: 1. First, the development un

6.2.5 Development Roller Drive Because the development unit is a revolver unit, there is only onedevelopment motor [A], which drives the color develop

6.2.6 Development Bias The high voltage supply board [A] applies the development bias (ac and dc)to the development roller [B] that is currently in p

6.2.7 Toner Cartridge Detection This machine has two toner cartridge sensors to detect the presence of thetoner cartridges.(1) Bk Toner Cartridge Det

(2) Color Toner Cartridge Detection The color toner cartridge sensor [D] is located at the lower right side of thedevelopment unit. While the developm

6.2.9 Revolver PositioningThis section explains how the revolver moves the various color toners intoposition in the various modes. For a fuller explan

(2) In 2C Mode (R, G, and B) After the start key has been pressed, the machine moves the first colordevelopment section to the position for developmen

For Green, copying takes longer than for red or blue. This is because therevolver has to rotate 180 degrees to move the second color into position.Ton

6.2.2 Development Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-77 6.2.3 Toner Mixing . . . . . . . . . . . . .

(3) In 4C Mode (Full Color Mode) After the start key has been pressed, the development unit rotates the fourcolors into position in order. Each step i

(5) When there is a Toner End Condition When the machine detects a toner end condition, the machine positions theempty color cartridge to the replacem

7.TRANSFER BELT UNIT 7.1 OVERVIEWThis machine has a transfer belt. Each single color image developed on thedrum [A] is transferred separately to the t

7.2 LAYOUT 1. Belt Drive Roller2. Lubricant Brush3. Transfer Belt4. Cleaning Support Roller5. Paper Transfer Corona Unit6. Paper Transfer Support Rol

7.3 BELT TRANSFER7.3.1 Transfer Belt Drive The drum motor [A], which is a 24V dc brushless motor, drives the transferbelt (through the drive roller [B

1. 1C Mode (Bk, C, M, Y)Black 1. After the start key has been pressed, the drum motor starts, and thedrum and transfer belt turn continuously. The re

•Between colors, the revolver must rotate. When one of the developmentrollers is near the drum, especially while the revolver is locked into place,the

When copying on A4/Letter size sideways paper or shorter, there is enoughtime for the revolver to move the second color development section intopositi

5. Then the revolver must move the next color development section intoposition. For Green, the next color is Yellow, and the revolver has to turn180

6. SummaryThe following table shows the number of transfer belt rotations needed percopy for each of the various modes described above (except for OHP

8.2.6 Side Fence Double-stopper Mechanism . . . . . . . . . . . . . . . . . . . . . . . 2-118 8.3 BY-PASS FEED. . . . . . . . . . . . . . . . . . .

7.3.2 Transfer Belt Release Mechanism The transfer belt unit has a release lever at the front side of the drum. This isbecause the transfer belt unit

7.3.3 Belt Transfer Bias The belt transfer charge unit [A] is a corona unit at the reverse side of thetransfer belt. It attracts toner to the transfe

7.3.4 Belt Mark Detection The transfer belt H.P. sensor [A] aligns the position of the image on the beltfor each color. The use of this sensor allows

7.3.5 Transfer Belt Cleaning After the toner image on the transfer belt is transferred to the paper, thetoner remaining on the transfer belt is remov

7.3.6 Toner Collection In the transfer belt unit, the toner collection coil [A] at the front side of thetransfer belt unit transports the removed tone

7.3.7 Belt Lubricant Mechanism Toner filming on the belt will reduce the efficiency of toner separation fromthe belt. A small amount of lubricant is

7.3.8 PTL (Pre-transfer Lamp) When the belt transfer charge unit switches on, the transfer belt receives apositive charge. Because the drum has a nega

7.4 PAPER TRANSFER 7.4.1 Paper Transfer BiasThe paper transfer corona unit [A] transfers toner on the transfer belt to thepaper [B]. The machine con

NormalConditionHigh Temperature &High HumidityLow Temperature &Low HumidityMode 1C 2C 4C 1C 2C 4C 1C 2C 4CNormalPaperFrontLeadingedge200 300Im

7.4.2 Paper DischargeThe paper transfer unit has a discharge brush [F] (see illustration 7.4.1Paper Transfer Bin) which is grounded to the main frame.

11. SYSTEM CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . 2-141 11.1 BLOCK DIAGRAM. . . . . . . . . . . . . . . . . . . . . . .

8.PAPER FEED AND REGISTRATION 8.1 OVERVIEW 1. Paper Tray Size Switch (A166 only) 2. Tray Bottom Plate (A166 only) 3. Vertical Transport Switch 4.

8.2 PAPER TRAY MECHANISM (A166 COPIER ONLY) 8.2.1 Paper Feed Drive MechanismThis paper feed mechanism uses the corner separation system. The shapeof

The main motor [A] drives the paper feed rollers through the relay clutchgears, the timing belt [B], and the paper feed clutch [C].After the Start ke

8.2.2 Paper Lift Mechanism When the paper tray is closed, projection [A] on the tray pushes the releaselever [B], and the other projection [C] pushes

8.2.3 Paper End Detection The paper end feeler [A] is on the same shaft as the paper end actuator [B].When the tray runs out of paper, the paper end f

8.2.4 Paper Size Detection Actuated = 0Deactuated = 1 Paper size L: Lengthwise S: SidewaysA4/A3 Version LT/DLT Version01111 A

8.2.5 Vertical Transport Mechanism The vertical transport rollers [A] are driven by the main motor. The verticaltransport rollers, and the driven vert

8.2.6 Side Fence Double-stopper Mechanism In this machine, there is a side fence stopper mechanism for both the frontand rear side fences.If the tray

8.3 BY-PASS FEED8.3.1 By-pass Feed Table Mechanism The by-pass feed table switch [A] detects when the by-pass feed table isopened. Then the CPU turns

8.3.2 Paper Feed The by-pass feed table uses an FRR feed system. The feed and separationrollers are always in contact. They are driven by the main mot

8.2 INSTALLATION PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-54 9. OTHERS . . . . . . . . . . . . . . . . . .

8.3.4 By-pass Feed Paper Width Detection The by-pass paper width detection board [A] monitors the paper width. Therear side fence is connected to the

8.3.5 Pick-up Roller Pressure Mechanism This by-pass feed table uses a pick-up roller pressure mechanism, whichhas two pick-up solenoids. This system

8.4 REGISTRATION DRIVE MECHANISM Through the timing belt [A], rotation from the main motor [B] is transmitted tothe registration clutch [C]. When the

9.PAPER TRANSPORT AND IMAGE FUSING9.1 PAPER TRANSPORT UNIT 9.1.1 Drive MechanismThe paper transport, fusing, and paper exit mechanisms are driven by

9.2 FUSING UNIT OVERVIEW 1. Cleaning Blade 2. Cleaning Roller Oil Pan 3. Junction Gate Solenoid 4. Exit Roller 5. Junction Gate 6. Paper Exit D

9.3 FUSING UNIT9.3.1 Fusing Temperature Control There is a single fusing lamp in both the hot and pressure rollers (the hotroller lamp is 670W, and t

9.3.2 Fusing Pressure Mechanism The pressure roller [A] is pressed up against the hot roller [B] by a pressurebracket [C].The hot and pressure rollers

9.3.3 Oil Supply Mechanism Silicone oil is applied to the hot roller to help prevent toner and paper fromsticking to the hot roller, to reduce paper

9.3.4 Cleaning Mechanism The hot roller cleaning roller [A], which is always in contact with hot roller,collects toner and paper dust adhering to the

9.3.5 Fusing Drive Release Mechanism The fusing unit drive release mechanism automatically disengages thefusing unit drive gear [A] when the front doo

SERVICE MANUALA166/A187/A189RICOH GROUP COMPANIES®®®CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

2.1 USER PROGRAM MODE OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17 2.2 UP MODE TABLE . . . . . . . . . . . . . . . . . . .

9.4 JUNCTION GATE AND PAPER EXIT 9.4.1 Paper ExitAfter fusing, the exit roller supports the paper exiting. The exit roller improvespaper stacking.Det

9.4.2 Junction Gate Mechanism (A187/A189 copiers only) The junction gate [A] changes the direction of the paper coming out of thefusing unit to the

9.4.3 Paper Exit Door (A187/A189 copiers only) To remove misfed paper in the duplex unit easily, the paper exit door [A] ofthe duplex machine can be o

10.DUPLEX UNIT 10.1 OVERVIEWNOTE: A187/A189 only 1. End Fence 2. End Fence Jogger H.P. Sensor 3. Side Fence Jogger 4. Side Fence Jogger H.P. Sen

10.2 DUPLEX UNIT MECHANISMS (A187/A189 copiers only) 10.2.1 Drive MechanismAll rollers in the duplex tray are driven by the duplex feed motor [A] thro

10.2.2 Duplex Paper Path The duplex feed motor is a stepper motor. The direction that the motor turnsdepends on whether the duplex unit is stacking o

10.2.3 Duplex Entrance To Duplex Tray The duplex feed motor [A] starts turning after the leading edge of the paperactivates the fusing exit sensor.

10.2.4 Jogger Mechanism There are two motors for driving the fences. The side jogger fences aredriven by the side fence jogger motor [A]. The end jo

10.2.5 Paper Feed from the Duplex Tray While the first side is being copied, the duplex feed motor [A] is rotatingclockwise and the cam clutch gear [

10.2.6 Paper Feed System While paper is being stacked in the duplex tray, the paper flatteners [A]correct curl at the leading edge of the paper.After

2.4 LUBRICANT BAR REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12 2.5 CHARGE GRID AND CORONA WIRE REPLACEMENT . . .

11.SYSTEM CONFIGURATION 11.1 BLOCK DIAGRAMThis machine has three independent modules: Scanner Unit, Printer Unit, and System Control Unit.The SCU boar

11.2 COMMAND SEQUENCE The machine sends commands to control each module using an interfacebus. Each unit is connected with a daisy chain connection.11

11.2.2 Edit ModeThe process for copying is the same but the image data route for the displayeditor is different from normal copy mode. 1. The SCU det

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INSTALLATION PROCEDURECÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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1. INSTALLATION REQUIREMENTS 1.1 DIMENSIONS(1) Copier + Platen CoverBasic machine: 620 mm (W1) x 700 mm (D) x 632 mm (H1) Edit machine: 620 mm (W1) x

1.2 ENVIRONMENTTo ensure the optimum copy quality, the following environmentalrequirements need to be observed. When installing this copier at thecust

CAUTION 1. Do not install the machine in a very humid or dusty area. 2. Do not install the machine on a structurally weak or inclined floor. 3. Co

1.2.2 Minimum Space Requirements Provide clearance for the copier, as shown below. If one or more options(such as the ADF or Sorter Stapler) are adde

7.2.2 Belt Cleaning Solenoid Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . 5-54 7.2.3 Entrance Seal Replacement . . . . . . . .

