Kyocera FS-C8500DN Service Manual
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Kyocera FS-C8500DN Service Manual

Kyocera FS-C8500DN Service Manual

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Table of Contents

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See also: Operating Manual , User Manual
FS-C8500DN
SERVICE
MANUAL
Published in July 2010
842KA112
2KASM062
Rev. 2

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Summary of Contents for Kyocera FS-C8500DN

  • Page 1: Service Manual

    FS-C8500DN SERVICE MANUAL Published in July 2010 842KA112 2KASM062 Rev. 2...
  • Page 2 CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS. It may be illegal to dispose of this battery into the municipal waste stream. Check with your local solid waste officials for details in your area for proper disposal. ATTENTION IL Y A UN RISQUE D’EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE TYPE INCORRECT.

  • Page 3: Revision History

    Revision history Revision Date Replaced pages Remarks February 2, 2010 1-3-1 July 20, 2010 1-1-1, 1-1-2, 1-3-4, 1-3-27, 1-3-36, 1-3-37, 1-3-55, 1-3-86, 1-4-38, 1-4-39, 2-4-1, 2-4-2, 2-4-7...
  • Page 4 This page is intentionally left blank.

  • Page 5: Safety Precautions

    Safety precautions This booklet provides safety warnings and precautions for our service personnel to ensure the safety of their customers, their machines as well as themselves during maintenance activities. Service personnel are advised to read this booklet carefully to familiarize themselves with the warnings and precautions described here before engaging in maintenance activities.
  • Page 6 Safety warnings and precautions Various symbols are used to protect our service personnel and customers from physical danger and to prevent damage to their property. These symbols are described below: DANGER: High risk of serious bodily injury or death may result from insufficient attention to or incorrect compliance with warning messages using this symbol.

  • Page 7: Installation Precautions

    1. Installation Precautions WARNING • Do not use a power supply with a voltage other than that specified. Avoid multiple connections to one outlet: they may cause fire or electric shock. When using an extension cable, always check that it is adequate for the rated current...................... •...

  • Page 8: Specifications 1

    2. Precautions for Maintenance WARNING • Always remove the power plug from the wall outlet before starting machine disassembly....• Always follow the procedures for maintenance described in the service manual and other related brochures............................• Under no circumstances attempt to bypass or disable safety features including safety mechanisms and protective circuits.
  • Page 9 • Do not remove the ozone filter, if any, from the copier except for routine replacement....... • Do not pull on the AC power cord or connector wires on high-voltage components when removing them; always hold the plug itself......................•...
  • Page 10 This page is intentionally left blank.
  • Page 11 CONTENTS 1-1 Specifications 1-1-1 Specifications............................1-1-1 1-1-2 Parts names............................1-1-3 (1) Body ..............................1-1-3 (2) Operation panel..........................1-1-6 1-1-3 Machine cross section ..........................1-1-7 1-2 Installation 1-2-1 Installation environment ..........................1-2-1 1-2-2 Unpacking and installation ........................1-2-2 (1) Installation procedure ........................1-2-2 (2) Setting initial copy modes........................1-2-11 1-2-3 Installing the cassette heater (option) (inch specifications only)............1-2-12 1-3 Maintenance Mode 1-3-1 Maintenance mode ..........................1-3-1 (1) Executing a maintenance item ......................1-3-1...
  • Page 12 (1) Precautions ............................1-5-1 (2) Drum..............................1-5-1 (3) Toner ..............................1-5-1 (4) How to tell a genuine Kyocera Mita toner container................1-5-2 1-5-2 Paper feed section ..........................1-5-3 (1) Detaching and refitting the forwarding, paper feed and separation pulleys ........1-5-3 (2) Detaching and refitting the MP unit ....................1-5-6 (3) Detaching and refitting the MP forwarding, MP paper feed and MP separation pulleys ....1-5-8...
  • Page 13 2-2 Electrical Parts Layout 2-2-1 Electrical parts layout..........................2-2-1 (1) PWBs ..............................2-2-1 (2) Switches and sensors ........................2-2-4 (3) Motors ...............................2-2-6 (4) Others..............................2-2-8 2-3 Operation of the PWBs 2-3-1 Power source PWB..........................2-3-1 2-3-2 Engine PWB............................2-3-4 2-3-3 Main PWB .............................2-3-20 2-3-4 Main front PWB.............................2-3-27 2-3-5 Sub front PWB ............................2-3-31 2-3-6 Feed PWB.............................2-3-35 2-3-7 Operation panel PWB ...........................2-3-40...
  • Page 14 This page is intentionally left blank.

  • Page 15: Specifications

    2KA-2 1-1 Specifications 1-1-1 Specifications Type ..........Desktop Printing system ....... Dry-type electrostatic transfer (laser) printing, tandem/intermediate transfer printing Paper weight........Cassette: 60 - 163 g/m (Duplex: 60 - 163 g/m MP tray: 60 - 220 g/m Paper type ........Cassette: Plain, Rough, Vellum, Recycled, Preprinted, Bond, Color (Colour), Prepunched, Letterhead, Thick, High Quality, Custom 1 - 8 (Duplex: Same as Simplex) MP tray: Plain, Transparency (OHP film), Rough, Vellum, Labels, Recycled,...
  • Page 16 2KA-2 Operating system......Windows 2000/XP/Vista/7, Windows Server 2003/2008, Apple Macintosh OS 10.x Interface.......... Hi-speed USB: 1 Network interface: 1 (10 BASE-T/100 BASE-TX) KUIO/W slot: 1 (option) ° ° Operating environment ....Temperature: 10 to 32.5 C/50 to 90.5 Humidity: 15 to 80% RH Altitude: 2500 m/8,202 ft maximum Brightness: 1500 lux maximum Dimensions ........
  • Page 17 1-1-2 Parts names (1) Body Figure 1-1-1 Operation panel USB memory slot Front cover Cassette 1 Cassette 2 Top cover Top tray Left cover 1 Left cover 1 indicator 10. Left cover 1 lever 11. Left cover 2 indicator 12. Left cover 2 13.
  • Page 18 Figure 1-1-2 15. Toner container (Black) 16. Toner container release lever (Black) 17. Toner container (Yellow) 18. Toner container release lever (Yellow) 19. Toner container (Cyan) 20. Toner container release lever (Cyan) 21. Toner container (Magenta) 22. Toner container release lever (Magenta) 23.
  • Page 19 Figure 1-1-3 27. Paper feed unit cover 28. Paper feed unit 29. Knob 30. Paper width adjusting tab 31. Paper length guide 32. MP tray (multi-purpose tray) 33. Paper width guides 34. Handles 35. Paper stopper 36. USB port 37. Network interface connector 38.
  • Page 20 (2) Operation panel Figure 1-1-4 Ready indicator MENU key Data indicator Back key Attention indicator Stop key Message display 10. OK key Left Select key 11. USB memory slot Right Select key 12. Cursor up/down/left/right keys 1-1-6...
  • Page 21 1-1-3 Machine cross section Paper path Figure 1-1-5 Machine cross section Cassette paper feed section 10. Developing section (Cyan) MP tray paper feed section 11. Developing section (Magenta) Laser scanner section 12. Toner container section Drum section (Black) 13. Primary transfer section Drum section (Yellow) 14.
  • Page 22 This page is intentionally left blank. 1-1-8...

  • Page 23: Installation Environment

    1-2 Installation 1-2-1 Installation environment   Temperature: 10 to 32.5 C/50 to 90.5 Humidity: 15 to 80% Power supply: 120 V AC, 12.0 A/220 to 240 V AC, 7.2 A   Power source frequency: 50 Hz 2%/60 Hz Installation location Avoid direct sunlight or bright lighting.

  • Page 24: Unpacking And Installation

    1-2-2 Unpacking and installation (1) Installation procedure Start Unpacking. Removing the protective sheet. Installing the paper feeder (option). Release of lift plate stopper. Installing the toner containers. Installing the waste toner box. Loading paper. Install other optional devices. Connecting the cassette heater. (metric specifications only) Connecting the power cord.
  • Page 25 Moving the machine When moving the machine, pull out two carrying handles on the left side, and move with carrying handles and the hand- hold two place of the right side. Carrying handle Handhold Carrying handle Handhold Figure 1-2-2 1-2-3...
  • Page 26 Unpacking. Figure 1-2-3 Unpacking Machine 10. Plastic bag 19. Power code 28. Hinge joints Upper lid 11. Bottom front left pad 20. Plastic bag 29. Upper pad Outer case 12. Bottom front right pad 21. Operation guide 30. Toner container K Inner frame 13.
  • Page 27 Removing the protective sheet. 1. Remove six tapes and then remove the pro- tective sheet. Protective sheet Tape Tape Tape Tape Tape Protective Tape sheet Figure 1-2-4 Installing the paper feeder (option). 1. Install the optional paper feeder as necessary. 2.
  • Page 28 Installing the toner containers. 1. Open the front cover. 2. Hold the toner container with the toner con- tainer release lever positioned on the top, and shake the toner container in the hori- zontal direction. Toner container Figure 1-2-6 3. Install four color toner containers. 4.
  • Page 29 Installing the waste toner box. 1. Push the release button and pull out the Release button waste toner tray. 2. Open the lid and install the waste toner box. 3. Push the waste toner tray back in. 4. Close the front cover. Waste toner tray Waste toner box Waste toner box...
  • Page 30 Loading paper. 1. Pull the cassette out. Support lever 2. Adjust the paper length guide to fit the paper size. 3. Holding the paper width adjusting tab both ends, move the paper width guide to fit the paper. 4. When loading paper smaller than A4 or Let- ter into cassette 1, raise the support lever as shown in the figure.
  • Page 31 Install other optional devices. 1. Install the optional devices (document fin- isher etc.) as necessary. Connecting the cassette heater. (metric specifications only) 1. Remove two screws and then remove the lid. 2. Pull the connector of the cassette heater wire out from the aperture. 3.
  • Page 32 Connecting the power cord. 1. Connect the power cord to the power cord connector on lower left of the machine. 2. Connect the power plug to the wall outlet. Adjusting the image. 1. Open the main power switch cover and turn the main power switch on. 2.
  • Page 33 (2) Setting initial copy modes Factory settings are as follows: Maintenance item No. Contents Factory setting U253 Switching between double and single counts Double (A3/LD) U260 Selecting the timing for copy counting Eject U285 Setting service status page U325 Setting the paper interval On/1 U327 Setting the cassette heater control...
  • Page 34 1-2-3 Installing the cassette heater (option) (inch specifications only) Installing the cassette heater requires the following component: Cassette heater (P/N 302H794760) Two (2) M4 x 10 screws (P/N 7BB700410H) Procedure 1. Turn the main power switch off. And then unplug the power cable from the wall outlet. 2.
  • Page 35 6. Fasten the cassette heater wires to eight wire saddles. 7. Connect two connectors of cassette heater wires to each connector of the machine. 8. Refit the connector cover. 9. Refit the cassette 1 and 2. Wire saddles Wire saddles Wire saddles Wire saddles Cassette heater...
  • Page 36 This page is intentionally left blank. 1-2-14...