1.2.3 Power RequirementsWARNING 1. Install the machine as close to the outlet as possible. Firmly plugin the machine after installation. 2. Avoid mu

2. COPIER INSTALLATION2.1 ACCESSORY CHECKCheck the quantity and condition of the accessories in the box with thefollowing list:Description Q’ty 1. Pa

2.2 COPIER INSTALLATION PROCEDURE NOTE: If the copier is to be installed onto a paper tray unit, follow the papertray unit install procedure prior

Installation Procedure of Language ROMNOTE:•The following procedure given by sub-steps numbered (1) through(6) are required only for A166-26,27, A187-

(5) -For A166-26,27, A187-26,27 copiers-Turn the operation panel [a] upside-down and install the desired languageROM [b] into the socket numbered IC40

4. A187 and A189 copiers only:Close the front cover and Pull out the duplex tray [A] , remove the stripsof tape, lift transport lever 21 and remove

6. Remove the chain [A] and two pins [B] (as shown in illustration above).Then remove the front cover. 7. Remove the transfer belt fan [C] (1 co

9. Remove the used toner tank [A] (1 connector and 1 plastic strip), whileturning up the opening [B] of the duct to prevent the scattering of toner

12. Remove the screws and connector as shown above (1 long screw, 1screw, 1 cable clamp, and 1 connector) and slowly pull out thedevelopment unit [A]

14. Remove the chain hook [A] from the development unit frame [B]. Thenattach the chain hook to the magnet catch [C]. NOTE: The purpose of attaching t

9.11 OIL PAN PADS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-84 9.12 FUSING ENTRANCE GUIDE ADJUST

16. Place the development unit on a clean sheet of paper as shown above(development unit placement position).NOTE: Be sure to use a clean sheet of p

20. Remove the following outer covers.(1) Right side front cover [A] (1 screw)(2) Right side cover [B] (open the by-pass feed table [C], then remove 4

22. Slide the developer supply funnel [A] from the developer collection bottle [B].23. Turn the development unit [C] to the developer installation p

26. Attach the development roller rotation handle [A] to the developmentroller gear [B].27. Pour one pack of developer [C] evenly (either black, cya

28. Rotate the development roller gear with the development roller rotation handle[A] until the developer is spread evenly on the development roller s

31. Raise the development unit to the development unit placement position. 32. Check that the entrance side seals [D] of the color’s development rolle

36. Remove the cleaning blade release wedge [A] of the transfer belt unitwhile pushing up the pressure release lever [B].37. Remove the transfer bel

43. Remove the transfer belt unit [A]. Then remove the paper and strip oftape [B] attached to the transfer belt. NOTE: 1) When removing the transfer

45. Remove the charge corona unit [A] (1 screw).46. Remove the following parts in the following order:➀ Drum stay screw [B]➁ ID sensor shield plate

49. Place the drum unit on a clean sheet of paper or floor mat, as shown above.Turn it over in the direction shown. Then remove the two screws [A] and

3. TROUBLESHOOTING FOR COUNTERS. . . . . . . . . . . . . . . . . . . 6-37 AUTO REVERSE DOCUMENT FEEDER A548 1. SPECIFICATIONS . . . . . . . . . . .

52. Reinstall the following parts using the reverse procedure of their removal:•Drum stay (Install in the following order, to avoid damaging the drums

56. Rotate the revolver, while moving the toner supply motor unit [A] slightly tothe right, until the development unit bend plate [B] aligns with the

58. Remove the chain hook [A] from the magnet catch [B], and hook it onthe frame [C] as shown. 59. Slowly insert the development unit completely into

62. Rotate the revolver until the Bk toner hopper [A] is positioned as shown.Remove the shutter [B] from the hopper. Shake the black toner cartridg

NOTE: The Y toner cartridge should be installed after the Bk cartridge.When the Bk toner cartridge is installed, the opening for the Y tonercartridge

68. Pull the fusing unit [A] halfway out. Remove the left fusing cover [B] andopen the oil tank cap [C]. 69. Pour in the silicone oil [D].NOTE: Never

72. Plug in the power cord and turn on the main switch. 73. A166 copier only: Select the paper size for the 1st tray by sliding the paper size slider

Result ?SP3-975(Displays the Result2)SP3-126(Forced Process ControlSelf Check)Wait 10minutes3Is this the thirdBad Result (80, 81,85, 90, 91, 92, 93,

NOTE: 1. The covers must be closed before turning on the main switchbecause the initial process control self check must be performed(this takes about

76. Check whether the copy image registration is within the specification ornot as shown in the following procedure.(1) Enter SP5-955 and select patt

7.5 VERTICAL REGISTRATION ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . 7-22 7.5.1 One Sided Thin Original Mode. . . . . . . . . . . .

77. Perform the ACC (Auto Color Calibration) procedure in section 5 of theservice manual.78. Input the current date and time with SP5-302-1.EXAMPLE: D

3. INSTALLATION PROCEDURE FLOWCHARTCAUTION:Refer to the copier installation procedure when performing the stepsshown below. Remove the inner cover.De

ADrum UnitRemovalDrum UnitReinstallationTransfer Belt UnitReinstallationDev. UnitReinstallationBToner CartridgeInstallation(Bk, C, M, Y)Outer Cover/

BCPouring in theFusing UnitSilicone OilInstall theARDF?Platen CoverInstallationA187 or A189Copier?Copier Paper TrayPaper SizeSelectionARDF Installati

NOYESSet the currentdate and timeCounter ResetUP3-3SP5-955:25Press the"ImageAdjustment"key 4 times.DeveloperAgitation for AllColorsInstall

4. PAPER TRAY UNIT (A549/A550)INSTALLATION4.1 ACCESSORY CHECKCheck the quantity and condition of the accessories in the box with thefollowing list: 1

4.2 INSTALLATION PROCEDURE CAUTIONUnplug the copier power cord before starting the following procedure.NOTE: Keep the shipping retainers after insta

3. Set the copier [B] on the paper tray unit [C]. Align the 2 pins [D] on thepaper tray unit with the holes in the base plate of the copier. 4.

4.3 TRAY HEATER (OPTION) 1. Remove the rear cover [A]. 2. Two-tray type: Remove the second paper tray [B] (4 screws) and thelower front cover [C]

5. ARDF (A548) INSTALLTION5.1 ACCESSORY CHECKCheck the quantity and condition of the accessories in the box with thefollowing list: 1. New Equipment

3. BASIC OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6 3.1 NORMAL MODE AND SORT/STACK MODE . . . . . . . . .

5.2 INSTALLATION PROCEDURE CAUTIONUnplug the copier before starting the following procedure. 1. Remove the strips of tape [A]. 2. Attach the spon

6. 10-BIN SORTER (A555) INSTALLATION6.1 ACCESSORY CHECKCheck the quantity and condition of the accessories in the box with thefollowing list: 1. Misf

6.2 INSTALLATION PROCEDURE CAUTIONUnplug the copier power cord before starting the following procedure. Do not lift the sorter stapler by holding th

3. Remove the cover caps [A] by carefully prying (or pulling) the caps fromthe cover . 4. Remove the mounting frame [B] from the sorter stapler

6. Install the sorter stapler [A] on the frame [1 M4 x 8 screw].NOTE: Do not lift the sorter stapler by holding the entrance guide [B]when instal

11. Open the front door [A] of the sorter stapler and swing out the staple unit [B] .12. Remove the green plastic clip [C] from the staple cartrid

7. FILM PROJECTOR TABLE (A579)INSTALLATION 1. Remove the following outer covers:(1) Upper right cover(2) Upper rear cover 2. Remove the two plastic

5. Reinstall the following outer covers:(1) Upper right cover(2) Upper rear cover 6. Mount the two cantilevers [F] and [G] into the openings [I]. 7

8. FILM PROJECTOR UNIT (A718)INSTALLATION8.1 ACCESSORY CHECKMake sure that each accessory listed in the following table is in the box. Alsocheck the c

8.2 INSTALLATION PROCEDURE CAUTIONUnplug the copier power cord before starting the following procedure.NOTE: The film projector table (A579) must be

APPENDIX 1. TIMING CHARTTiming Chart 1 Normal speed/Bk/A4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1Timing Chart 2 Nor

3. Set the four spacers [A] at the four corners (in the indents provided). 4. Place the projector unit [B] on the table by aligning the holes in t

5. Remove the lamp cover [A] (1 screw) and open the reflector cover [B]. Then,plug the projection lamp [C] into the socket. Close the reflector

8. Place the film position sheet [A] on the exposure glass, aligning it at therear left corner. 9. Place the mirror unit [B] on the exposure glass

10. Insert the film strip holder [A] into the film projector unit at the base filmsetting position.NOTE: Push the film strip holder gently to confirm

17. Adjust the angle [A] of the mirror unit as follows: 1) Turn on the copier main switch and wait for the ready condition. 2) Open the lens cov

8-2) When the trailing part of the image is dark (as shown in [A]).a) Move the front and rear arm guides [B] to the right so that themirror angle is

9. OTHERS9.1 KEY COUNTER9.1.1 Key Counter Installation 1. Remove the right front cover [A] (1 screw). 2. Cut the key counter cover [B] out of the ri

9.1.2 Setting up the SP Modes for the Key CounterSP5-113: Key Card/Coin Lock (Key Card /Key Counter/Coin LockSelection)This mode can be used to select

9.2 MOUNTING THE PACKING RETAINERS FOR MOVINGTHE COPIER Before re-transporting the copier after installation, reinstall the followingpacking retainer

3. Install the transfer belt release wedges [A] (1 screw for each). 4. Install the transfer belt retainer [B] (1 screw). 5. Install the revolve

IMPORTANT SAFETY NOTICESPREVENTION OF PHYSICAL INJURY 1. Before disassembling or assembling parts of the copier and peripherals,make sure that the co