  • Page 37: Maintenance Mode

    2KA-1 1-3 Maintenance Mode 1-3-1 Maintenance mode The machine is equipped with a maintenance function which can be used to maintain and service the machine. (1) Executing a maintenance item Start While pressing the OK key and the cursor down key, press the Menu key. Enter 10871087 by pressing the OK key every time after shifting the cursor using cursor left/right leys.
  • Page 38 (2) Maintenance mode item list Item Initial Section Content of maintenance item setting* General U000 Outputting an own-status report U001 Exiting the maintenance mode U002 Setting the factory default data U004 Setting the machine number U019 Displaying the ROM version Initialization U021 Memory initializing...
  • Page 39 Item Initial Section Content of maintenance item setting* High U101 Setting the voltage for the primary transfer voltage Normal 116/90/120 Add Color 5/5/20/0/-5/-5/-15 Surround Correct U106 Setting the voltage for the secondary transfer Light, Normal 1/(Full) Front 130/115/100/90 Light, Normal 1/(Full) Back 150/125/85/75 Light, Normal 1/(Full) Front B/W 150/115/110...
  • Page 40 2KA-2 Item Initial Section Content of maintenance item setting* Developing U136 Setting toner near end detection U139 Displaying the temperature and humidity outside the machine U140 Displaying developing bias Dev Roll2 DC 93/93/93/93/93 Dev Roll1(Calb)DC 112/142/173/204/ 112/142/173/204 Dev Roll2 AC 174/174/174/174/174 Dev Roll1DC 162/162/162/162/162...
  • Page 41 Item Initial Section Content of maintenance item setting* Operation U246 Setting the finisher panel and 3000 Finisher 0/0/0/0/0/0 support Booklet Fold 0/0/0/0/0/0/0/0 equipment U247 Setting the paper feed device Mode setting U250 Change the maintenance count pre-set U251 Checking/clearing the maintenance count U252 Setting the destination U253...
  • Page 42 Item Initial Section Content of maintenance item setting* Image U473 Adjusting laser power output processing Sensitivity LSU LD Power 16/16/16/16/16 Correction Density Adjust Emit Time/Dot All/0 U474 Checking LSU cleaning operation 1000/On U486 Setting color/black and white operation mode Mode2 Other U901 Checking copy counts by paper feed locations...

  • Page 43: Contents Of Maintenance Mode Items 1

    (3) Contents of maintenance mode items Maintenance Description item No. Outputting an own-status report U000 Description Outputs lists of the current settings of the maintenance items, and paper jam and service call occurrences. Outputs the event log or service status page. Also sends output data to the USB memory. Purpose To check the current setting of the maintenance items, or paper jam or service call occurrences.

  • Page 44: Figure 1

    Maintenance Description item No. Event log U000 Event Log Printer 27/Oct/2009 08:40 Firmware version 2KA_2000.000.000 2009.10.27 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] Paper Jam Log Service Call Log Count. Event Count. Service Code Descriprions 1881214 F0.0030 1876543 10.01.08.01.01 178944 01.1010 166554 10.01.08.01.02 5296 F0.4000 4988...

  • Page 45: Cassette

    Maintenance Description item No. U000 Items Description Paper Jam Log Count. Event Remembers 1 to 16 of The total page count at Log code (2 digit, hexa- occurrence. If the the time of the paper decimal, 5 categories) occurrence of the previ- jam.

  • Page 46: Cassette

    Maintenance Description item No. U000 Items Description Paper Jam Log 90: Jam in mailbox (3000-sheet document finisher) cont. 91: Finisher cover open 92: Eject paper sensor non-arrival jam (document finisher) 93: Reverse sensor jam (document finisher) 94: Paper entry sensor stay/remaining jam (document finisher) 95: Paper conveying sensor jam (document finisher) (b) Detail of paper source (Hexadecimal) 00: MP tray...
  • Page 47 Maintenance Description item No. U000 Items Description Paper Jam Log (e) Detail of paper exit location (Hexadecimal) cont. 01: Face down (FD) 02: Face up (FU)/Document finisher face up (FU)/ 3000-sheet document finisher left sub tray (FU) 03: Document finisher face down (FD) 3000-sheet document finisher main tray (FD) 06: 3000-sheet document finisher right sub tray (FU) 07: 3000-sheet document finisher left sub tray (FD)
  • Page 48 Maintenance Description item No. U000 Items Description (11) Unknown Toner Count. Item Remembers 1 to 5 of The total page Unkown toner log code (1 byte, 2 occurrence of count at the time categories) unknown toner detec- of the [Toner tion.