SERVICE TABLESCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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1. SERVICE PROGRAM MODES1.1 SP TABLESee Appendix 2.1.2 SERVICE PROGRAM MODE OPERATIONThe service program (SP) mode is used to check electrical data, c

1.3 SP MODE ADDITIONAL NOTES1.3.1 SP 3-973 Process Control Interval Self Check 1. Up to 5000 copies after replacing the developer, do not change the

Code Paper Size Code Paper size45~127 Not Used 196 60 mm x 45 mm128 Detection Error 197 60 mm x 60 mm129 A0 Lengthwise 198 60 mm x 70 mm130 A1 Lengthw

1.3.5 SP5-802-4 System Free RunRunning Condition 1. Wait for the fusing unit to warm up. 2. The free run can be only performed:•With paper in the se

SP No.Display Sensor/Switch/SignalStatus1st 2nd 3rd 0 15 803 12 IN:Main Mtr Lck DetectMain MotorSyncronization SignalDetectionDetect(MotorRotation)Not

* SP5-803-2 (Paper Tray Size Check)Displays a code indicating paper size as follows:CodeDisplayedMetric machine Inch machine1 A3 11" x 17"3

1.3.7 SP5-804 Output CheckTo activate the electrical component, press the start key. To stop theelectrical component, press the clear modes key.NOTE:

SP No.Display Electrical Component/Mode1st 2nd 3rd5 804 29 OUT:Optics Cooling Fan 1 Optics Cooling Fan 15 804 30 OUT:Optics Cooling Fan 2 Optics Cooli

SAFETY AND ECOLOGICAL NOTES FOR DISPOSAL 1. Do not incinerate the toner bottle or the used toner. Toner dust may ignitesuddenly when exposed to ope

1.3.8 SP5-955 Printer Test Pattern0 No Pattern (normal operating mode)1 1 dot vertical line2 2 dot vertical line3 1 dot horizontal line4 2 dot horizon

1.3.11 SP6-107 Sorter Free Run0Stop1System free run 1 (2 sets for 2 bins andA4 sideways)2Continuous free run (for 2 bins and B5lengthwise)3System free

–* SP6-901-1 to 3– (Check Paper Size)Metric version Inch version1A3 A32B4 B43 A4 sideways A4 sideways4 A4 lengthwise A4 lengthwise5 B5 sideways –6 B5

– SP6-901-8 to 10 – Input Check Paper Tray UnitDisplayedNumberTray Upper LimitSensorTray Set Sensor0 OFF (blocked) OFF (Not set)4 OFF (blocked) ON (S

1.3.14 SP6-903 Sorter Input CheckSP No.Display Sensor/Switch /SignalStatus1st 2nd 3rd 0 16 903 1 IN:No(10)/Entrance(3) Not used – –6 903 2 IN:No(10)/1

1.3.16 SP7-507-1 Paper Jam (Last 10) SP7-507-1 displays information about the last paper jam. Pressing the "+"zoom key displays up to the la

[B]: Jam Paper SizeNo. Paper Size No. Paper Size00h No Paper 80h Cannot recognize the paper size.01h A0 Sideways 81h A0 Lengthwise02h A1 Sideways 82h

1.3.17 SP7-507-2 Original Jam (Last 10) SP7-507-2 displays information about the last original jam. Pressing the "+"zoom key displays up to

2. USER PROGRAM MODES2.1 USER PROGRAM MODE OPERATIONThe user program (UP) mode is used to change modes and adjust values.User Program Access Procedure

2.2 UP MODE TABLEUP-1 Default Image Settings No.:FunctionnameDescriptionChoices (range) andspecification method1: Defaultphoto type(Photomode)Changes

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TAB INDEXOVERALL MACHINE INFORMATION10-BIN SORTER STAPLER A555DETAILED SECTION DESCRIPTIONSFILM PROJECTOR UNIT A718INSTALLATION PROCEDUREAPPENDIX -

No.:FunctionnameDescriptionChoices (range) andspecification method6: Auto ColorSelectSensitivity(Auto colorselection)When in Auto Color Select mode, y

No.:FunctionnameDescriptionChoices (range) andspecification method4: AutoEmptyDuplexTrayWith the default setting, the first page of copieswill be deli

2: PaperTrayPriorityThis function selects the default paper tray. Thisfunction also changes the paper tray which isselected preferentially when the Au

No.:FunctionnameDescription Choices (range) and specification method3: PaperSizeSelectionSpecifies the size ofpaper set in the optionalpaper tray unit

No.:FunctionnameDescription Choices (range) and specification method5:Remarked paperSets the guidancedisplay to display thepaper type in each papertra

UP-4 Basic User Settings No.: FunctionnameDescriptionChoices (range) andspecification method1: Auto PaperSelectionSpecifies whether Auto Paper Select

UP-5 Operation Mode Settings No.:FunctionnameDescriptionChoices (range) andspecification method1: AutoResetChanges the time after which the copier res

UP-6 User Code Settings No.:FunctionnameDescriptionChoices (range) andspecification method1: UserCodeMode(Setaccount-ingmode)Specifies whether to mana

No.:FunctionnameDescriptionChoices (range) andspecification method3: InputUserCode(Usercode set)Registers user code numbers (6 digits or less). Enter

No.:FunctionnameDescriptionChoices (range) andspecification method7: PrintCounterYou can print the contents (number of copiesmade) of all user code co

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UP-7 ADF/Sorter Settings No.:FunctionnameDescriptionChoices (range) andspecification method1: Sorter:FullColorSortingYou can set the copier to disabl

3. TP/FUSE/LED/SW3.1 TEST POINTMain Control BoardNo. Signal DescriptionStand-by(V)NoteTP201 GND GroundTP202 SS_RXDReceived serial signalfrom the sorte

No. Signal DescriptionStand-by(V)NoteTP214 *INT_BLT Belt H.P. sensor output 0 to 5.0 VTP215 FB_DAC Not usedTP216 FB_DDCFeed back data from thehigh vol

No. Signal DescriptionStand-by(V)NoteTP241 MCLK Laser writing clock: Pixel 0 to 5.0 VTP242 DREQSSCSI controller: DMARequest0 to 5.0 VTP243 GND GroundT

I/O Board 1No. Signal DescriptionStand-by(V)NoteTP251 THTemperature sensoroutput1.0 to 4.0If maintaining 0 V or 5 V: NGTP252 RH Humidity sensor output

3.2 FUSE CONDITIONSAC Drive/DC Power Supply BoardFUSERatingFunction Condition220/240 V 115 VFU101 250 V, 6.3 A 125 V, 15 A AC IN LINE If defective, no

3.4 SWITCHESScanner IPUSimbol No. Function NoteSW1(All switches shouldbe always OFF.) SW1-1Scanner free run innormal speedON: PerformSW1-2Scanner Moto

4. REGULAR PM TABLERegular PM items: To be performed every 40,000 scans in accordance with the following table.NOTE: To wipe off toner, u

IntervalEMRegular PM (Scans)RemarksItem 40K 80K 120K 160K 200KTorque limiter RDRIVEMain motordrive unitLLLLLUse G40M.Drum motordrive unitL L Use

IntervalEMRegular PM (Scans)RemarksItem 40K 80K 120K 160K 200KDevelopmentroller side sealC C C C C Wipe with a dry cloth.Visually check. If crac

OVERALL MACHINE INFORMATIONCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

IntervalEMRegular PM (Scans)RemarksItem 40K 80K 120K 160K 200KDischargebrushI C C C C C Clean taking care not tobristle up the brush.Exit guide(

IntervalEMRegular PM (Scans)RemarksItem 40K 80K 120K 160K 200KOil supply pad R R R R ROil sump C Clean with a cloth and wipewith alcohol.Thermis

OPTIONAL EQUIPMENT CycleEM Regular PM RemarksItemARDF (A548) 80k 160k 240k (Number of originals)Transport belt C R R R Wipe with a damp clo

NOTE 1. When replacing the belt, clean each roller, the stays, and the beltH.P. sensor with alcohol. Also, clean the grounding brushes andthe belt ma

5. SP MODES USED AFTER REPLACEMENTAND CLEANINGThe following table shows the necessary SP modes, procedures and prioritywhen the listed items are repla

3) Check the amount of toner remaining before developeragitation. If there is insufficient toner, replace the tonercartridge to prevent an agitation

6. REGULAR PM PROCEDUREServiceTablesREGULAR PM PROCEDURESM 4-45 A166/A187/A189CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

· Replace the belt transfercorona wire.· Replace the papertransfer corona wire.· Replace the lubricant brush.· Replace the lubricant bar.80 k160 k80 k

ServiceTablesREGULAR PM PROCEDURESM 4-47 A166/A187/A189CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

· Replace the separationroller.· Replace the feed roller.· Inspect the stack mylar.80 k80 k· Replace the hot roller shaft bearing.· Replace the pressu

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Make a copy to checkthe copy qualityCheck the countersCheck the power cordconnectionRear of the machine1. Lubricate the main drive unit (G40M).2. Lubr

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REPLACEMENT ANDADJUSTMENT CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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1. EXTERIOR1.1 PLATEN COVER 1. Remove the screws [A]. 2. Slide the platen cover [B] to the right to unlock it. While lifting the hook [C]up, lift t

1.3 REAR COVER 1. Remove the rear cover [A] (4 screws).1.4 EXPOSURE GLASS 1. Remove the left scale [B] (2 screws). 2. Remove the rear scale [C] (

1.5 UPPER COVERS 1. Remove the right upper bracket [A] (1 screw). 2. Remove the left upper bracket [B] (1 screw). 3. Remove the front upper cover

1.6 OPERATION PANELFirst, remove the Upper Covers (see procedure 1.5, steps 1-3).1.6.1 A166/A187 Copiers 1. Loosen the screws [A]. 2. Remove the Op

1.7 RIGHT COVERS 1. Remove the right rear cover [A] (2 screws). 2. Open the bypass tray [B]. 3. Remove the right front cover [C] (1 screw and 2 ho

1.9 INNER COVERS 1. While lifting up the hook, remove the inner cover [A] (2 screws, 1 hook). 2. Remove the counter cover [B] (2 screws). 3. Remov

1.SPECIFICATIONS 1.1 MACHINE CONFIGURATIONAficio color (Basic Machine) Edit Machine2003 (A166) 2103 (A187) 2203 (A189)Operation Panel 20-digit 2-line

1.11 LIFTING THE SCANNER UNITCAUTIONBefore beginning this installation procedure, be sure to remove theARDF. If the scanner unit is opened with the AR

2. DRUM UNIT NOTE: Place a mat on the floor to keep the floor clean before performingthis procedure.2.1 DRUM REPLACEMENT 1. Remove the drum unit [A]

5. Apply setting powder to the entire drum surface [D].NOTE: Be sure to apply the setting powder over the entire drum. Thisprevents the cleaning bl

2.2 CLEANING BLADE REPLACEMENT 1. Remove the drum unit and place it in the work area (see procedure 2.1). 2. Remove the cleaning unit [A] (2 screw

2.3 CLEANING BRUSH REPLACEMENT 1. Remove the drum unit and place it in the work area (see procedure 2.1). 2. Remove the cleaning unit (see procedur

2.4 LUBRICANT BAR REPLACEMENT 1. Remove the drum and cleaning units (see procedures 2.1 and 2.2). 2. Remove the cleaning blade from the cleaning u

2.5 CHARGE GRID AND CORONA WIRE REPLACEMENT 1. Remove the front and inner covers, (see procedures 1.2 and 1.9). 2. Remove the charge corona unit [

3. SCANNER UNIT3.1 SCANNER UNIT REMOVALCAUTIONBefore beginning this installation procedure, be sure to remove theARDF. If the scanner unit is opened w

3.2 HALOGEN LAMP REPLACEMENT 1. Remove the exposure glass (see procedure 1.4). 2. Position the 1st scanner into the slot on the frame. 3. Push th

3.3 SCANNER INNER COVER REMOVAL 1. Remove the exposure glass (see procedure 1.4). 2. Remove the front cover and the upper right cover [A] (see pro

1.2 GENERAL SPECIFICATIONSConfiguration: Desk TopCopy Process: Dry Electrostatic Transfer SystemResolutions: 400 dpiGradations: 256 gradationsOriginal

3.5 SCANNER IPU BOARD REPLACEMENT 1. Remove the exposure glass (see procedure 1.4). 2. Remove the scanner inner cover (see procedure 3.2). 3. Remo

3.6 SCANNER HOME POSITION SENSOR REPLACEMENT 1. Remove the left upper bracket [A] on the left of the operation panel (1screw). 2. Disconnect the HP

3.7 SCANNER WIRE REPLACEMENT 1. Remove the exposure glass and exterior covers (see procedures 1.1through 1.9). 2. Remove the upper right stay [A]

5. Remove the scanner unit lift sensor bracket [A] (1 screw, 1 connector). 6. Remove the lamp regulator PCB [B] (2 screws, 3 connectors). 7. Rem

11. In the 1st scanner, loosen the screw [A] of both wire clamps. (Only thefront scanner wire is shown above.)12. Route the new scanner wire:The scann

13. Pull the wire taut with the wire tension spring [A] and attach the wiretension bracket [B] (1 screw).14. Reinstall the frames and upper stays by

3.8 IDU (IMAGE DISCRIMINATE UNIT) REPLACEMENT 1. Remove the exposure glass (see procedure 1.4). 2. Remove the scanner inner cover (see procedure 3.

4. COPY IMAGE ADJUSTMENT4.1PRINTER γ ADJUSTMENT4.1.1 Auto Color Calibration (ACC) NOTE: When performing the ACC procedure, one of the following sizes

7. "Auto Color Calibrator/Completed" is displayed on the LCD if the ACCwas completed successfully.NOTE 1. If the ACC was not completed s

K(Bk) C M YGlossy photomode (GP)Low IDMiddle IDHigh IDID Max4-919-14-919-24-919-34-919-44-920-14-920-24-920-34-920-44-921-14-921-24-921-34-921-44-922-

Copying Speed:81/2" x 11" (S) /A4 11" x 17"/A3Normal ModeFull Color (4 scans) 3 cpm 1.5 cpmSingle Color (C, M Y, K) 21 cpm 11 cp

5. Copy the C-4 chart in photo mode (with Bk and white mode for Bkadjustment and full color mode for C, M and Y adjustment). 6. Open the appropriat

4.2 MAIN SCAN POSITION DOT CORRECTIONNOTE: Before adjusting the scanner, perform the printer registrationadjustment (see procedure 8.11). 1. Enter th

6. Change the values in accordance with the following tables.Condition Sub condition Location of new valueThe yellow lineis to the left ofthe black

Example: 1. The C-4 chart’s vertical lines do not overlap properly. On theright side of the chart, the yellow line is to the left of the blackline a

5. LASER UNITDANGERTurn off the main switch and unplug the machine before attemptingany of the procedures in this section. Laser beams can seriouslyda

DANGERBe sure to turn the main switch off and disconnect the power plugbefore any disassembly or adjustment of the laser unit. This copieruses a class

8. Carefully pull the harness [A] so as to provide slack while opening theprinter control box [B] as shown (1 screw). Set the printer control boxs

5.2 LASER SYNCHRONIZING DETECTOR BOARDREPLACEMENT 1. Open the front cover and remove the inner cover (see procedure 1.9). 2. Remove the toner shie

5.3 LD UNIT REPLACEMENT 1. Remove the inner cover (see procedure 1.9) 2. Remove the used toner tank (see procedure 1.10) 3. Remove the development

6. DEVELOPMENT UNIT6.1 DEVELOPER6.1.1 Developer Collection 1. Remove the following outer covers.(1) Right front cover [A] (1 screw)(2) Right cover

Duplexing: Basic Manual Duplex Model (A166):Manual Duplexing in full color and SingleColor mode Basic Auto Duplex Model (A187):Manual & Auto D

4. Attach the handle [A] to the development unit [B] (follow the stepsnumbered ➀ through ➂ above).CAUTIONWhen the handle is pulled (step ➂), ensur

6. Remove the chain hook [A] from the frame [B]. Then attach the chainhook to the magnet catch [C].NOTE: The aim of attaching the chain hook to th

8. Place the development unit on a clean sheet of paper as shown above(development unit placement position)NOTE: Be sure to use a clean sheet of p

11. Remove the developer cover [A].12. Attach the developer collection bottle/supply funnel ass’y [B] to thedevelopment unit using the screw [C] (M4

13. Place the development unit in the development unit placementposition, as shown.14. Release the development revolver stay [A] and turn the revolv

16. Do the following a few times to get the developer out of the unit.Rotate the development roller gear with the development roller rotationhandle.

17. Place the development unit in the development unit installationposition and check the amount of used developer [A] in the developercollection bo

21. Remove the developer supply funnel [A] and mount the developer cover(1 screw).NOTE: 1. Before reinstalling the developer cover, clean any deve

4. Hold the developer cover in position when tightening thescrew. This is to prevent the screw holes from misaligning.5. Never overtighten the screw [

24. Hold the development unit as shown above. Align the guide [A] with theguide rail [B]. Then insert the development unit halfway.NOTE: Never hold

Toner Replenishment: Black:Toner Addition (300 g/cartridge)Color (Y, M, C):Toner Addition (100 g/cartridge)Toner Type E for C, M, Y; Ex for BKCyan - E

26. Remove the chain hook [A] from the magnet catch [B], and hook it on theframe [C], as shown.27. Slowly insert the development unit completely int

6.2 PROCESS CONTROL SELF-CHECKAfter replacing developer, the development unit (containing new black, cyan,magenta and yellow developers) or the photoc

6.3 REVOLVER MOTOR REPLACEMENT 1. Remove the rear cover. 2. Disconnect the connector No. 307 [A] from I/O control board 2 [B]. 3. Remove I/O contr

6.4 DEVELOPMENT MOTOR REPLACEMENT 1. Remove the rear cover. 2. Remove the flywheel [A] (1 screw). 3. Disconnect the connector CN1 from the develop

7. TRANSFER BELT UNIT 7.1 TRANSFER BELT SECTION7.1.1 Transfer Belt 1. Remove the transfer belt unit (see section 3. INSTALLATION PROCEDURE). 2. Re

6. Replace the transfer belt and reset the transfer belt bracket.NOTE: 1) When installing a new transfer belt, make sure that white mark[A] on t

7.2 CLEANING UNITNOTE: Be careful not to dirty the customer’s site. Place a floor mat or otherprotective sheet on the floor before removing the cleani

7.2.2 Belt Cleaning Solenoid Replacement 1. Remove the cleaning unit bottom cover [A] (6 latches). 2. Remove the spring [B] (1 spring). 3. Remove

7.2.3 Entrance Seal Replacement 1. Remove the rear gear from the cleaning unit [A] (1 snap-ring). 2. Remove the rear plastic side plate [B] (2 scre

7.3 BELT TRANSFER CORONA WIRE 1. Remove the corona unit from the transfer belt unit (see section 3.COPIER INSTALLATION PROCEDURE). 2. Remove the fr

1.3 DETECTABLE ORIGINAL SIZE BY PLATEN/ARDFSize (width x length)[mm]Platen ARDFInch version Metric version Inch version Metric versionA3 (297 x 420)L

7.4 LUBRICANT UNIT7.4.1 Lubricant Brush and Bar Replacement 1. Remove the bracket [A] (1 spring and 1 screw). 2. Remove the lubricant unit [B]. 3

7.4.2 Lubricant Solenoid Replacement 1. Remove the right front cover and the right cover (see procedure 1.7). 2. Remove the lubricant solenoid bra

7.5 PAPER TRANSFER CORONA WIRE 1. Remove the paper transfer corona unit (see section 3. COPIERINSTALLATION PROCEDURE). 2. Remove the end blocks [

8. PAPER FEED AND REGISTRATION8.1 BY-PASS FEED TABLE REMOVAL 1. Open the by-pass feed table [A]. 2. Disconnect the connector [B]. 3. Remove the

8.2 BY-PASS FEED ROLLER, PICK-UP ROLLER, ANDSEPARATION ROLLER REPLACEMENT 1. Remove the by-pass feed table (see procedure 8.1). 2. Open the vertica

8.3 BY-PASS FEED UNIT REPLACEMENT 1. Remove the right cover, the right rear cover, and the right front cover (seeprocedure 1.7). 2. Remove the by-p

8.4 BY-PASS FEED PICK-UP SOLENOIDS AND END SENSORREPLACEMENT 1. Remove the by-pass feed unit. (see procedure 8.3.) 2. Remove the upper part of the