  • Page 49: Service Status Page

    Maintenance Description item No. Service status page (1) U000 Service Status Page Printer 27/Oct/2009 08:40 Firmware version 2KA_2000.000.000 2009.10.27 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] Controller Information Memory status Total Size 2.0 GB Time Local Time Zone +01:00 Tokio Time Server 10.183.53.13 Installed Options (10) Paper feeder...
  • Page 50 Maintenance Description item No. Service status page (2) U000 Service Status Page Printer 27/Oct/2009 08:40 Firmware version 2KA_2000.000.000 2009.10.27 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] Engine Information Send Information (18) NVRAM Version _Bb04B29_Bb04B29 (20) Date and Time 09/10/27 (19) MAC Address 00:C0:EE:D0:01:0D (21) Address (22)
  • Page 51 Maintenance Description item No. U000 Detail of service status page Description Supplement System version System date Engine soft version Engine boot version Controller BROM version Operation panel mask version Total RAM size Local time zone NTP server name (10) Presence or absence of the optional Cassette/LCF/Not Installed paper feeder (11)
  • Page 52 Maintenance Description item No. U000 Description Supplement (22) Destination information/Area informa- tion (23) Margin settings Top margin/Left margin (24) Top offset for each bin MP tray/Cassette 2/Cassette 3/Cassette 4/Duplex/ Rotation (25) Left offset for each bin MP tray/Cassette 2/Cassette 3/Cassette 4/Cassette 5/ Duplex/Rotation (26) Margin/Page length/Page width...
  • Page 53 Maintenance Description item No. U000 Description Supplement (40) Calibration information (41) Calibration information (42) Calibration information (43) Calibration information (44) Calibration information (45) Calibration information (46) Calibration information (47) Calibration information (48) Calibration information (49) Calibration information (50) RFID information (51) RFID reader/writer version information (52)
  • Page 54 Maintenance Description item No. Setting the factory default data U002 Description Initializes all settings, except those pertinent to the type of machine, namely each counter, service call history and mode setting. Also initializes backup RAM according to region specification selected in maintenance item U252 Setting the destination.
  • Page 55 Maintenance Description item No. Displaying the ROM version U019 Description Displays the part number of the ROM fitted to each PWB. Purpose To check the part number or to decide, if the newest version of ROM is installed. Method 1. Press the OK key. The ROM version are displayed. 2.
  • Page 56 Maintenance Description item No. Memory initializing U021 Description Initializes all settings, except those pertinent to the type of machine, namely each counter, service call history and mode setting. Also initializes backup RAM according to region specification selected in maintenance item U252 Setting the destination.
  • Page 57 Maintenance Description item No. Checking the operation of the motors U030 Description Drives each motor. Purpose To check the operation of each motor. Method 1. Press the OK key. 2. Select the motor to be operated. 3. Press the OK key. The operation starts. Display Operation Main...
  • Page 58 Maintenance Description item No. Checking switches and sensors for paper conveying U031 Description Displays the on-off status of each paper detection switch or sensor on the paper path. Purpose To check if the switches and sensor for paper conveying operate correctly. Method 1.
  • Page 59 Maintenance Description item No. Checking the operation of the clutches U032 Description Turns each clutch on. Purpose To check the operation of each clutch. Method 1. Press the OK key. 2. Select [Motor On] or [Motor Off]. Display Clutches Motor On The paper conveying motor (PCM) is turned on.
  • Page 60 Maintenance Description item No. Adjusting the print start timing U034 Description Adjusts the leading edge registration or center line. Purpose Make the adjustment if there is a regular error between the leading edges of the copy image and original. Make the adjustment if there is a regular error between the center lines of the copy image and original. Method 1.
  • Page 61 Maintenance Description item No. U034 When [LSU Out Top B/W] is selected. Display Description Setting Default Change in range setting value per step MPT (L) B/W Paper feed from MP tray -3.0 to 3.0 0.1 mm (when large size paper is used) Cas (L) B/W Paper feed from cassette -3.0 to 3.0...
  • Page 62 Maintenance Description item No. Adjustment: Center line adjustment U034 1. Select [LSU Out Left]. 2. Press the OK key. 3. Select the item. Display Description Setting Initial Change in range setting value per step Paper feed from MP tray -3.0 to 3.0 0.1 mm Cas 1 Paper feed from cassette 1...
  • Page 63 2KA-2 Maintenance Description item No. Setting the printing area for folio paper U035 Description Changes the printing area for copying on folio paper. Purpose To prevent cropped images on the trailing edge or left/right side of copy paper by setting the actual printing area for folio paper.
  • Page 64 Maintenance Description item No. Adjusting the deflection in the paper U051 Description Adjusts the deflection in the paper at the registration roller. Purpose Make the adjustment if the leading edge of the copy image is missing or varies randomly, or if the copy paper is Z-folded.
  • Page 65 Maintenance Description item No. U051 When [Bending Amt B/W] is selected Display Description Setting Initial Change in range setting value per step MPT (L) B/W Paper feed from MP tray -30 to 20 1 mm (when large size paper is used) Cas (L) B/W Paper feed from cassette -30 to 20...
  • Page 66 Maintenance Description item No. Setting the fuser motor control U052 Description Enters the sensor data values described on the supplied sheet provided when the loop sensor is replaced and performs correction processing for the fuser motor. Purpose To perform when replacing the loop sensor or paper conveying unit. Method 1.
  • Page 67 Maintenance Description item No. Setting the adjustment of the motor speed U053 Description Performs fine adjustment of the speeds of the motors. Purpose Basically, the setting need not be changed. Modify settings by interlock setting only if faulty images occur. Method 1.
  • Page 68 Maintenance Description item No. Setting: [Set Motor3] U053 1. Select the item to be adjusted. Display Description Setting range Initial setting MP motor (MPM) -500 to 500 Eject Eject motor (EM) -500 to 500 Opt Eject Feedshift motor (FSM) -500 to 500 Fixing Fuser motor (FUM) -500 to 500...
  • Page 69 Maintenance Description item No. U053 3. Press the Menu key. 4. A: Magnification in the auxiliary scanning direction 1) Select [transfer motor]. 2) Change the setting value using the Left/Right Select keys. Increasing the setting makes the image longer in the auxiliary scanning direction, and decreasing it makes the image shorter in the auxiliary scanning direction.
  • Page 70 Maintenance Description item No. Setting fan mode U059 Description Specifies mode for paper conveying fan motors during conveying paper. Purpose Change mode to MODE2 of operation mode if paper crease occurs when simplex-printing using A4/Letter size paper or when printing using B4 size paper. If the sound of the motor is disagreeable, change the thresh- old value of the temperature at which the fans operate to limit operation.
  • Page 71 Maintenance Description item No. Setting: [Cooling Mode] U059 1. Change the setting value using the Left/Right Select keys. Display Description Setting range Initial setting  Adjust Temp Amount of shift from the initial standard -3 to 3 ( temperature Setting a higher value increases the internal temperature, decreasing the longevity of the developer. 2.
  • Page 72 2KA-2 Maintenance Description item No. Adjusting main high voltage U100 Description Controls the charger roller voltage to optimize the surface potential. Purpose To change the setting value to adjust the image if an image failure (background blur, etc.) occurs. Method 1.
  • Page 73 2KA-2 Maintenance Description item No. Displaying: [Check DC1 Bias] U100 1. The current setting is diplayed. Display Description (C) Full Main charger DC bias for cyan (full speed) (M) Full Main charger DC bias for magenta (full speed) (Y) Full Main charger DC bias for yellow (full speed) (K) Full Main charger DC bias for black (full speed)
  • Page 74 Maintenance Description item No. Setting the voltage for the primary transfer U101 Description Sets the control voltage for the primary transfer. Purpose To change the setting when any density problems, such as too dark or light, occur. Method 1. Press the OK key. 2.
  • Page 75 Maintenance Description item No. Setting the voltage for the secondary transfer U106 Description Sets the control voltage for the secondary transfer depending on each paper type. Purpose To change the setting when any density problems, such as too dark or light, occur. Method 1.
  • Page 76 Maintenance Description item No. Setting: [Normal 2-3] U106 1. Select an item to be set. 2. Press the OK key. Display Description (Full) Front Control voltage for the transfer bias for the first side (Full) Back Control voltage for the transfer bias for the second side (Full) Front B/W Control voltage for the transfer bias for the first side (in black and white mode)
  • Page 77 Maintenance Description item No. Setting: [OHP] U106 1. Select an item to be set. 2. Change the value using the Left Select/Right Select keys. Display Description Setting range Initial setting [W]<220 Small and medium sizes (under 220 mm 0 to 255 wide) 220<=[W] Large sizes (more than 220 mm wide)
  • Page 78 Maintenance Description item No. Setting the transfer cleaning voltage U107 Description Sets the cleaning control voltage for transfer belt unit. Purpose Change settings if an offset has occurred due to the failure of cleaning the transfer belt. Method 1. Press the OK key. 2.
  • Page 79 Maintenance Description item No. Setting: [Belt Clean B] U107 1. Select an item to be set. 2. Change the value using the Left/Right Select keys. Display Description Setting range Initial setting Transfer belt cleaning voltage 0 to 255 Transfer belt cleaning voltage (using thick 0 to 255 paper) Transfer belt cleaning voltage in black and...
  • Page 80 Maintenance Description item No. Setting separation shift bias U108 Description Adjusts output of separation shift bias and ON/OFF timing. Purpose To set when the separated malfunction of the paper occurs. Method 1. Press the OK key. 2. Select an item to be set. 3.
  • Page 81 Maintenance Description item No. Setting: [Set Timing] U108 1. Select an item to be set. 2. Change the setting value using the Left/Right Select keys. Setting Initial Display Description range setting On Tmg Lead Separation shift bias ON timing at leading edge of -200 to 200 -150 paper...
  • Page 82 Maintenance Description item No. Checking the drum count U110 Description Displays the drum counts for checking. Purpose To check the drum status. Method 1. Press the OK key. The current drum counts is displayed. Display Description Cyan Cyan drum count value Magenta Magenta drum count value Yellow...
  • Page 83 Maintenance Description item No. Checking the drum number U117 Description Displays the drum number. Purpose To check the drum number. Method 1. Press the OK key. The drum number is displayed. Display Description Drum No. (C) Cyan drum number Drum No. (M) Magenta drum number Drum No.
  • Page 84 Maintenance Description item No. Setting the drum U119 Description Sets drum sensitivity. Purpose To set the drum after replacing the drum unit or laser scanner unit. Method 1. Press the OK key. 2. Select [Execute]. 3. Press the OK key. Drum setup is commenced. 4.
  • Page 85 Maintenance Description item No. Checking/clearing the transfer count U127 Description Displays the counts of the transfer counter. Purpose To check the count after replacement of the transfer belt unit or transfer roller. Also to clear the counts after replacing transfer roller. Method 1.
  • Page 86 Maintenance Description item No. Adjusting the toner sensor control voltage U131 Description Adjusts the toner sensor control voltage. Purpose If control values are not correctly retrievable due to the EEPROM of the developing unit failure, etc., use man- ual adjustment and obtain a temporary control value. Method 1.
  • Page 87 Maintenance Description item No. Replenishing toner forcibly U132 Description Replenishes toner forcibly until the toner sensor output value reaches the toner feed start level. Purpose Used when the toner empty is detected frequently. Method 1. Press the OK key. 2. Select the item. Display Description Execute...
  • Page 88 Maintenance Description item No. Checking toner motor operation U135 Description Drives toner motors. Purpose To check the operation of toner motors. Remarks When driving the toner motors long time or several times, developing section becomes the toner full and is locked.
  • Page 89 Maintenance Description item No. Displaying the temperature and humidity outside the machine U139 Description Displays the detected temperature and humidity outside the machine. Purpose To check the temperature and humidity outside the machine. Method 1. Press the OK key. The detected temperature and humidity are displayed. Display Description ...
  • Page 90 Maintenance Description item No. Displaying developing bias U140 Description Displays various developing bias value. Purpose To check the developing bias value. Method 1. Press the OK key. 2. Select an item to be set. 3. Press the OK key. The screen for setting each item is displayed. Display Description Dev Roll2 DC...
  • Page 91 2KA-2 Maintenance Description item No. Setting: [Dev Roll2 AC] U140 1. Select the item to be set. 2. Change the value using the Left/Right Select keys. Setting Initial Display Description range setting Cyan Developing sleeve roller AC bias for cyan 0 to 255 Magenta Developing sleeve roller AC bias for magenta...
  • Page 92 Maintenance Description item No. Setting: [DEV Roll Freq] U140 1. Select the item to be set. 2. Change the value using the Left/Right Select keys. Setting Initial Display Description range setting Cyan Developing magnet roller frequency for cyan 0 to 5000 Magenta Developing magnet roller frequency for magenta 0 to 5000...
  • Page 93 Maintenance Description item No. Setting for toner applying operation U147 Description Sets the mode for removing charged toner in the developing unit (T7 control: Toner applying operation). Purpose Changing settings are not required. However, when the documents with lower print density (e.g. less than 2%) should customarily printed in a great volume, mode must be changed.
  • Page 94 Maintenance Description item No. Setting: [Drum Clean.] U147 Modify settings only if faulty images, such as smear, occurs in a high humid environment. 1. Change the setting using the Left/Right Select keys. Display Description Constitutes a toner layer if the print coverage is less than 2%. (excludes the maximum paper width A3/A4) Apply toner regardless of the current print coverage.
  • Page 95 Maintenance Description item No. Displaying the toner sensor output U155 Description Displays the toner sensor output value. Purpose To check the output value for each color when any image problems occur. Method 1. Press the OK key. 2. Select the item to be set. 3.
  • Page 96 Maintenance Description item No. Setting the toner replenishment level U156 Description Sets the toner replenishment level for each color. Purpose To change settings according to the original image. Method 1. Press the OK key. 2. Select the item to be set. 3.
  • Page 97 Maintenance Description item No. Checking the developing drive time U157 Description Displays the developing drive time for checking a figure, which is used as a reference when correcting the toner control. Purpose To check the developing drive time after replacing the developing unit. Method 1.
  • Page 98 Maintenance Description item No. Setting the fuser control temperature U161 Description Changes the fuser control temperature. Purpose Normally no change is necessary. However, can be used to prevent curling or creasing of paper, or solve a fuser problem on thick paper. Setting 1.
  • Page 99 Maintenance Description item No. Checking/clearing the fuser count U167 Description Displays and clears the fuser count for checking. Purpose To check or clear the fuser count after replacement of the fuser unit. Also to clear the counts after replacing unit. Method 1.
  • Page 100 Maintenance Description item No. Setting the USB host lock function U221 Description Specifies ON/OFF the USB host lock function. Setting this to ON causes the machine to be unable to recog- nize the device connected to the USB host. Purpose Set according to the preference of the user.
  • Page 101 Maintenance Description item No. Setting punch destination U234 Description Sets the destination of punch unit of 3000-sheet document finisher. Purpose To be set when installing a different punch unit from the destination of the machine. Setting 1. Press the OK key. 2.
  • Page 102 Maintenance Description item No. Checking the operation of the finisher U240 Description Turns each motor and solenoid of 3000-sheet document finisher ON. Purpose To check the operation of each motor and solenoid of the 3000-sheet document finisher. Method 1. Press the OK key. 2.
  • Page 103 Maintenance Description item No. Method: [Finisher Sol] U240 1. Select the item to be operated. 2. Press the OK key. The operation starts. Display Solenoid Feed In Sol Paper entry solenoid (PESOL) Rear Down Sol 1 Trailing edge holder solenoid 1 (TEHSOL1) Rear Down Sol 2 Trailing edge holder solenoid 2 (TEHSOL2) Sub Path Sol...
  • Page 104 Maintenance Description item No. Checking the operation of the switches of the finisher U241 Description Displays the status of each switch of 3000-sheet document finisher. Purpose To check the operation of each switch of the 3000-sheet document finisher. Method 1. Press the OK key. 2.
  • Page 105 Maintenance Description item No. Method: [Mail Box] U241 1. Turn each switch or sensor on and off manually to check the status. When a switch/sensor is detected to be in the ON position, the display for that switch/sensor will be “1”. Display Switch and sensors Switch 1...
  • Page 106 Maintenance Description item No. Setting the finisher U246 Description Provides various settings for the 3000-sheet document finisher, if furnished. Purpose Adjustment of registration stop timing in punch mode Adjust if skewed paper conveying occurs or if the copy paper is Z-folded in punch mode. Adjustment of paper stop timing in the punch mode To adjust this item when the position of a punch hole is different from the specified one.
  • Page 107 Maintenance Description item No. Setting: [Punch Regist] U246 1. Change the setting value using the cursor up/down keys. Setting Initial Change in Description range setting value per step Adjustment of registration stop timing -20 to 20 1 ms If skewed paper conveying occurs (sample 1), increase the preset value. If the copy paper is Z-folded (sample 2), decrease the preset value.
  • Page 108 Maintenance Description item No. Setting: [Staple FR HP] U246 1. Change the setting value using the Left/Right Select keys. Setting Initial Change in Description range setting value per step Adjustment of front and back stapling home position -10 to 10 0.32 mm When staple positions are off toward the front side of the machine (sample 1), increase the preset value.
  • Page 109 Maintenance Description item No. Method: [Booklet Fold] U246 1. Select the item to set. Display Description Width U HP Adjustment of upper side registration home position Width L HP Adjustment of lower side registration home position Staple Pos. S Adjustment of booklet stapling position for A4/Letter size Staple Pos.
  • Page 110 Maintenance Description item No. Setting: [Saddle Pos. S/Saddle Pos. M/Saddle Pos. L] U246 1. Change the setting value using the Left/Right Select keys. Setting Initial Change in Description range setting value per step Adjustment of center folding position for A4/Letter size -10 to 10 0.55 mm Adjustment of center folding position for B4/Legal size...
  • Page 111 Maintenance Description item No. Setting the paper feed device U247 Description Turns on motor and clutches of 3000-sheet paper feeder or paper feeder. Purpose To check the operation of motor and clutches of paper feed device. Method: 3000-sheet paper feeder 1.
  • Page 112 Maintenance Description item No. Change the maintenance count pre-set U250 Description Changes preset values for maintenance cycle. Purpose Provides changing the time when the message to acknowledge to conduct maintenance is periodically dis- played. Setting 1. Press the OK key. The current pre-set value is displayed. Display Description Setting range...
  • Page 113 Maintenance Description item No. Setting the destination U252 Description Switches the operations and screens of the machine according to the destination. Purpose To be executed after initializing the backup RAM, in order to return the setting to the value before replacement or initialization.
  • Page 114 Maintenance Description item No. Switching between double and single counts U253 Description Switches the count system for the total counter and other counters for every color mode. Purpose Used to select, according to the preference of the user, if A3/Ledger paper is to be counted as one sheet (sin- gle count) or two sheets (double count).
  • Page 115 Maintenance Description item No. Setting OEM purchaser code U265 Description Sets the OEM purchaser code. Purpose Sets the code when replacing the main PWB and the like. Setting 1. Press the OK key. 2. Change the preset value using the Left/Right Select keys. 3.
  • Page 116 Maintenance Description item No. Setting service status page U285 Description Determines displaying the digital dot coverage report on reporting. Purpose According to user request, changes the setting. Setting 1. Press the OK key. 2. Select On or Off. Display Description Not to display the digital dot coverage Displays the digital dot coverage Initial setting: On...
  • Page 117 Maintenance Description item No. Setting the paper interval U325 Description Determines the interval between pages and the toner replenishment amount when printing pages with high print coverage. Purpose Modify the settings only if a spotted background or uneven density appears when printing pages with high print coverage.
  • Page 118 Maintenance Description item No. Setting the cassette heater control U327 Description Sets the cassette heater control. Purpose To change the setting according to the machine installation environment. Method 1. Press the OK key. 2. Select the item. Display Description Mode Setting the cassette heater control Option Heater Optional cassette heater installed/not Installed setting...
  • Page 119 Maintenance Description item No. Setting the size conversion factor U332 Description Sets the coefficient of nonstandard sizes in relation to the A4/Letter size. The coefficient set here is used to convert the black ratio in relation to the A4/Letter size and to display the result in user simulation. Purpose To set the coefficient for converting the black ratio for nonstandard sizes in relation to the A4/Letter size.
  • Page 120 Maintenance Description item No. Setting the ID correction operation U464 Description Turns ID correction (calibration) on or off. Also, this determines the duration of calibration and the timing of calibration during printing. Also, this allows individual settings for calibration operation by enabling custom set- tings.
  • Page 121 Maintenance Description item No. Setting: [Permit] U464 1. Select On or Off. Display Description Turns calibration OFF Turns calibration ON Initial setting: On 2. Press the OK key. The setting is set. Setting: [Time Interval] 1. Change the setting value using the Left/Right Select keys. Display Description Setting range...
  • Page 122 2KA-2 Maintenance Description item No. Setting: [Calib Tmg Prt] U464 1. Change the setting value using the Left/Right Select keys. Display Description Setting range Initial setting Timing(Sec) Setting the drive standard time of contin- 300 to 3600 (s) 1800 uous print 2.
  • Page 123 Maintenance Description item No. U464 Error codes Codes Description Cover open detection Toner empty detection Waste toner full detection 11/12/13/14 Connector removed or failure of PWB (cyan / yellow / magenta / black) 15/16/17/18 Foreign matter in developing unit (cyan / yellow / magenta / black) 19/20/21/22 Discharging of developing bias is not detected (cyan / yellow / magenta / black) Setting: [Target Value]...
  • Page 124 Maintenance Description item No. Setting: [Calib Tmg Prt(H)] U464 1. Change the setting value using the Left/Right Select keys. Display Description Setting range Initial setting Timing(sec) Setting the drive standard time of contin- 300 to 3600 (s) 600 uous print 2.
  • Page 125 Maintenance Description item No. Data reference for ID correction U465 Description References the data related to ID correction. Purpose To check the corresponding data. Method 1. Press the OK key. 2. Select the item to be reference. 3. Press the OK key. The screen for the selected item is displayed. Display Description T Count...
  • Page 126 Maintenance Description item No. Displaying: [Laser Power] U465 1. The current value is displayed. Display Description Scaling factor to the value determined in light amount calibration (cyan) Scaling factor to the value determined in light amount calibration (magenta) Scaling factor to the value determined in light amount calibration (yellow) Scaling factor to the value determined in light amount calibration (black) Displaying: [Bias Calib] 1.
  • Page 127 Maintenance Description item No. Setting the color registration adjustment U467 Description Sets the color registration adjustment and transfer belt speed correction. Also, determines the conditions by which color registration correction is executed depending on the LSU temperature. Purpose If color variance is uneven due to a sensor failure, etc., turn this off and temporarily make a manual adjust- ment.
  • Page 128 Maintenance Description item No. Adjusting laser power output U473 Description Adjusts the laser output power for each color. Also, this is used to toggle exposure density correction and enter exposure density correction values. Purpose Enter the exposure density correction data after replacing the laser scanner unit. Also performed when the quality of dots, lines or low density has dropped.
  • Page 129 Maintenance Description item No. Setting: [Correction] U473 1. Select On or Off. Display Description Do not correct the sensitivity Correct the sensitivity Initial setting: On 2. Press the OK key. The setting is set. Setting: [Density Adjust] 1. Select the color. 2.
  • Page 130 Maintenance Description item No. Checking LSU cleaning operation U474 Description Provides cleaning LSU by means of the LSU cleaning clutch and LSU cleaning solenoid. Also, the cleaning cycle can be adjusted. Method 1. Press the OK key. 2. Select the item. Display Description Cycle(Sheet)
  • Page 131 Maintenance Description item No. Setting color/black and white operation mode U486 Description When color and B/W are mixed, sets operation mode after a color is detected. Purpose To ensure productivity when printing color and B/W in ACS mode, select MODE3. However, selecting MODE3 will increase the maintenance count for cyan, magenta, and yellow color developing units even when there is a B/W after a color.
  • Page 132 Maintenance Description item No. Checking/clearing finisher punch count U902 Description Sets the punch limit and displays and clears the punch-hole scrap count when 3000-sheet document finisher is installed. Purpose Sets the punch limit to notify the user of the time to collect punch-hole scrap. Also, used to manually clear the punch-hole scrap count if a message requiring collection of punch-hole scrap is shown on the touch panel after collection.
  • Page 133 Maintenance Description item No. Checking/clearing the call for service counts U904 Description Displays or clears the service call code counts by types. Purpose To check the service call code status by types. Also to clear the service call code counts after replacing consumable parts. Method 1.
  • Page 134 Maintenance Description item No. Checking counts by optional devices U905 Description Displays the counts of document finisher. Purpose To check the use of document finisher. Method 1. Press the OK key. The screen for count value is displayed. Display Description Print No.
  • Page 135 Maintenance Description item No. Clearing the coverage data U910 Description Clears the accumulated data for the digital dot coverage per A4 size paper in all colors. Purpose To clear data as required at times such as during maintenance service. Method 1.
  • Page 136 Maintenance Description item No. Error Codes U917 Codes Description Codes Description e002 Parameter error e913 Log file open error e003 File write error e914 Log file error in writing e004 File initialization error e915 Directory open error e005 File error e916 Directory error in reading e110...
  • Page 137 Maintenance Description item No. Checking the copy counts U920 Description Checks the copy counts. Purpose To check the copy counts. Method 1. Press the OK key. The current counts are displayed. Display Description Color Cnt Count value of color Mono Cnt Count value of black/white Completion Press the Back key.
  • Page 138 Maintenance Description item No. Checking/clearing the charger roller count U930 Description Displays the counts of the charger roller counter for checking or clearing. Purpose To check the count after replacement of the charger roller unit. To clear the counter value when replacing the charger roller unit.
  • Page 139 Maintenance Description item No. Checking of toner area code U969 Description Displays the toner area code. Purpose To check the toner area code. Method 1. Press the OK key. The toner area code is displayed. Completion Press the stop/clear key. The screen for selecting a maintenance item No. is displayed. Data capture mode U977 Description...
  • Page 140 Maintenance Description item No. Displaying the developing unit history U985 Description Indicates the past record of machine number and the developing counter. Purpose To check the machine number and the developing counter. Method 1. Press the OK key. 2. Select the color to check. Display Description Cyan...