8.5 BY-PASS FEED PAPER SIZE SENSOR REPLACEMENT 1. Remove the by-pass feed table (see procedure 8.1). 2. Remove the by-pass feed table base [A] (2

8.6 REGISTRATION SENSOR REPLACEMENT 1. Remove the right front cover and the right cover (see procedure 1.7). 2. Remove the developer collection bot

8.7 PAPER FEED TRAY REMOVAL 1. Open the paper feed tray [A] 2. Lift and remove the paper feed tray (2 screws).[A]PAPER FEED AND REGISTRATIONA166/A1

A166/A187/A189SERVICE MANUALPN: RCSM2003CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

1.4 COPY PAPER SIZESize (width x length)[mm]Trays in the main body BypassOptionalS.StaplerPaper Tray Duplex TrayInchversionMetricversionInchversionMet

8.8 PAPER FEED ROLLER (SEMICIRCULAR ROLLER)REPLACEMENT 1. Remove the front cover, the inner cover, and the used toner tank (seeprocedures 1.2, 1.9 a

8.9 PAPER FEED CLUTCH REPLACEMENT 1. Remove the rear cover (see procedure 1.3). 2. Swing out the I/O control board [A] (4 screws). 3. Remove the r

8.10 VERTICAL TRANSPORT SWITCH AND SENSORREPLACEMENT 1. Open the vertical transport door [A]. 2. Remove the vertical transport cover [B] (2 screws

8.11 COPY IMAGE AREA ADJUSTMENTThe leading edge margin can be adjusted for both normal paper andOHP/thick paper. This can be done in the SP mode for b

Standard margins Required registration patternadjustment rangeLeading edge margin5 ± 2 mm a must be 10 ± 2 mmRight and left edge margins2 ± 2 mm (Tot

9. PAPER TRANSPORT AND FUSING 9.1 TRANSPORT UNIT REMOVAL 1. Remove the transfer belt unit (see procedure 7.1). 2. Remove the fusing unit (see proced

9.2 TRANSPORT BELT REMOVAL 1. Remove the transport unit (see procedure 9.1). 2. Remove the transport assembly [A] (2 screws). 3. Remove the transp

9.3 FUSING UNIT REMOVAL CAUTION1. Be careful when handling the fusing unit. It is hot.2. Take care not to spill silicone oil on the floor. If silicone

9.4 OIL SUPPLY PAD REPLACEMENT 1. Remove the fusing unit (see procedure 9.3) 2. Remove the fusing unit top cover [A] (1 screw). 3. Remove and repl

9.5 HOT ROLLER, PRESSURE ROLLER, AND FUSING LAMPREPLACEMENT 1. Remove the fusing unit (see procedure 9.3.). 2. Remove the fusing unit top cover (se

1.5 PAPER SIZES AVAILABLE WITH APS – For metric machines –200~174173~164163~142141~123122~116115~101100 ~ 9493 ~ 8887 ~ 8382 ~ 7675 ~ 7271 ~ 6665 ~ 62

11. Disconnect the fusing thermofuse connector [A].12. Disconnect the fusing thermistor connector [B].13. Disconnect the connector [C] at the rear o

17. Disconnect the fusing lamp connector [A] from the rear lamp holder [B]and remove the fusing lamp [C] from the rear.18. Replace the hot roller [D]

19. Open the paper it door [A].20. Remove the fusing entrance guide plate [B] (2 screws).NOTE: Be sure to use the upper screw holes when reinstalling

22. Remove the lower plate [A] (2 screws).23. Remove the pressure roller thermofuse [B] (1 screw).24. Remove the two pressure blade springs [C].25. R

9.6 HOT ROLLER THERMISTOR REPLACEMENT 1. Remove the fusing unit upper assembly (see procedure 9.5). 2. Remove and replace the thermistor [A] as sho

9.8 PRESSURE ROLLER THERMISTOR REPLACEMENT 1. Remove the fusing unit (see procedure 9.3). 2. Remove the paper exit door [A] (1 snap-ring). 3. Repl

9.10 CLEANING ROLLER OIL PAN AND SCRAPER 1. Remove the fusing unit (see procedure 9.3). 2. Remove the paper exit door (see procedure 9.8). 3. Remo

9.11 OIL PAN PADS 1. Remove the hot roller, the pressure roller, and the pressure rollercleaning blade assembly. (see procedure 9.5.) 2. Replace t

9.12 FUSING ENTRANCE GUIDE ADJUSTMENT •The height of the fusing entrance can be adjusted to correct for wrinklingon special paper types or jams when

9.13 NIP BAND WIDTH ADJUSTMENT 9.13.1 ProcedureNOTE: 1) Check and adjust the nip band width only after the copier haswarmed up. 2) Place an OHP she

NOTE:1) The tables show which copy paper size is selected for eachoriginal size for zoom ratios from 50 to 200 %.2) When a zoom ratio is specified, AP

9.13.2 Troubleshooting1. When the paper is wrinkledAdjust the pressure roller screw to set the nip band width close to the upperlimit of the standard

10. DUPLEX UNIT 10.1 DUPLEX UNIT REMOVAL 1. Open the duplex unit [A]. 2. Remove the duplex unit (4 screws).10.2 SEPARATION ROLLER REPLACEMENT 1. R

10.3 FEED ROLLER REPLACEMENT 1. Open the duplex unit. 2. Remove the guide rail [A] (1 screw and 1 snap-ring). 3. Remove the upper guide plate [B]

10.4 DUPLEX FEED MOTOR REPLACEMENT 1. Perform steps 1 through 4 in procedure 10.3. 2. Remove the bracket [A] (1 screw). 3. Remove the feed roller

6. Disconnect the connector [A] of the dupl feed motor [B]. 7. Close the side fences [C] and remove the dupl feed assembly [D] (5screws). 8. Rem

11. FILTERS11.1 OPTICS FAN FILTER REPLACEMENT 1. Remove the filter cover [A] on the left side of the copier (2 screws). 2. Remove and replace the d

11.3 FUSING FILTER REPLACEMENT 1. Remove the rear cover (see procedure 1.3). 2. Replace the dust filter [A].11.4 CHARGE INLET FILTER REPLACEMENT

11.5 REAR OZONE FILTER REPLACEMENT 1. Remove the rear cover (see procedure 1.3). 2. Replace the ozone filter [A].11.6 FRONT OZONE FILTER REPLACEMEN

11.7 PAPER EXIT OZONE FILTER REPLACEMENT 1. Remove the left front cover (see procedure 1.8). 2. Replace the ozone filter [A].11.8 POWER SUPPLY OZON

12. OTHERS12.1 SCU12.1.1 SCU Replacement1. A166/A187 Copiers Only 1. Remove the operation panel [A] (see procedure 1.6 ). 2. Remove the RAM board [

1.7 POWER CONSUMPTION(1) Maximum power consumption1.5 kVA(2) Average power consumptionA189 CopierA189 Copier +DJF + SorterStandby0.25 kW 0.5 kWWarm-up

2. A189 Copier Only 1. Open the scanner unit [A] (see procedure 1.11). 2. Remove the RAM board [C] from the SCU [B] (1 screw). 3. Remove the SCU (

12.2 RAM CLEAR12.2.1 RAM (Memory Board) Clear Procedure 1. Before clearing the RAM, execute SP7-902 and SP7-903 to output thecurrent SP mode values.N

1. Relationship between Main and Backup Counters The following describe the main and backup counters: 1. The main counter is an LCD counter. It can

6. When SC900 is displayed it indicates a problem with the main counter. Ifthis occurs, do the following:•Check the connection of the main counter c

12.4 TOUCH PANEL CALIBRATION A189 Copier OnlyAfter replacing the operation panel, the touch panel must be calibrated asfollows: 1. Enter SP5-901 &quo

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TROUBLESHOOTINGCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

1. SERVICE CALL CONDITIONSThis copier provides the following five types of service call (SC) conditionsthat help minimize the possibility of system do

SC101: Lamp failure (broken or persistently on)Type: 3- Description -When the lamp regulator detects that the exposure lamp is not turnedon or is not

2.MACHINE CONFIGURATION 2.1 COPY PROCESSES AROUND THE DRUM AND BELT 1. Drum ChargeIn the dark, the charge corona unit gives a negative charge to theo

SC121: Scanner HP sensor abnormal - Stays on Type: 3- Description -The scanner IPU board notifies the SCU when the home sensor doesnot go on even thou

SC171: VPU abnormal 2Type: 3- Description -The scanner IPU board notifies the SCU when feedback data for thewhite level is not in the proper range at

SC192: Bar code number mismatchType: 2- Description -The SCU compares the bar code data read by the CCD and analyzedby the scanner IPU board with the

SC197: Extended IPU connection abnormal (A189 machine only)Type: 4- Description -The SCU detects when the extended IPU is not connected.- Detection Ti

SC322: Laser synchronizing signal errorType: 5- Description -The main control board notifies the SCU when image transfer isaborted and the image trans

SC341: Development motor abnormalType: 2- Description -The main control board notifies the SCU when the development motordoes not start up within a pr

SC362: Revolver HP sensor abnormal - Stays onType: 2- Description -The main control board notifies the SCU when the revolver homesensor does not go of

SC382: VD adjustment error (charging failure - the target is not reachedwithin 40 trials)Type: 5- Description -The main control board notifies the SCU

SC384: LD writing error (the response from the 12th grade of the patternis out of range)Type: 5- Description -The main control board notifies the SCU

SC386: Vmin abnormalType: 5- Description -The main control board notifies the SCU when Vmin for black is out ofrange (between 0.01 V and 0.20 V) and V

4. DevelopmentThe negatively charged toner is attracted to the latent image on the drumsurface. Toner particles are electrostatically attracted to t

SC400: Belt transfer charge abnormalType: 2- Description -The main control board notifies the SCU that the belt transfer chargeoutput from the high vo

SC450: Paper transfer charge abnormalType: 2- Description -The main control board notifies the SCU that the paper transfer chargeoutput value from the

SC495: Thermo sensor abnormalType: 5- Description -The voltage read by the thermosensor on I/O control board 1 is out ofthe specified range (between 0

SC502: Tray upper limit sensor disabled (2nd bank)Type: 4- Description -The paper tray unit diagnostics notify the main control board when the2nd bank

SC523: Side fence jogger H.P. abnormal - Stays onType: 4- Description -The main control board notifies the SCU when the jogger H.P. sensordoes not go