  • Page 141: Mode Selection Menu

    1-3-2 Mode selection menu In addition to a maintenance function for service, the machine is equipped with a menu function which can be operated by users (mainly by the administrator). In this menu mode, settings such as default settings can be changed. (1) Using the menu mode Start Press the Menu key.
  • Page 142 (2) Report Print Print Function Settings Paper Output (Output location selection) Menu Map (Printing a menu map) 1. In the Copies menu or the Paper Selection menu, 1. Select [Menu Map] and press the OK key. press [Function] (Right Select key). 2.
  • Page 143 (4) Custom Box Check Custom Box Details 1. Press [Menu] (Left Select key). 2. Select [Box Detail] and press the OK key. Box Password (input of the password) Details for the displayed Custom Box appear. 1. If you have set a password for the selected Custom Box, a password input screen appears.
  • Page 144 Deleting a Private/Stored Job (7) Paper Settings 1. Select [Private/Stored] and press the OK key. 2. Select the user name you entered in the printer MP Tray Set. (MP tray settings) driver. 3. Select the name of the job to be deleted. Paper Size (Paper size setting for MP tray) 4.
  • Page 145 (8) Print Settings Page Setting (Setting pagination) Copies (Number of copies) Paper Source (Selecting the paper feed source) 1. Select [Page Setting] and press the OK key. 1. Select [Paper Source] and press the OK key. 2. Select [Copies] and press the OK key. 2.
  • Page 146 (9) Network (10) Device Common TCP/IP (Enable/Disable TCP/IP) Language (Selecting the message language) 1. Select [TCP/IP] and press the OK key. 1. Select [Language] and press the OK key. 2. Select [On] or [Off] and press the OK key. 2. Select the desired language and press the OK key. IPv4 Setting (TCP/IP IPv4 settings) Date Setting (Date and time settings) DHCP (DHCP setting)
  • Page 147 Error Handling (Error detection setting) ColorToner Empty (Setting when color toner runs out) DuplexPaperError (Duplex printing error detection 1. Select [ColorToner Empty] and press the OK key. setting) 2. Select the setting for handling when a color toner 1. Select [Error Handling] and press the OK key. runs out and press the OK key.
  • Page 148 (11) Security I/F Block Set. (External interface block setting) USB Host (USB memory slot setting) Network Security (Network security setting) 1. Select [I/F Block Set.] and press the OK key. 2. Select [USB Host] and press the OK key. Netware (NetWare setting) 3.
  • Page 149 Detail/Edit (Checking/editing registered account ID (13) Administrator settings) 1. Select [Account. List] and press the OK key. Administrator (Administrator settings) 2. Select an account to check or edit and press the 1. Select [Administrator] and press the OK key. OK key. 2.
  • Page 150 Adjust Magenta (Magenta correction) Adjust Magenta (Magenta correction) 1. Select [Color Regist.] and press the OK key. 1. Select [Color Regist.] and press the OK key. 2. Select [Normal] and press the OK key. 2. Select [Detail] and press the OK key. 3.

  • Page 151: Service Mode

    1-3-3 Service mode The printer is equipped with a maintenance function which can be used to maintain and service the machine. (1) Executing a maintenance item Message display Ready to Print. 1. Press the Menu key. Menu: Report Print USB Memory Custom Box Adjust/Maint.
  • Page 152 (2) Description of service mode Service items Description Service Status Printing a status page for service purpose Description Prints a status page for service purpose. The status page includes various printing settings and service cumulative. Purpose To acquire the current printing environmental parameters and cumulative information. Procedure 1.
  • Page 153 Service items Description Drum Performing drum refreshing Description Rotates the drum approximately 2 minutes with toner lightly on the overall drum using the high-voltage output control of the engine PWB. The cleaning blade in the drum unit scrapes toner off the drum surface to clean it. Purpose To clean the drum surface when image failure occurs due to the drum.
  • Page 154 Service items Description First Print Pos. Setting first print position Description The first print time of black and white printing or color printing by changing the default start position of the first print. Purpose According to user request, changes the setting. Procedure 1.

  • Page 155: Left Cover

    1-4 Troubleshooting 1-4-1 Paper misfeed detection (1) Paper misfeed indication When a paper misfeed occurs, the machine immediately stops copying and displays the jam location on the operation panel. Paper misfeed counts sorted by the detection condition can be checked in maintenance item U903. To remove paper jammed in the machine, open the left cover, pull the cassette out or pull the paper feed unit out.
  • Page 156 (2) Paper misfeed detection conditions FSSW ESW1 DUSW FSW1 MPPCSW MPPFCL PFCL1 MPPFSW FSW2 PFCL2 FSW3 PFPFCL1 PFPFCL2 PFPFCL1 PPS1 PPS2 PPS3 PFCCL PFFSW PFPFCL2 Paper feeder 3000-sheet paper feeder Figure 1-4-2 1-4-2...
  • Page 157 Specified time Section Jam code Conditions Color System The power is turned on when a sensor in the conveying Initial JAM system is on. Cover is open during paper conveying. Cover open JAM Secondary paper feed does not start within specified time 40 s Secondary paper feed of arrival of paper at the registration section.
  • Page 158 Specified time Section Jam code Conditions Color Paper The registration switch (RSW) does not turn on within spec- 844 ms 767 ms feed sec- Misfeed in vertical ified time of feed switch 1 (FSW1) turning on. tion paper conveying sec- Feed switch 1 (FSW1) does not turn on within specified 588 ms 535 ms...
  • Page 159 Specified time Section Jam code Conditions Color Paper The MP paper conveying switch (MPPCSW) does not turn 2424 ms 2204 ms feed sec- Multiple sheets in MP on within specified time of MP paper feed switch tion tray paper feed section (MPPFSW) turning on.
  • Page 160 Specified time Section Jam code Conditions Color Eject During top tray ejection, eject switch 1 (ESW1) does not 1432 ms 1302 ms section Misfeed in eject section turn off within specified time of the registration switch (RSW) turning off. During finisher ejection, eject switch 1 (ESW1) does not 1432 ms 1302 ms turn off within specified time of the registration switch (RSW) turning off.
  • Page 161 Specified time Section Jam code Conditions Color Finisher (3000-sheet document finisher) 968 ms 880 ms Paper entry sensor non The paper entry sensor (PES) is not turned off even if a arrival jam specified time has elapsed after the machine eject signal was received.
  • Page 162 Specified time Section Jam code Conditions Color Finisher Inner tray entry sensor 2 (ITPES2) does not turn on within 2068 ms 1880 ms Jam in eject section of specified time of the paper entry sensor (PES) turning on. inner tray 2 (3000- Inner tray entry sensor 2 (ITPES2) does not turn off within 1371 ms 1371 ms sheet document fin-...
  • Page 163 Specified time Section Jam code Conditions Color Finisher The tray eject sensor (TEJS) does not turn on within speci- 3072 ms 2793 ms Jam in mailbox (3000- fied time from start of paper eject (tray 1). sheet document fin- The tray eject sensor (TEJS) does not turn on within speci- 2780 ms 2527 ms isher only) fied time from start of paper eject (tray 2).
  • Page 164 (3) Paper misfeeds Problem Causes/check procedures Corrective measures A piece of paper torn from Check visually and remove it, if any. A paper jam in the copy paper is caught paper feed, convey- around feed switche1/2/3, ing, duplex or eject MP paper feed switch, MP section is indicated paper conveying switch,...
  • Page 165 Problem Causes/check procedures Corrective measures Paper feeder A paper jam in the Paper is extremely curled. Change the paper. paper feed section is indicated during Check if the paper feed pul- Check visually and replace any deformed pulleys. copying (no paper ley, forwarding pulley and feed from cassette separation pulley of cas-...
  • Page 166 Causes/check procedures Corrective measures Problem Paper is extremely curled. Change the paper. A paper jam in the Check if the MP paper feed Check visually and replace any deformed pulleys (see page 1-5- paper feed section is pulley, MP forwarding pulley indicated during and MP separation pulley copying (no paper...
  • Page 167 Causes/check procedures Corrective measures Problem Paper is extremely curled. Change the paper. A paper jam in the Check if the paper side Check visually and replace. paper feed section is guides are deformed. indicated during copying (misfeed in Defective paper path sen- With 5 V DC present at CN6-6 on the PF main PWB, check if 3000-sheet paper sor 1.
  • Page 168 Causes/check procedures Corrective measures Problem (13) Defective feed switch 1. Run maintenance item U031 and turn feed switch 1 on and off A paper jam in the manually. Replace the switch if indication of the corresponding paper feed section is switch is not displayed in reverse.
  • Page 169 Causes/check procedures Corrective measures Problem (16) Broken PF feed switch Check visually and replace switch. A paper jam in the actuator. paper feed section is Defective paper feeder feed With 5 V DC present at YC3-7 on the PF main PWB, check if YC3- indicated during switch.
  • Page 170 Causes/check procedures Corrective measures Problem (20) Broken eject switch 1 actu- Check visually and replace switch. A paper jam in the ator. fuser section is indi- Defective switch. Run maintenance item U031 and turn the following switch on and cated during copying off manually.
  • Page 171 Causes/check procedures Corrective measures Problem (25) Defective paper entry sen- (3000-sheet document finisher) A paper jam in sor. Run maintenance item U241 and turn the paper entry sensor on optional document and off manually. Replace the sensor if indication of the corre- finisher is indicated sponding sensor is not displayed in reverse.
  • Page 172 Causes/check procedures Corrective measures Problem (29) Defective eject switch 2. Run maintenance item U241 and turn eject switch 2 on and off A paper jam in manually. Replace the switch if indication of the corresponding optional document switch is not displayed in reverse. finisher is indicated during copying (right sub tray eject jam).
  • Page 173 Causes/check procedures Corrective measures Problem (35) Defective eject paper sen- With 5 V DC present at CN7-1 on the finisher main PWB, check if A paper jam in sor. CN7-3 on the finisher main PWB remains low or high when the optional document eject paper sensor is turned on and off.
  • Page 174 1-4-2 Self-diagnosis (1) Self-diagnostic function This unit is equipped with a self-diagnostic function. When a problem is detected, copying is disabled and the problem dis- played as a code consisting of C followed by a number, indicating the nature of the problem. A message is also displayed requesting the user to call for service.
  • Page 175 Partial operation control If one of the following service codes is detected, partial operation control will be activated. Take actions to clear the cause of the trouble and perform maintenance item U906 to reset partial operation control. Code Contents C0840 Faults of RTC C1010 Lift motor 1 error...
  • Page 176 Measures against the service codes detecting fuser problems If one of the following service codes is detected, take actions to clear the cause of the trouble and perform maintenance item U163 to reset the service code. Code Contents C6000 Fuser heater 1 break C6010 Abnormally high fuser thermistor temperature C6020...
  • Page 177 (2) Self diagnostic codes Remarks Code Contents Causes Check procedures/corrective measures C0100 Backup memory (EEPROM) device Defective main Replace the main PWB and check for cor- problem (Main PWB) PWB. rect operation. Reading from or writing to EEPROM Device damage of Contact the Service Administrative Division.
  • Page 178 Remarks Code Contents Causes Check procedures/corrective measures C0800 Image processing problem Defective main Replace the main PWB and check for cor- JAM05 is detected twice. PWB. rect operation. C0840 Faults of RTC Defective main Replace the main PWB and check for cor- The time is judged to go back based on PWB.
  • Page 179 Remarks Code Contents Causes Check procedures/corrective measures C1030 PF lift motor 1 error (optional paper Poor contact in the Check the connection of connector YC27 on feeder) connector termi- the engine PWB and the connector on the After cassette 3 is inserted, PF lift switch nals.
  • Page 180 Remarks Code Contents Causes Check procedures/corrective measures C1120 PF left lift position problem (optional Poor contact in the Check the connection of connector YC27 on 3000-sheet paper feeder) connector termi- the engine PWB and the connector on the Level switch 1 does not turn on within 30 nals.
  • Page 181 Remarks Code Contents Causes Check procedures/corrective measures C1950 Transfer belt unit EEPROM error Poor contact in the Check the connection of connector YC28 on No response is issued from the device in connector termi- the engine PWB and the connector of the reading/writing for 5 ms or more and this nals.
  • Page 182 Remarks Code Contents Causes Check procedures/corrective measures C2201 Drum motor K steady-state error Poor contact in the Check the connection of connector YC8 on Drum motor K does not keep the steady- connector termi- the motor control PWB and the connector of state speed for 5 s successively since nals.
  • Page 183 Remarks Code Contents Causes Check procedures/corrective measures C2212 Drum motor C startup error Poor contact in the Check the connection of connector YC6 on Drum motor C is not stabilized within 5 s connector termi- the motor control PWB and the connector of since the motor is activated.
  • Page 184 Remarks Code Contents Causes Check procedures/corrective measures C2233 Drum motor M main sensor error Poor contact in the Check the connection of connector YC5 on No signal is input to the sensor for 1.5 s connector termi- the motor control PWB and the connector of continuously.
  • Page 185 Remarks Code Contents Causes Check procedures/corrective measures C2244 Drum motor Y sub sensor error Poor contact in the Check the connection of connector YC7 on No signal is input to the sensor for 1.5 s connector termi- the motor control PWB and the connector of continuously.
  • Page 186 Remarks Code Contents Causes Check procedures/corrective measures C2271 Drum position sensor K error Poor contact in the Check the connection of connector YC3 on While the drum rotates two turns, no sig- connector termi- the main front PWB and the connector of the nal is input to the sensor.
  • Page 187 Remarks Code Contents Causes Check procedures/corrective measures C2300 Fuser motor error Poor contact in the Check the connection of connector YC25 on After the motor drive ON signal is output connector termi- the engine PWB and the connector of the and 1 s elapses, the rated speed reach nals.
  • Page 188 Remarks Code Contents Causes Check procedures/corrective measures C2400 Eject motor error Poor contact in the Check the connection of connector YC25 on After the motor drive ON signal is output connector termi- the engine PWB and the connector on the and 2 s elapses, the rated speed reach nals.
  • Page 189 Remarks Code Contents Causes Check procedures/corrective measures C2600 PF paper conveying motor error Poor contact in the Check the connection of connector YC27 on (optional paper feeder) connector termi- the engine PWB and the connector on the The lock signal of the motor is detected nals.
  • Page 190 Remarks Code Contents Causes Check procedures/corrective measures C4000 Polygon motor synchronization prob- Poor contact in the Check the connection of connector YC13 on connector termi- the engine PWB and laser scanner unit, and The rated speed achievement signal nals. the continuity across the connector termi- won’t turn to L in 48 s since the polygon nals.
  • Page 191 Remarks Code Contents Causes Check procedures/corrective measures C5104 Main high-voltage Y error Installation defec- Check the mounting state of the charger Abnormality of charger roller Y is tiveness on roller unit Y. If any problem is found, repair detected when Vpp adjustment. charger roller unit or replace the unit.
  • Page 192 2KA-2 Remarks Code Contents Causes Check procedures/corrective measures C6000 Fuser heater 1 break Defective fuser Check for continuity across each heater. If Fuser thermistor 1 detects a temperature heater 1. none, replace the fuser unit (see page 1-5- lower than the Ready indication temper- 31).
  • Page 193 2KA-2 Remarks Code Contents Causes Check procedures/corrective measures C6100 Fuser heater 2 break Defective fuser Check for continuity across each heater. If Fuser thermistor 2 detected less than heater 2. none, replace the fuser unit (see page 1-5-   31).
  • Page 194 Remarks Code Contents Causes Check procedures/corrective measures C6230 Fuser thermistor 1 edge break error Defective fuser Check for continuity across each heater. If Fuser thermistor 1 detects a temperature heater 1. none, replace the fuser unit (see page 1-5-  ...
  • Page 195 Remarks Code Contents Causes Check procedures/corrective measures C7101 Toner sensor K problem Defective develop- Replace the developing unit K (see page 1- Sensor output value of 60 or less or 944 ing unit K. 5-25). or more continued for 3 s. Defective PWB.
  • Page 196 Remarks Code Contents Causes Check procedures/corrective measures C7401 Developing unit K type mismatch Developing unit Reinsert the developing unit connector if problem connector inserted necessary. Absence of the developing unit K is incorrectly. detected. Different type of Install the correct developing unit. the developing unit is installed.
  • Page 197 Remarks Code Contents Causes Check procedures/corrective measures C7420 Transfer belt unit type mismatch Transfer belt unit Reinsert the transfer belt unit connector if problem connector inserted necessary. Absence of the transfer belt unit is incorrectly. detected. Different type of Install the correct transfer belt unit. the transfer belt unit is installed.
  • Page 198 Remarks Code Contents Causes Check procedures/corrective measures C7903 Drum M EEPROM error Poor contact in the Check the connection of connector YC7 on No response is issued from the device in connector termi- the sub front PWB and the continuity across reading/writing for 5 ms or more and this nals.
  • Page 199 Remarks Code Contents Causes Check procedures/corrective measures C7914 Developing unit Y EEPROM error Poor contact in the Check the connection of connector YC4 on No response is issued from the device in connector termi- the sub front PWB and the continuity across reading/writing for 5 ms or more and this nals.
  • Page 200 Remarks Code Contents Causes Check procedures/corrective measures C8050 Paper conveying belt motor 1 prob- Poor contact in the Check the connection of connector YC2 on lem (optional 3000-sheet document connector termi- the inner tray PWB and the connector on finisher) nals.
  • Page 201 Remarks Code Contents Causes Check procedures/corrective measures C8140 Main tray problem (optional 3000- Poor contact in the Check the connection of connector YC11 on sheet document finisher) connector termi- the finisher main PWB and the connector on The main tray is not detected by the nals.
  • Page 202 Remarks Code Contents Causes Check procedures/corrective measures C8180 Side registration motor 2 problem Poor contact in the Check the connection of connector YC8 on (optional 3000-sheet document fin- connector termi- the inner tray PWB and the connector of isher) nals. side registration motor 2, and the continuity When operation returned to a home across the connector terminals.
  • Page 203 Remarks Code Contents Causes Check procedures/corrective measures C8230 Stapler motor problem (optional 3000- Poor contact in the Check the connection of connector YC10 on sheet document finisher) connector termi- the finisher main PWB and the connector of Jam 82 is indicated. nals.
  • Page 204 Remarks Code Contents Causes Check procedures/corrective measures C8320 Centerfold paper conveying belt Poor contact in the Check the connection of connector YC6, motor problem (optional center-fold- connector termi- YC7 on the centerfold main PWB and the ing unit of 3000-sheet document fin- nals.
  • Page 205 Remarks Code Contents Causes Check procedures/corrective measures C8340 Centerfold staple motor problem Poor contact in the Check the connection of connector YC9 on (optional center-folding unit of 3000- connector termi- the centerfold main PWB and the connector sheet document finisher) nals.
  • Page 206 Remarks Code Contents Causes Check procedures/corrective measures C8440 Sensor adjusting problem (optional The paper entry Reinsert the connector. Also check for conti- document finisher) sensor connector nuity within the connector cable. If none, The sensor cannot be adjusted within makes poor con- remedy or replace the cable.
  • Page 207 Remarks Code Contents Causes Check procedures/corrective measures C8910 Punch backup memory data problem Poor contact in the Check the connection of connector on the (optional of 3000-sheet document fin- connector termi- punch PWB and the connector YC4 on the isher) nals.
  • Page 208 1-4-3 Image formation problems (1)No image appears (2)No image appears (3)Dirty on the back (4)Image is too light. (5)The background is (entirely white). (entirely black). side. colored. See page 1-4-55. See page 1-4-55. See page 1-4-56. See page 1-4-56. See page 1-4-57. (6)A white line (7)A line appears lon- (8)A line appears lat-...
  • Page 209 (1) No image appears (entirely white). Copy example Causes Check procedures/corrective measures Defective The connector terminals Reinsert the connector. Also check for continuity within the transfer of the transfer high volt- connector cable. If none, remedy or replace the cable. bias output.
  • Page 210 (3) Dirty on the back side. Copy example Causes Check procedures/corrective measures Faulty transfer belt cleaning. Replace the transfer belt unit (see page 1-5-28). Dirty paper conveying path. Clean the paper conveying path. Dirty fuser belt or press roller (inner Replace the fuser unit (see page 1-5-31).
  • Page 211 (5) The background is colored. Copy example Causes Check procedures/corrective measures Defective Defective developing Run maintenance mode U089 to output four-color bar PG, develop- unit. check the output status of the four colors, and replace the ing bias developing unit for any faulty color (see page 1-3-35 and output.
  • Page 212 (8) A line appears laterally. Copy example Causes Check procedures/corrective measures Flawed drum. Replace the drum unit (see page 1-5-26). Dirty developing section. Clean any part contaminated with toner or carrier in the developing section. Leaking separation electrode. Clean the separation electrode. Poor contact of grounding terminal of Check the mounting state of the image formation holder.
  • Page 213 (12) Paper creases. Copy example Causes Check procedures/corrective measures Paper curled. Check the paper storage conditions. Paper damp. Check the paper storage conditions. Dirty separation electrode. Clean the separation electrode. (13) Offset occurs. Copy example Causes Check procedures/corrective measures Defective cleaning blade of the drum Replace the drum unit (see page 1-5-26).
  • Page 214 (15) Fusing is poor. Copy example Causes Check procedures/corrective measures Wrong types of paper. Check if the paper meets specifications. Replace paper. Flawed fuser belt (inner fuser unit). Replace the fuser unit (see page 1-5-31). Flawed fuser heater (inner fuser unit). Replace the fuser unit (see page 1-5-31). (16) Image is out of focus.