SC541: Fusing (hot roller) thermistor openType: 1- Description -When the fusing (hot roller) thermistor outputs an analog valuecorresponding to 0°C, t

SC544: Fusing (hot roller) low temperatureType: 1- Description -The main control board notifies the SCU when the fusing (hot roller)thermistor outputs

SC551: Pressure roller thermistor openType: 1- Description -When the pressure roller thermistor outputs an analog valuecorresponding to 0°C, the main

SC554: Pressure roller low temperatureType: 1- Description -The main control board notifies the SCU when the pressure rollerthermistor outputs an anal

SC558: Zero cross signal abnormalType: 1- Description -The main control board notifies the SCU when the number of zerocross signals generated within a

3.MAJOR UNIT OVERVIEW 1025, 6789431OverallMachineInformationMAJOR UNIT OVERVIEW SM 1-13 A166/A187/A189CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

SC603: Communication error between SCU and printer main controlboardType: 3- Description -The SCU detects a communication error in the printer module

SC606: Printer SCSI communication errorType: 2- Description -The main control board detects an error or hardware-related noiseduring communication bet

SC620: Communication error between scanner and ADFType: 4- Description -When the scanner IPU board detects a communication error in theADF during comm

SC625: Communication error between scanner and projectorType: 4- Description -When the scanner IPU board detects a communication error in theprojector

SC720: Sorter transport motor abnormalType: 2- Description -The sorter diagnostics notify the main control board of an anomaly withthe sorter transpor

SC724: Sorter grip motor abnormalType: 2- Description -The sorter diagnostics notify the main control board of an anomaly withthe sorter grip motor. T

SC732: Lift motor abnormalType: 2- Description -The sorter diagnostics notify the main control board of an anomaly withthe sorter lift motor. Then the

SC791: Projector lamp does not go offType: 4- Description -The projector diagnostics notify the scanner IPU board when theprojector lamp does not go o

SC901: Inconsistent main counter and backup counterType: 2- Description -This SC is displayed when the difference between the main andbackup counter v

SC920: SCU/RAM board abnormalType: 2- Description -The SCU executes the read/write test for the RAM board on the SCUand the read/write operation is no

1. Copier1. Dimensions (W x D x H): Basic machine - 620 x 700 x 632 mm [24.4"x27.6"x25.2"] (with papertray unit: 620 x 700 x 1010) [24

SC990: I/O control board 1 abnormalType: 2- Description -This SC is displayed when a serial/parallel I/O error is detected in theI/O control board 1 f

2. HOW TO DETERMINE IF THE POTENTIALSENSOR OR ID SENSOR IS DEFECTIVEPurposeWhen an image problem occurs, it is difficult to recognize whether there is

ProcedureCAUTIONBefore checking the resistance or potential of the sensors, make sureto unplug the power cord.1-1. Measure the resistance between the

2-1. Potential sensor/ID sensor check Using a digital oscilloscope, check the waveforms at the following terminals.If the waveforms are flat, the se

3. TROUBLESHOOTING FOR COUNTERS Check the backup counter valuesSP7-3-1 Bk counterSP7-3-2 Full Color countervalue BCompare the main andbackup counterr

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

AUTO REVERSEDOCUMENT FEEDERA548CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

1. SPECIFICATIONSOriginal Size and Weight: Thick original mode (default mode)Use this setting for normal paper typesMaximum A3, 11" x 17"Min

2. COMPONENT LAYOUT2.1 MECHANICAL COMPONENTS 2111097654318 1. Original Stopper 2. Press Lever 3. Original Table 4. Exit Rollers 5. Inverter Pawl

6. Toner and Developer1. Color toner: Type E2. Black toner: Type EX 3. Developer: Type F 7. Paper Feed and Transport1. Paper Tray Unit (A166 copier o

2.2 ELECTRICAL COMPONENTS 17131415161211109765432181. Original Set Sensor2. Feed-in Cover Open Sensor3. Stopper Solenoid4. Indicator Panel Lamps5. Fe

3. ELECTRICAL COMPONENT DESCRIPTIONSymbol Name Function Index No.MotorsM1 Feed-inDrives the feed-in system (pick-up, feedand pull-out rollers, separat

4. DETAILED DESCRIPTIONS4.1 ORIGINAL PICK-UP MECHANISM When an original is placed on the table, the leading edge is stopped by thestopper [A], and the

4.2 SEPARATION AND PAPER FEED MECHANISM Originals are separated using the friction belt [A] and the feed roller [B].When the copier sends a signal to

4.3 FRICTION BELT DRIVE MECHANISM The feed-in motor [A] drives the friction belt [B] through timing belts andgears. The one-way bearing allows the bel

4.4 ORIGINAL SIZE DETECTION The DF detects original width using three original width sensors-1 [A], -2 [B]and -3 [C]. It also detects the original len

4.5 PAPER TRANSPORT MECHANISM The transport belt [A] is driven by an independent motor called the belt drivemotor [B] (a dc stepper motor). The belt

4.6 THICK/THIN ORIGINAL MODES This document feeder has two different ways of stopping originals at thecorrect position on the exposure glass. The tech

4.7 ORIGINAL FEED-OUT MECHANISM When the scanner reaches the return position, the copier’s CPU sends thefeed-out signal to the DF CPU. When the DF re

4.8 TWO-SIDED ORIGINAL FEED MECHANISM Unlike one-sided original feed, the back side of the original must be copiedfirst to keep the originals and copi

4.PARTS LAYOUT4.1 MECHANICAL COMPONENT LAYOUT 5 643212625242322212019181716151413121110987 1. Paper Tray (A166)Duplex Tray(A187/189) 2. Pressure R

5. TIMING CHARTS5.1 A4 SIDEWAYS: 1 SIDED ORIGINAL ARDFDF61 (A548)TIMING CHARTSSM 7-13 A166/A187/A189CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

5.2 COMBINE 2 ORIGINAL MODE TIMING CHARTSA166/A187/A189 7-14 SMCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

5.3 A4 SIDEWAYS: DUPLEX ARDFDF61 (A548)TIMING CHARTSSM 7-15 A166/A187/A189CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

6. SERVICE TABLES6.1 DIP SWITCHESDPS 101Function12340 0 0 0 Normal setting1 0 0 0 One-sided thin original mode free run with paper (35 cpm)0100One-sid

6.2 VARIABLE RESISTORSVR No. Function101Adjusts the lead-edge registration in one-sidedthin original mode.102Adjusts the lead-edge registration in two

7. REPLACEMENT AND ADJUSTMENT7.1 TRANSPORT BELT REPLACEMENT 1. Turn off the main switch and lift up the DF. 2. Remove the grip [A] (3 screws). 3

7.2 FEED ROLLER REPLACEMENT 1. Turn off the main switch and open the feed-in cover [A]. 2. Remove the feed roller assembly [B] by pulling it toward

7.3 FRICTION BELT REPLACEMENT 1. Turn off the main switch and open the feed-in cover [A]. 2. Gently pull up the friction belt assembly [B] and rem

7.4 ORIGINAL SET AND ORIGINAL WIDTH SENSORREPLACEMENT 1. Turn off the main switch. 2. Remove the upper cover [A] (7 screws). 3. Remove the pick-u

7.5 VERTICAL REGISTRATION ADJUSTMENT7.5.1 One Sided Thin Original ModeNote:•After replacing the DF main board, always do the Rough Adjustmentusing VR1

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

4.2 PCB (A166/A187 COPIERS) 156124516171413121110987318 1. RAM Board 2. SCU Board 3. AC Drive/DC PowerSupply Board 4. Operation Panel 5. Scanner

7.5.2 Two Sided Original Mode Note:•After replacing the DF main board, always do the Rough Adjustmentusing VR102 first. Then do the Fine Adjustment pr

7.6 SIDE-TO-SIDE REGISTRATION (DF POSITIONING)ADJUSTMENT Note:•First, adjust the DF side-to-side registration using the copier SP mode forthis (see Re

PAPER TRAY UNITA549/550CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

1. SPECIFICATIONSConfiguration: Two-tray table or three-tray tableCopy Paper Size: Maximum A3/11" X 17"Minimum B5/81/2" X 51/2"Cop

2. COMPONENT LAYOUT2.1 MECHANICAL COMPONENT LAYOUT 1. Paper Tray 1 2. Pick-up Roller 3. Paper Feed Roller 4. Relay Rollers 5. Reverse Roller 6. L

2.2 DRIVE LAYOUT 1. Vertical Transport Roller Gears 2. Paper Feed Clutch 1 3. Paper Feed Clutch 2 4. Separation Roller Gears 5. Paper Feed Clutc

2.3 ELECTRICAL COMPONENT DESCRIPTIONRefer to the electrical component layout on the reverse side of the Point toPoint Diagram (on the large sized shee

3. OVERVIEW There are two versions of this paper tray unit: the two-tray and three-trayversions. Each paper tray [A] is a drawer type that can hold up

4. DRIVE MECHANISM All the tray rollers are driven by the main motor [A] via timing belts, clutchesand a train of gears.Drive is transmitted to the ti

4.3 PCB (A189 COPIER) 202321221919. SCU Board20. Operation Panel21. Extended IPU Board22. Duplex Control Board23. RAM BoardPARTS LAYOUTA166/A187/A189

5. PAPER FEED AND MISFEED DETECTIONTIMING J1 and J2: Checks whether the sensor is activated within 500 ms after the designated time for thes

6. SERVICE TABLES6.1 DIP SWITCHESDIP SW 101 (Free Run Mode)12345678 FunctionOff On Off On Off Off Off Off Standard Factory Setting, A550Off On Off On

Free Run Mode 1The paper feed operation performs up to 20 times for each paper feed station.Free Run Mode 2The paper feed operation runs for all paper

7. REPLACEMENT AND ADJUSTMENT7.1 EXTERIOR COVER REMOVAL Rear Cover [A]: (2 screws)Front Lower Cover [B]: [Two-tray type only] 1. Slide out the cassett

7.2 PAPER FEED CLUTCH REPLACEMENT 1. Remove the rear cover (see Exterior Cover Removal).2. Remove the timing belt [A].3. Remove the drive unit [B] (2

7.3 PAPER FEED UNIT REPLACEMENT 1. Remove the paper feed clutch (see Paper Feed Clutch Replacement). 2. Remove the paper feed roller gear [A]. 3.