  • Page 215: Electric Problems

    1-4-4 Electric problems Troubleshooting to each failure must be in the order of the numbered symptoms. Problem Causes Check procedures/corrective measures 1. The power cord is not Check the contact between the power plug and the outlet. The machine does plugged in properly.
  • Page 216 Problem Causes Check procedures/corrective measures 1. Broken fan motor coil. Check for continuity across the coil. If none, replace the fan motor. Developing fan motor 2. Poor contact in the con- Reinsert the connector. Also check for continuity within the con- 1/2 does not operate.
  • Page 217 Problem Causes Check procedures/corrective measures 1. Broken fan motor coil. Check for continuity across the coil. If none, replace the fan motor. Loop fan motor does 2. Poor contact in the con- Reinsert the connector. Also check for continuity within the con- not operate.
  • Page 218 Problem Causes Check procedures/corrective measures (12) 1. Broken solenoid coil. Check for continuity across the coil. If none, replace the MP sole- The MP solenoid noid. does not operate. 2. Poor contact in the con- Reinsert the connector. Also check for continuity within the con- nector terminals.
  • Page 219 Problem Causes Check procedures/corrective measures (17) 1. Poor contact in the con- Reinsert the connector. Also check for continuity within the con- The message nector terminals of paper nector cable. If none, remedy or replace the cable. requesting paper to switch 1/2 or MP paper be loaded is shown switch.
  • Page 220 Problem Causes Check procedures/corrective measures (20) 1. Poor contact in the con- Reinsert the connector. Also check for continuity within the con- The message nector terminals of front nector cable. If none, remedy or replace the cable. requesting cover to cover switch, left cover 1 be closed is dis- switch or left cover 3...

  • Page 221: Mechanical Problems

    1-4-5 Mechanical problems Problem Causes/check procedures Corrective measures Check if the surfaces of the following pulleys Clean with isopropyl alcohol. No primary paper feed. are dirty with paper powder: forwarding pulley, paper feed pulley, separation pulley, MP for- warding pulley, MP paper feed pulley and MP separation pulley Check if the forwarding pulley, paper feed pul- Replace the pulley if it is deformed (see...
  • Page 222 Problem Causes/check procedures Corrective measures Check if the developing unit is extremely dirty. Clean the developing unit. Toner drops on the paper conveying path. Check if the pulleys, rollers and gears operate Grease the bearings and gears. Abnormal noise is heard. smoothly.
  • Page 223 1-5 Assembly and Disassembly 1-5-1 Precautions for assembly and disassembly (1) Precautions Before starting disassembly, turning off the main power switch. And then unplug the power cable from the wall outlet. When handling PWBs (printed wiring boards), do not touch parts with bare hands. The PWBs are susceptible to static charge.
  • Page 224 A black-colored band when seen through the left side window A shiny or gold-colored band when seen through the right side window The above will reveal that the toner container is a genuine Kyocera Mita branded toner container, otherwise, it is a coun- terfeit.
  • Page 225 1-5-2 Paper feed section (1) Detaching and refitting the forwarding, paper feed and separation pulleys Follow the procedure below to clean or replace the forwarding, paper feed and separation pulleys. Procedure Removing the primary paper feed unit 1. Remove cassette 1 and 2. 2.
  • Page 226 5. Remove the stop ring from the forwarding Forwarding pulley retainer pulley retainer. 6. Remove the forwarding pulley from the for- warding shaft. Forwarding shaft Stop ring Forwarding pulley Figure 1-5-5 Removing the paper feed pulley Stop ring 7. Remove two stop rings from the primary paper feed unit.
  • Page 227 11. Clean or replace the forwarding, paper feed and separation pulleys. Machine front Machine rear 12. Install the separation and paper feed pulleys to the primary paper feed unit. 13. Install the forwarding pulley to the forward- ing pulley retainer. When refitting the forwarding pulley, orient it correctly as shown in Figure 1-5-8.
  • Page 228 (2) Detaching and refitting the MP unit Follow the procedure below to replace the MP unit. Procedure 1. Open the front cover. Right cover 2. Remove the right filter 1 and right filter 2. Right filter 2 3. Remove five screws and remove the right cover.
  • Page 229 6. Remove two screws and one connector, and remove the MP unit. Screw Connector MP unit Screw Figure 1-5-11 1-5-7...
  • Page 230 (3) Detaching and refitting the MP forwarding, MP paper feed and MP separation pulleys Follow the procedure below to clean or replace the MP forwarding, MP paper feed and MP separation pulleys. Procedure Removing the MP forwarding and MP feed pulleys Stop ring Spring 1.
  • Page 231 6. Remove the inserted parts and then remove MP forwarding pulley the MP forwarding pulley from the pulley unit. 7. Remove two stop rings and bushes. 8. Remove the MP paper feed pulley from the Pulley unit MP paper feed shaft. MP paper feed shaft Stop ring Stop ring...
  • Page 232 11. Remove the inserted parts and then remove the MP separation pulley from the separa- tion pulley holder. 12. Clean or replace the MP forwarding, MP paper feed and MP separation pulleys. 13. Refit the MP separation pulley to the sepa- MP separation pulley ration pulley holder.
  • Page 233 1-5-3 Optical section (1) Detaching and refitting the laser scanner unit Follow the procedure below to replace the laser scanner unit. Procedure 1. Remove the left cover 1 (see page 1-5-37). 2. Remove the conveying guide. Conveying guide Figure 1-5-17 3.
  • Page 234 5. Remove the MP unit (see page 1-5-6). 6. Remove two screws and then remove the LSU right frame. Screw LSU right frame Screw Figure 1-5-19 7. Remove eight screws and then remove the rear middle cover. Rear middle cover Screw Screw Screw...
  • Page 235 8. Remove two screws and then remove the left upper cover. Left upper cover Screw Screw Figure 1-5-21 9. Open the eject cover. Rear upper cover 10. Remove three screws. Eject cover 11. Release four hooks and two bothes and then remove the rear upper cover.
  • Page 236 12. Remove the connector. 13. Remove the relay connector. 14. Release wire saddle 1 and 2, and then remove the wire. Connector Relay connector Wire Wire saddle 1 Wire saddle 2 Figure 1-5-23 1-5-14...
  • Page 237 15. Remove the connector (YC21). 16. Remove the screw and then remove the Lock lever clamp. 17. Remove the connector (YC100). 18. Release wire saddle 1 and 2, and then remove the wires. Connector (YC3, YC4) 19. While pressing and holding the lock levers, remove two connectors (YC3 and YC4).
  • Page 238 21. Remove two screws 22. Open the controller box. Screw Controller box Screw Figure 1-5-25 23. While holding the controller box, remove the pin. Take care not to drop the controller box. 24. Remove the controller box. Controller box Figure 1-5-26 1-5-16...
  • Page 239 25. Release the hook and two bothes and then remove the right upper cover. Right upper cover Both Both Hook Figure 1-5-27 26. Remove two connectors (YC13 and YC38). 27. Release four wire saddles and then remove the wire. Wire saddles Wire Connector (YC13)
  • Page 240 28. Remove the Laser scanner unit. Laser scanner unit Figure 1-5-29 29. Check or replace the laser scanner unit and refit all the removed parts. When refitting the laser scanner unit, take care not to hit it to the rib. 30.
  • Page 241 (2) Manual color registration adjustment Follow the procedure below to replace the laser scanner unit. Procedure 1. Press the Menu key. 2. Select [Adjust/Maint.], [ColorCalibration] and then Press [Yes]. Color calibration begins. 3. Press [Color Regist.], [Detail], [Print Chart] and then Press [Yes]. A chart is printed. 4.
  • Page 242 If manual color registration has failed: 16. If the balance between V-1 and V-5 is more than 2 scales (sample 1) or less than -2 scales (sample 2), perform the following steps: Sample 1 Sample 2 Figure 1-5-34 17. Open the front cover. Push the release button and pull out the waste toner tray. 18.
  • Page 243 1-5-4 Image formation section (1) Detaching and refitting the image formation holder Procedure 1. Open the front cover. 2. Turn the toner container lock lever for the toner container counterclockwise to release the lock. Front cover 3. Remove four toner containers. Lock lever Toner container Figure 1-5-36...
  • Page 244 6. Remove the screw and then open the con- nector cover. Connector cover Screw Figure 1-5-38 7. Remove the connector. Connector Figure 1-5-39 1-5-22...
  • Page 245 8. Remove five screws of the image formation holder. Figure 1-5-40 9. Press the two holder levers to unlock. Figure 1-5-41 1-5-23...
  • Page 246 10. Remove the image formation holder. When refitting the image formation holder, first insert the left pin into the machine and then insert the right pin. Figure 1-5-42 1-5-24...
  • Page 247 (2) Detaching and refitting the developing unit Follow the procedure below to replace the developing unit. Example of detaching and refitting: developing unit Y Procedure 1. Remove the image formation holder (see page 1-5-21). 2. Close the toner replenishment lid. 3.
  • Page 248 (3) Detaching and refitting the drum unit Follow the procedure below to replace the drum unit. Caution Avoid direct sunlight and strong light when detaching and refitting the drum unit. Never touch the drum surface. Example of detaching and refitting: drum unit Y Procedure 1.
  • Page 249 (4) Detaching and refitting the charger roller unit Follow the procedure below to replace the charger roller unit. Example of detaching and refitting: charger roller unit Y Procedure 1. Remove the image formation holder (see page 1-5-21). 2. Remove the screw and then remove the charger roller unit Y.

  • Page 250: Transfer Section

    1-5-5 Transfer section (1) Detaching and refitting the transfer belt unit Follow the procedure below to replace the transfer belt unit. Procedure 1. Remove the fuser unit (see page 1-5-31). 2. Remove the connector. 3. While lifting the “A” sections, remove the transfer belt unit from the machine.
  • Page 251 (2) Detaching and refitting the transfer roller Follow the procedure below to replace the transfer roller. Procedure 1. Open left cover 1. 2. Using a flat-blade screwdriver, remove the left transfer guide by prying the protrusion off the hole. 3. Remove the screw and then remove the flat-blade ground terminal and varistor terminal.
  • Page 252 5. Remove the cut washer, bearing, stop ring, gear, pin, transfer stopper, transfer bush and Transfer roller argent transfer spring from the transfer roller rear. Remove the cut washer, bearing, transfer Transfer stopper, transfer bus and black transfer stopper spring from the transfer roller front. 6.
  • Page 253 1-5-6 Fuser section (1) Detaching and refitting the fuser unit Follow the procedure below to replace the fuser unit. Procedure 1. Open left cover 1. 2. Remove two screws and then remove the fuser unit. Fuser unit Screw Left cover 1 Screw Figure 1-5-53 3.
  • Page 254 1-5-7 Other (1) Detaching and refitting the left filter, rear upper filter, right filter 1/2, rear lower filter, front filter and duct filter Follow the procedure below to replace the left filter, rear upper filter, right filter 1/2, rear lower filter, front filter and duct fil- ter.
  • Page 255 9. Remove the right filter 1 from machine right side. 10. Clean or replace the right filter 1 and refit the filter. 11. Remove the right filter 2 from machine right side. Right filter 2 12. Clean or replace the right filter 2 and refit the filter.
  • Page 256 (2) Detaching and refitting the hard disk unit Follow the procedure below to replace the hard disk unit. Procedure 1. Perform maintenance mode U917 (backup data reading) (see page 1-3-99). 2. Remove the rear middle cover (see page 1- 5-11). 3.
  • Page 257 8. Remove four hooks and then remove the hard disk unit. Hard disk unit Hook Hook Hook Hook Figure 1-5-60 1-5-35...
  • Page 258 9. Pressing the lock lever and then remove the power connector and the connector. 10. Replace the hard disk unit and refit all the Lock lever removed parts. 11. Perform maintenance mode U024 (HDD ini- tializing) (see page 1-3-20). 12. Perform maintenance mode U917 (backup data writing) (see page 1-3-99).
  • Page 259 (3) Detaching and refitting the left cover 1 (paper conveying unit) Follow the procedure below to replace the left cover 1 (paper conveying unit). Procedure 1. Open the left cover 3. 2. Remove two straps and then remove left Strap cover 3.
  • Page 260 5. Remove the connector. Connector Figure 1-5-64 6. Release the wire saddle and pull the con- nector out of the machine rear frame. 7. Remove the spring. Connector Wire saddle Spring Figure 1-5-65 1-5-38...
  • Page 261 8. Remove cassette 1 and 2. 9. Remove two screws. 10. Release the hook and then remove the front left cover 2. Screws Hook Front left cover 2 Figure 1-5-66 11. Close the left cover 1 (paper conveying unit). 12. Remove two screws and then remove the left lower cover 1.
  • Page 262 13. Remove the screw and then remove the ter- minal. 14. Remove the wire from two hooks. Wire Wire Terminal Hooks Screw Figure 1-5-68 15. Open the left cover 1 (paper conveying unit). Screw 16. Remove the wire from pin. Wire 17.
  • Page 263 18. Raise the pin and slide it. 19. Remove the left cover 1 (paper conveying unit). 20. Replace the left cover 1 (paper conveying unit) and refit all the removed parts. Left cover 1 (paper conveying unit) Figure 1-5-70 1-5-41...
  • Page 264 (4) Direction of installing the principal fan motors When detaching or refitting the fan motors, be careful of the airflow direction (intake or exhaust). Main fan motor Eject fan motor (Rating label: inside) (Rating label: outside) Intake Intake Exhaust Developing fan motor 5 (Rating label: inside) Fuser fan motor (Rating label: outside)
  • Page 265 1-6 Requirements on PWB Replacement 1-6-1 Upgrading the firmware Follow the procedure below to upgrade the firmware of main PWB, engine PWB and MMI. Procedure 1. Check the ROM version Perform maintenance item U000 (maintenance report output) and check U019 ROM version. 2.
  • Page 266 1-6-2 Remarks on main PWB replacement When replacing the main PWB, remove the EEPROM from the main PWB that has been removed and then reattach it to the new main PWB. EEPROM DIMM Main PWB Figure 1-6-2 1-6-2...
  • Page 267 When removing YC1, YC3, YC4, YC8 and YC9 from the main PWB, press the lock lever. Locl lever Connector (YC3, YC4) Locl lever Connector (YC3) Connector (YC4) Lock lever Connector Connector (YC1) (YC8, YC9) Lock lever Connector (YC9) Lock lever Connector (YC1) Connector (YC8)
  • Page 268 1-6-3 Remarks on engine PWB replacement When replacing the engine PWB, remove the EEPROM from the engine PWB that has been removed and then reattach it to the new engine PWB. Engine PWB EEPROM Figure 1-6-4 1-6-4...
  • Page 269 2-1 Mechanical Construction 2-1-1 Paper feed section (1) Cassette paper feed section Cassette paper feed section consists of the paper holder with the cassette operation plate activated by lift motor 1 and 2, and the pulleys, such as the forwarding pulley, the paper feed pulley and the separation pulley, for extracting and convey- ing the paper.
  • Page 270 FPWB EPWB REG JAM YC20-B3 REG_BP,AP,BN,AN REG MT DR YC22-2 ROL_BP,AP,BN,AN ROL MT DR YC22-5 FEED1 JAM YC20-B6 FSW1 CAS1 LFT UP YC20-A12 LSW1 PFCL1 CAS1 EMPTY YC20-A11 PSW1 FED1 CLT REM YC20-B2 ROL UP1 CLT REM YC20-B8 FCL1 LFT1 MT DR YC20-A16 FSW2 PLSW1...
  • Page 271 (2) MP tray paper feed section Pressing the start key activates the MP solenoid (MPSOL) to release the paper stopper, which in turn causes the MP for- warding pulley mounted on the MP support to descend. In turn, the MP forwarding pulley comes in contact with the paper placed on the MP tray is fed forward as the MP forward pulley rotates and forwarded to the MP paper feed pulley and the MP separation pulley.
  • Page 272 EPWB MPF_MOT_DR YC24-3 MPF PPR SET YC23-11 MPFFED CLT REM YC10-B18 PCCL MPPSW MPF CLT REM MPPLSW YC23-20 PFCL MPPWSW MPSOL MPF JAM1 YC23-14 MPPFSW MPF SOL DR YC23-17,18 MPF_WIDTH1,2,3 YC23-6,7,8 MPF LENGTH YC23-2 Figure 2-1-4 MP tray paper feed section block diagram (1) 2-1-4...
  • Page 273 Figure 2-1-5 MP tray paper feed section (2) MP paper conveying base MP paper conveying switch MP paper conveying cover (MPPCSW) MP paper conveying roller 1 Actuator MP paper conveying roller 2 (MP paper conveying switch) MP paper conveying roller 3 Middle roller MP paper conveying pulley (10) Middle pulley...

  • Page 274: Drum Section

    2-1-2 Drum section (1) Drum section The drum section consists of the charger roller unit, drum and cleaning section. The drum is electrically charged uniformly by means of a charger roller to form a latent image on the surface. The cleaning section consists of the cleaning blade and the cleaning roller which remove residual toner from the drum surface after transfer.
  • Page 275 EPWB FRPWB-S Cleaning Drum unit M DRM-M roller M DRM1_POS YC19-2 DPS-M Drum M ERS1_DR YC19-1 CL-M Main chager high voltage EEP SCL DRPWB-M YC7-4 EEP SDA EEPROM YC7-5 Charger roller M Drum unit C Cleaning DRM-C roller C DRM2_POS YC19-6 DPS-C Drum C...