7.4 FEED ROLLER, PICK-UP ROLLER, AND REVERSEROLLER REPLACEMENT 1. Remove the paper feed tray [A] (4 screws). 2. Remove the feed roller [B], pick-up

7.5 RELAY SENSOR REPLACEMENT 1. Remove the rear cover (see Exterior Cover Removal). 2. Remove the right rear cover (see Exterior Cover Removal).

10-BINSORTER STAPLERA555CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

4.4 SOLENOIDS AND CLUTCHES 10987654123 1. Transfer Belt Cleaning SOL 2. Toner Supply Release SOL 3. Junction Gate SOL(A187/A189 only) 4. Sub By-p

1. SPECIFICATIONSPaper Size for Bins: Sort/Stack Modes:Maximum: A3, 11 x 17"Minimum: B5, 81/2 x 11"Paper Weight for Bins: Sorting:52 ~ 157 g

Staple Replenishment: Cartridge exchange (2,000 staples/cartridge)Power Source: DC 24 V, 5 V (from the copier)Power Consumption: Average: less than 3

2. COMPONENT LAYOUT2.1 MECHANICAL COMPONENT LAYOUT 71234561. Helical Wheels2. Jogger Plate3. Grip Assembly4. Transport Rollers5. Staple Unit6. Bins7.

2.2 DRIVE LAYOUT 81243573161. Jogger Drive Belt2. Transport Roller3. Helical Wheels4. Transport Motor5. Jogger Motor6. Wheel Drive Belts7. Bin Drive

2.3 ELECTRICAL COMPONENT DESCRIPTIONRefer to the electrical component layout on the reverse side of the Point toPoint Diagram (on large sized sheet).S

3. BASIC OPERATION3.1 NORMAL MODE AND SORT/STACK MODE Copies exiting the copier pass through the entrance guide plate [A]. Thetransport roller will se

The first copy of the second original is delivered to the final bin that was usedfor the first original, then the final bin descends one step. The bin

3.2 STAPLE MODE Stapling is only available in sort mode.When the jogger plate has squared the final set of copies, the grip arms [A]move inside the f

There are two staple modes.Automatic StaplingIn ADF mode, when staple mode is selected before pressing the Start key,copies will be delivered to each

3.3 BIN DRIVE MECHANISM The bin drive mechanism moves the bins up and down to receive copies.There are four pins on each bin. Two pins fit into the sl

4.5 SWITCHES AND HEATERS 12123456781011191817151314916202122 1. Lower Tray Heater 2. Pressure Roller Thermofuse 3. Pressure Roller Lamp 4. Fusing

3.4 BIN HOME POSITION The bin home position sensor [A] ensures that the proof tray is lower than thetransport roller when the bins are in the home pos

3.5 JOGGER MECHANISM The jogger motor [A] drives the jogger plate [B] via timing belts [C].The jogger is at home position when the actuator on the jog

3.6 GRIP ASSEMBLY The grip assembly consists of the grip motor [A], the timing belt [B], the drivegear [C], the grip home position sensor [D], and t

3.7 STAPLER UNIT The stapler motor [A] drives the staple hammer [B] via the gears [C] and theeccentric cam [D].The roller [E] feeds the sheets to be s

3.8 STAPLER SWITCH The stapler switch [A] below the grip assembly removes the 24 volt line to thestapler. In proof mode, all bins lower and push lever

3.9 PAPER FEED AND MISFEED DETECTION TIMING– Proof Mode – *1: The value of the low speed depends on the copier.– Sorter Mode – *1: The start timing o

– Staple Mode –A4 sideways, two copies of a two-page original, after sorting, 150 mm/s 10-Bin Sorter Stapler ST10 (A555)BASIC OPERATIONSM 9-17 A166/

3.10 JAM DETECTION– Paper Jam – J1: The sorter entrance sensor does not turn on within 2 s after the fusing exit sensor has turned on.J2: The fusing

4. SERVICE TABLES4.1 DIP SWITCHESDIP SW100 Switch No.Function12345Off Off Off Off Off Normal SettingOn On Off Off Off Sorter Free RunOn Off On Off Off

4.2 TEST POINTSNumber FunctionTP100 +24 VTP101 +5 VTP102 GND4.3 LEDNumber FunctionLED100 Bin jam sensor status4.4 VARIABLE RESISTORNumber FunctionVR10

4.6 SENSORS 617161413123451110981819202122121572324 1. Used Toner Sensor 2. Color Toner CartridgeSensor 3. Oil End Sensor 4. Revolver H.P. Sensor

5. REPLACEMENT AND ADJUSTMENT5.1 EXTERIOR COVER REMOVAL 1. Rear Cover [A] (2 screws) 2. Front Cover [B] (3 screws) 3. Lower Cover [C] (1 screw) 4

5.3 GRIP ARM REPLACEMENT 1. Remove the front cover (see Exterior Cover Removal). 2. Remove the grip assembly [A] (4 screws, 2 connectors, 1 ground

5.4 BIN REPLACEMENT 1. Remove the front, rear, and top covers (see Exterior Cover Removal inthis section). 2. Remove the spring [A] and the grip

5.5 TRANSPORT MOTOR REPLACEMENT 1. Remove the sorter stapler [A] (1 screw, 1 chain). 2. Remove the lower plate [B] (3 screws). 3. Remove the ent

5.6 BIN JAM SENSOR ADJUSTMENT After replacing the sorter main board, perform the bin jam sensor adjustmentas follows. 1. Turn on the main switch. 2.

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

SECTION 10FILM PROJECTOR UNITSPU 3 (A718)CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

1. SPECIFICATIONSAcceptable Film Types: • Type: Positive film/Negative film• Size: 35 mm - Approx. 140 x 210 mmOthers: 45 x 60 mm, 60 x 60 mm, 60 x 70

2. ELECTRICAL COMPONENT LAYOUT ANDDESCRIPTIONS Symbol Name FunctionIndexNo.PCB1Projector Lamp Regulator Supplies dc voltage to the projector lampand l

4.7 MOTORS 18910765432 1. Toner Supply Motor 2. Scanner Motor 3. Revolver Drive Motor 4. Development Drive Motor 5. Polygon Motor 6. Drum Motor

3. SECTIONAL DESCRIPTIONS3.1 OVERVIEW This film projector unit allows making copies from the following kinds of films:35 mm positive slides (both moun

3.2 SHADINGThis "Shading" should be performed whenever the type of film is changed orthe mirror unit is moved.When the projector unit is sel

3.3 MIRROR UNIT The film image projected through the projection lens [A] is reflected to theFresnel lens [B] by the mirror [C]. The Fresnel lens cons

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

SECTION 11APPENDIXCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

APPENDIX 1TIMING CHARTSCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

47871000289511813712200123848006962690542294733971149514671114278019522105305467620002857561Copy Mode: Normal SpeedColor Mode: 1C (Black)Size: A4 Side

971149514671114473353054787278010001191118137148954200195221048004629448642291238467640005454561Copy Mode: Normal SpeedColor Mode: BlackSize: A3Copy V

4787Bk M M Y Y M M Y Y M M Bk5004001000285711813712200229138111902857304812382104629

4.8 DRIVE LAYOUT 7123456111098 1. Paper Feed Clutch 2. Vertical Transport Clutch 3. Registration Clutch 4. By-pass Feed Clutch 5. Drum Drive Gea

Copy Mode: Normal SpeedColor Mode: Red (M + Y)Size: A3Copy Volume: 2 SheetsMagnification:100%Note: 1. Time units are in [ms].2. Timing is accurate wit

4787Bk C C M M Y Y C C M M Y Y C C Bk500400561100028571181371220

4787Bk C C M M Y Y C C M M Y Y C C Bk500

4787Bk C C M M Y Y Bk Bk C C M M Y Y Bk5004001000285711813712292857304819521238210 45244629468637244686462

4787Bk C C M M Y Y Bk Bk C C M

Copy Mode: Half-speed (OHP/Thick)Color Mode: BlackSize: A4 SidewaysCopy Volume: 1 SheetMagnification:100%Note: 1. Time units are in [ms].2. Timing is

4787500400100011814895371420022919521238210452446294686519011908562473353059711495146711144733184951021910162100199257Half-speed4000Half-speedHalf-spe

Copy Mode: Half-speed (OHP/Thick)Color Mode: Red (M + Y)Size: A4 SidewaysCopy Volume: 1 SheetMagnification: 100%Note: 1. Time units are in [ms].2. Tim

Bk M M YCopy Mode: Half-speed (OHP/Thick)Color Mode: Red (M + Y)Size: A3Copy Volume: 1 SheetMagnification: 100%Note: 1. Time

1449510219100199257101624733530597114951467111447334787Bk C C M M Y Y

4.9 FANS AND AIR FLOW 141313561211109871542 1. Development Inlet Fan 2. Transport Fan 1 3. Transport Fan 2 4. Front Power SupplyBoard Fan 5. Pap

4787Bk C C M M Y Y C

4733530597114951467111447331449510219100199257101624787 Bk C C M M Y Y Bk

Bk C C M M Y4733530597114951467111447331849510219101621001992574787500400561100048951181371420022974417632195

1. Start Key2. Drum Motor3. Main Motor4. Belt H. P. Detection5. QL6. Charge Corona7. Development Bias DC8. Development Bias AC9. Development Motor10.

1. Start Key2. Drum Motor3. Main Motor4. Belt H.P. Detection5. QL6. Charge Corona7. Development Bias DC8. Development Bias AC9. Development Motor10. T

478760010411238113347335305472441244648341019524267600X1. Start Key2. Drum Motor3. Main Motor4. Belt H.P. Detection5. QL6. Charge Corona7. Development

APPENDIX 2SP TABLE Groups of SP ModesSP mode has 8 groups as follows: (1) Paper Feed/Transport/Fusing (2) Around the Drum/Belt Units (3) Proc

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments ReportPAPER FEED/TRANSPORT/FUSING1 1 1 Lead Edge Regist.:Nrml Shifts the

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report1 105 1 Set Hot Rllr.Tmp.IdlingSets the target temperature of theho

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report1 106 1 Pressure Roller TempDisplays the temperature on thesurface

4.10 COUNTERS (A166/A187 COPIERS) 21 1. Main Counter 2. Back-up Counter (stored in the RAM board on the SCU board)OverallMachineInformationPARTS LA

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report2 101 4 Trail Mrgn (OHP/Thk)Adjusts the blank margin at thetrailing

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report2 301 21 Paper Trans CurrentAdjusts the paper transfer currentto co

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report2 301 38 P.T.C.Sp:1/2Spd:1CSets the paper transfer current for1C mo

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report2 301 47 P.T.C.(Nrml/Lead Edge)Sets the paper transfer current for2

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report2 301 57 P.T.C.(Nrml-Bk/Trail)Sets the paper transfer current for2C

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report2 301 69 P.T.C.(1C/Nrml-Bk/Trail)Sets the paper transfer current fo

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report2 310 4 Forced Blt Cleaning TimeSets the duration for the forcedbel

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report2 917 Paper Trans Reverse CrntSets the negative voltage appliedto t

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report2 203 1 Dev Ptnl ID Sn Ptrn:K Sets the development potential forthe

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report2 208 5 Toner Supply Coef:KSets the toner supply coefficient infixe

4.11 COUNTER (A189 COPIER) 21 1. Main Counter 2. Back-up Counter (stored in the RAM board on the SCU board)PARTS LAYOUTA166/A187/A189 1-26 SMCÓPIA

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report2 952 1 Tnr End Rec Coef:KSets the coefficient used tocalculate the

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report2 954 5 Dev Ptnl Comp Cpy Cnt:KDisplays the Copy CountCorrection fo

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report3 114 1 Actual VD: K Displays the actual VD after theprocess contro

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report3 126 Forced P-Ctrl Self ChkPerforms the forced processcontrol self

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report3 957 P-Ctrl Data TxSends the data concerningprocess control throug

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report4 12 1 Scanning Blnk Mrgn:RearSets the blank margin for the rearsid

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report4 426 1 R_GAIN 0Sets or displays the gain value ofthe amplifiers on

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report4 904 1 IPU Board Test 1Performs IPU board test 1. Thetest 1 progra

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report4 910 1 K:Letter/Offset:LAdjusts the offset data of theprinter gamm

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report4 912 1 M:Letter/Offset:LAdjusts the offset data of theprinter gamm

It is the reader's responsibility when discussing the information contained within thisdocument to maintain a level of confidentiality that is in

5.ELECTRICAL COMPONENT LIST5.1 PRINTED CIRCUIT BOARDSSymbol Name Function RemarksPCB1 Lamp regulator Supplies dc power for the exposure lamp.PCB2Scann

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report4 914 1 K(SC):Letter/Offset:LAdjusts the offset data of theprinter

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report4 916 1 C:Photo/Offset:LAdjusts the offset data of theprinter gamma

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report4 918 1 Y:Photo/Offset:LAdjusts the offset data of theprinter gamma

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report4 920 1 C:G-Photo/Offset:LAdjusts the offset data of theprinter gam

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report4 922 1 Y:G-Photo/Offset:LAdjusts the offset data of theprinter gam

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report4 950 1 Color Background: R1Programs the density level ofeach color

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments ReportOPERATION AND SYSTEM4 303 APS Smallest Size Selects whether the cop

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report591Language Setting(A189 copier only)Selects the language used on t

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report5 120 Clear Md On/Off Key CntrSpecifies whether the currentmode is

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report5 302 4 Set Date: Day Sets the day of the date. 1 1 to 31 (Date)5

5.2 SOLENOIDSSymbol Name Function RemarksSOL1Sub by-pass feedpick-up solenoid Lowers the pick-up roller.SOL2Main by-pass feedpick-up solenoid Lowers t

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report5 611 1 C Ratio in BlueSets the toner amount ratio ofcyan in blue.9

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report5 810 1 Fusing SC ResetResets a type 1 service callcondition that w

Rev. 11/961st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report5 963 Polygon Motor Power Off Adjusts the time from after

Rev. 11/961st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments ReportPERIPHERALS4 802 FPU Free RunStarts the FPU free run with

Rev. 11/961st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report6 104 Staple Sheet LimitSelects whether there is a stapli

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report7 4 1 CE Counter: B/W These counters can be used bythe technician f

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report7 209 1 Counter: NormalDisplays the total number ofcopies in each m

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report7 302 17 Copy Data: AP1/1Not used0 0 to 9999999Not used7 302 18 Cop

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report7 402 1 SC Counter: ScanDisplays the service call countersfor each

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report7 507 1 Paper Jam (Last10)Displays data for the latest 10paper jams

5.4 SWITCHESSymbol Name Function RemarksSW1 Main switch Turns the power to the copier on or off.SW2Front door switch Opens the dc line to the high vol

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report7 818 1 Dev.Counter Clear:KResets the development counterfor each c

1st 2nd 3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report5 8 0 Beeper See UP5-3 in section 4 (2.2) 1 0, 1These SP modes can

1st2nd3rd Display FunctionDefault, ( ): For EuropeSettings/Range Comments Report6 1 0 SADF Auto Reset See UP7-3 in section 4 (2.2) 20 5 to 60 (s)Thes

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5.6 HEATERSSymbol Name Function RemarksH1OpticsanticondensationheaterPrevents moisture from forming on theoptics.H2Drum heater Prevents moisture from

5.10 SENSORSSymbol Name Function RemarksS1Platen coverposition sensorDetects if the platen cover is up ordown.S2Scanner unit liftsensorDetects if the

5.11 MOTORSSymbol Name Function RemarksM1 Scanner motor Drives the scanner.M2 Polygon motor Drives the polygon mirror.M3Main motor Drives the paper fe

5.13 COUNTERSymbol Name Function RemarksCO1Main counter Counts up the number of scans for Bkand color copying.OverallMachineInformationELECTRICAL COMP

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DETAILED SECTIONDESCRIPTIONSCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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1.PROCESS CONTROL1.1 OVERVIEW [A][B]DrumDevelopmentRoller[A]: Toner Supply Motor[B]: Charge Corona UnitPotentialSensorDetailedSectionDescriptionsPROCE

This machine uses two control methods: •Latent Image Control (every process control self check)•Toner Supply Control (every copy)Latent Image ControlL

1.2 PROCESS CONTROL MEASUREMENT TIMINGThe machine uses outputs from the drum potential sensor and the ID sensor.Some outputs are measured every color

1.3 POTENTIAL CONTROL (LATENT IMAGE CONTROL)1.3.1 ConceptLatent image control adjusts the development potential to maintain thedensity of the toner im

There are 20 combinations in this table. The machine chooses thecombination that is closest to the current VDP, and will use these values ofVD, VL, a

1.3.3 Process Control Self Check Procedure *NOTE:In the interval process control self check, the Drum Potential SensorCalibration step is skipped.*PRO

1.3.4 Drum Potential Sensor Calibration The drum potential sensor [A] has a detector which detects the strength ofthe electrical field from the elect

1.3.5 Vsg CalibrationThe ID sensor checks the bare drum’s reflectivity and calibrates the output ofthe ID sensor to 4 ± 0.1 V. This compensates for bo

1.3.8 Gradation Pattern DevelopmentThe gradation pattern is developed with a fixed development bias.1.3.9 Gradation Pattern Density DetectionThe ID se

1.3.11 VD, VB, VL Selection (Pointer Table)The machine now adjusts VD, VB, and VL to try to bring VDP to the idealvalue. To do this, it uses a pointer

The Service Manual contains informationregarding service techniques, procedures,processes and spare parts of office equipmentdistributed by Ricoh Corp

1.3.14 Potential Control in Abnormal Sensor ConditionsYou can check the result of the process control self check with SP 3-975.One of the following co

CodeNo.ErrorSP No.(DisplaysValuesOnly)Potential Causes Note92 VSG Error3-2 (VSG) 1. ID Sensor2. Dirty ID Sensor3. Drum Deterioration• In a fairly new

The following table shows the error codes and their possible causes. Code No.Potential sensorID sensorDevelopment unitDrum unitMain charge corona unit

1.3.15 Abnormal Sensor Conditions (SC)If V200 or V800 at drum potential sensor calibration is out of specification or ifVD or VL do not fall within sp

1.4 TONER SUPPLY CONTROL1.4.1 Toner Supply Control MethodThis machine has two toner supply control methods: fuzzy control mode, andfixed supply mode.N

(2) Vsp for Toner Supply Control, Vsp(toner) The laser diode writes a sensor pattern for each color using standard laserdiode power. After the patter

(4) Fuzzy Logic AlgorithmThe fuzzy logic algorithm has two input factors which are related to theamount of toner on the drum. These are:•The differenc

1.4.5 Toner End Detection(1) Toner Near-end Detection For detecting the toner near-end condition, this machine has two M/Athresholds (one for Bk to

3. If the pattern density is not good after performing the toner supply twotimes, the machine goes to the toner near-end/end condition again.Toner s

1.4.6 Developer AgitationWhen the developer is replaced, developer agitation must be performed toagitate the developer and the toner.This machine has

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(1) Developer Agitation ResultWhen an error occurs during the developer agitation (SP2-225)†, themachine stops the sequence and generates/stores the e

(2) Developer Agitation Error Code TableCodeNo.Error Causes and Measures1 No error –70Developer CharacteristicErrorWhen making the 12-grade pattern, t

CodeNo.Error Causes and Measures74Free Run Error with TonerEndThe M/A is smaller than the threshold for a toner endcondition after the free run.

2.DRUM UNIT 2.1 OVERVIEWThe drum unit consists of the drum [A], the charge corona unit [B], thequenching lamp [C], the drum potential sensor [D], the

2.2 MECHANISMS 2.2.1 Drive MechanismThe drum is driven by the drum motor [A] at the speed of 105mm/s. Thedrum motor is a brushless type motor. This

2.2.2 Drum Charge This copier uses a single corona wire system to charge the drum.The single corona wire applies a negative charge to the drum surface

2.2.3 Drum Cleaning This copier uses a counter blade system with a lubricant bar to clean thedrum.1. Counter BladeThe cleaning blade [A] is angled aga

2.2.4 Quenching In preparation for the next copy cycle, light from the quenching lamp [A]neutralizes any charge remaining on the drum [B].The quenchin

3.SCANNER UNIT 3.1 OVERVIEWAn image of the original illuminated by the exposure lamp (a halogen lamp,75V/160 Watt) is reflected onto a color CCD (Char

3.2 SCANNER The 1st scanner consists of the exposure lamp [A], main [B] and sub [C]reflectors, and 1st mirror [D]. This model uses a halogen type exp