  • Page 276: Developing Section

    2-1-3 Developing section (1) Developing section The dual component developing system develops magnetic brushes (of developer) around the magnet roller. The toner moves onto the sleeve roller which is positioned parallel to the drum and generates a thin layer of toner. The sleeve roller is pressed against the drum with the DS pulley for developing static latent image.
  • Page 277 Sleeve Developing MHVPWB FRPWB-S EPWB roller M unit M Sleeve bias Magnet roller M YC8-2 EEPROM YC8-3 TPD1 TPD1 YC8-5 YC19-3 Magnet VCONT1 VCONT1 bais YC8-7 YC19-4 PWB-M TS-M Sleeve Developing roller C unit C Sleeve bias Magnet roller C YC6-2 EEPROM YC6-3...
  • Page 278 2-1-4 Optical section (1) Laser scanner section The image data is processed on the main PWB (MPWB) and transmitted from engine PWB (EPWB) as image printing data to the laser scanner unit (LSU). By repeatedly turning the laser on and off, the laser scanner unit forms a latent image on the drum surface.
  • Page 279 To drums Laser scanner unit (LSU) EPWB APC3_CNT Laser YC13-A7 Lens B diode ENBL3 LDU mirror YC13-A9 S/H3 APCPWB-Y YC13-A10 VDO3_P YC13-A11 Collimate VDO3_N YC13-A12 lens Mirror B Laser beam APC1_CNT YC13-A14 ENBL1 YC13-A16 S/H1 Lens A APCPWB-M YC13-A17 VDO1_P YC13-A18 VDO1_N YC13-A19...
  • Page 280 2-1-5 Transfer/separation section (1) Primary transfer section There are four primary transfer rollers opposed to each color drum inside of transfer belt, toner on the drum is transferred to transfer belt by impressed bias voltage (minus). Remaining toner on the transfer belt is cleaned by fur brush. 16 17 Figure 2-1-13 Primary transfer section Drive roller...
  • Page 281 TBSPWB Pre brush brush Primary Primary Primary Primary transfer transfer transfer transfer roller K roller Y roller C roller M EPWB Primary RLS SET transfer bias M PWB1 YC28-B11 Primary RLS MT DR YC28-B13 transfer bias C BLT SPEED Primary YC28-B2 transfer bias Y BLT SET...
  • Page 282 (2) Secondary transfer/separation section The secondary transfer/separation section consists mainly of the transfer (TC) roller and separation discharge plate. A high voltage generated by the transfer high voltage PWB 2 (THVPWB2) is applied to the transfer (TC) roller for second- ary transfer charging.
  • Page 283 2-1-6 Fuser section (1) Fuser section The fuser section consists of the parts shown in figure below. When paper reaches the fuser section after the secondary transfer process, it passes between the press roller and melt belt. Pressure is applied by the fuser unit pressure springs so that the toner on the paper is melted, fused and fixed onto the paper.
  • Page 284 FSR NCTH2 YC11-2 FSR NCTH1 YC11-3 FSR TH1 YC11-5 FSR TH2 YC11-7 FTH3 FTS2 EPWB FTH1 FTS1 FTH2 PSPWB FSR_PREHEAT_DRn H_LIVE YC4-9 YC10-7 YC4-1 FSR_SUBHEAT_DRn PR_OUT YC4-11 YC10-5 YC4-3 FSR_MAINHEAT_DRn SH_OUT YC4-10 YC10-6 YC4-2 MH_OUT YC4-4 FSR MOT DR YC25-B4 FSR_CLT YC25-B10 FUCL...
  • Page 285 2-1-7 Eject/feedshift section (1) Eject/feedshift section The eject/feedshift sections switch the paper path based on the copy mode and eject paper or convey the paper to the duplex section. For duplex copy mode, the paper for which copying on the rear side has been completed is conveyed to the duplex section by the feedshift section operation.
  • Page 286 EJPWB OP_MOT_A,B,AN,BN FRPWB-M YC5-1,2,3,4 OP2 SOL DR FSSOL2 YC2-2,3 PAPER FULL YC2-14 OP_Du JAM FSSW YC3-2 OP1 SOL DR FSSOL1 YC4-1,3 FACEDOWN JAM YC2-8 ESW2 FUSER PI ESW1 YC2-11 YC28,35 YC25-A5 YC25-A5 PAPER FULL YC18-B7 YC5-B13 FACEDOWN JAM YC25-B5 YC5-B15 FUSER PI YC25-B6 YC5-B14...

  • Page 287: Duplex Section

    2-1-8 Duplex section (1) Duplex section In duplex mode, after printing on to the reverse face of the paper, the paper is reversed in the feedshift section and con- veyed to the duplex section. The paper is then conveyed to the paper feed section by the duplex B roller and duplex A roller.
  • Page 288 FPWB EPWB DU OPEN LC1SW YC20-B15 DU AN YC14-B10 DU BN YC14-B11 DU MT DR DU AP YC20-A3 YC8-A18 YC14-B12 DU BP YC14-B13 DU JAM DUSW YC20-B16 Figure 2-1-22 Duplex section block diagram 2-1-20...

  • Page 289: Electrical Parts Layout

    2-2 Electrical Parts Layout 2-2-1 Electrical parts layout (1) PWBs Machine front Machine inside Machine rear Figure 2-2-1 PWBs Engine PWB (EPWB)........Controls the other PWBs, electrical components and optional devices. Main PWB (MPWB) ........Controls the image processing and operation panel. Power source PWB (PSPWB) .....
  • Page 290 12. Motor control PWB (MCPWB)...... Consists of wiring relay circuit between engine PWB and drum motors and transfer motor. 13. Eject PWB (EJPWB) ........Consists of wiring relay circuit between engine PWB and each electrical component (eject section). 14. Drum PWB M (DRPWB-M) ......Drum individual information in EEPROM storage on the drum unit M. 15.
  • Page 291 List of correspondences of PWB names Name used in service manual Name used in parts list Engine PWB (EPWB) PARTS PWB ENGINE ASSY SP Main PWB (MPWB) PARTS PWB MAIN ASSY SP Power source PWB (PSPWB) PARTS UNIT LOW VOLTAGE Operation panel PWB (OPPWB) PARTS PWB PANEL ASSY SP Main high voltage PWB (MHVPWB)
  • Page 292 (2) Switches and sensors Machine front Machine inside Machine rear Figure 2-2-2 Switches and sensors Main power switch (MSW) ......Turns the AC power on and off. Interlock switch (ILSW) ........ Turns the AC power for the fuser heaters on and off. Front cover switch (FCSW)......
  • Page 293 21. Feed switch 2 (FSW2) ......... Detects a paper misfeed in the paper cassette paper feed section. 22. Feed switch 3 (FSW3) ......... Detects a paper misfeed in the paper cassette paper feed section. 23. Registration switch (RSW) ......Controls the secondary paper feed start timing. 24.
  • Page 294 (3) Motors 38,39 Machine front Machine inside Machine rear Figure 2-2-3 Motors Lift motor 1 (LM1)......... Drives the cassette operation plate and detects the paper level in cas- sette 1. Lift motor 2 (LM2)......... Drives the cassette operation plate in and detects the paper level in cas- sette 2.
  • Page 295 19. Cleaning motor MCY (CLM-MCY) ....Drives the cleaning rollers M,C,Y. 20. Developing motor K (DEVM-K) ....Drives the developing unit K. 21. Cleaning motor K (CLM-K)......Drives the cleaning roller K. 22. Transfer motor (TRM) ........Drives the transfer belt. 23.
  • Page 296 (4) Others Machine front Machine inside 24,25 Machine rear Figure 2-2-4 Others Paper feed clutch 1 (PFCL1) ....... Primary paper feed from cassette 1. Paper feed clutch 2 (PFCL2) ....... Primary paper feed from cassette 2. Feed clutch 1 (FCL1) ........Controls the drive of upper feed roller. Feed clutch 2 (FCL2) ........
  • Page 297 21. Fuser thermistor 3 (FTH3) ......Detects the press roller temperature. 22. Fuser thermostat 1 (FTS1)......Prevents overheating of the melt belt (heat roller). 23. Fuser thermostat 2 (FTS2)......Prevents overheating of the press roller. 24. Cassette heater 1 (CH1) ......Dehumidifies the cassette section. 25.
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  • Page 299: Power Source Pwb

    2-3 Operation of the PWBs 2-3-1 Power source PWB YC13 IC602 IC901 YC12 YC10 IC701 (WHITE) (BLACK) Figure 2-3-1 Power source PWB silk-screen diagram 2-3-1...
  • Page 300 Connector Pin No. Signal Voltage Description AC_LIVE 120 V AC AC power input 220-240 V AC Connected to AC_NEUTRAL 120 V AC AC power input the inlet and 220-240 V AC main power HEATER LIVE Not used switch MSW_IN 120 V AC AC power input from MSW 220-240 V AC Connected to...
  • Page 301 Connector Pin No. Signal Voltage Description +12V 12 V DC 24 V DC power to HDD Connected to +12V 12 V DC 24 V DC power to HDD the hard disk 5 V DC 5 V DC power to HDD 5 V DC 5 V DC power to HDD Ground...

  • Page 302: Engine Pwb

    2-3-2 Engine PWB YC23 YC26 YC12 YC13 YC38 YC35 YC34 YC37 YC19 YC11 YC22 YC21 YC20 YC18 Figure 2-3-2 Engine PWB silk-screen diagram 2-3-4...
  • Page 303 Connector Pin No. Signal Voltage Description DISCHARGE1 0/3.3 V DC Main charger M control signal Connected to DISCHARGE2 0/3.3 V DC Main charger C control signal the main high DISCHARGE3 0/3.3 V DC Main charger Y control signal voltage PWB DISCHARGE4 0/3.3 V DC Main charger K control signal...
  • Page 304 Connector Pin No. Signal Voltage Description VD_DN0 0/3.3 V DC (pulse) Image control signal Connected to VD_AP1 0/3.3 V DC (pulse) Image control signal the main VD_DP1 0/3.3 V DC (pulse) Image control signal VD_AN1 0/3.3 V DC (pulse) Image control signal VD_DN1 0/3.3 V DC (pulse) Image control signal VD_AP2...
  • Page 305 Connector Pin No. Signal Voltage Description SGND Ground Connected to SGND Ground the main HSYNC_DP 0/3.3 V DC (pulse) Image control signal VSYNC_DP 0/3.3 V DC (pulse) Image control signal HSYNC_DN 0/3.3 V DC (pulse) Image control signal VSYNC_DN 0/3.3 V DC (pulse) Image control signal HSYNC_CP 0/3.3 V DC (pulse) Image control signal VSYNC_CP...
  • Page 306 Connector Pin No. Signal Voltage Description +24V1 24 V DC 24 V DC power to THVPWB1 Connected to PGND Ground the transfer FB_REM 0/3.3 V DC Primary transfer cleaning bias: On/Off high voltage T1_REM 0/3.3 V DC Primary transfer bias: On/Off PWB 1 T1_CL_OFF 0/3.3 V DC...
  • Page 307 Connector Pin No. Signal Voltage Description YC10 CAS2 WIDTH2 0/3.3 V DC PWSW2: On/Off Connected to CAS2 WIDTH1 0/3.3 V DC PWSW2: On/Off the main high SGND Ground voltage PWB, CAS1 WIDTH3 0/3.3 V DC PWSW1: On/Off MP conveying unit switch, CAS1 WIDTH2 0/3.3 V DC PWSW1: On/Off...
  • Page 308 Connector Pin No. Signal Voltage Description YC13 SCCLK 0/3.3 V DC (pulse) PM clock signal Connected to SCRDY 0/3.3 V DC PM ready signal the polygon SCREM 0/3.3 V DC PM: On/Off motor, APC SGND Ground PWB M/C/Y/K and PD PWB +24V1 24 V DC 24 V DC power to PM...
  • Page 309 Connector Pin No. Signal Voltage Description YC14 PGND Ground Connected to PGND Ground the motor PGND Ground control PWB +24V1 24 V DC 24 V DC power to MCPWB +24V1 24 V DC 24 V DC power to MCPWB +24V1 24 V DC 24 V DC power to MCPWB +24V1...
  • Page 310 Connector Pin No. Signal Voltage Description YC16 Not used Connected to DLP_CL_MT_CLK 0/3.3 V DC (pulse) DEVM-MCY clock signal the develop- DLP_CL_MT_DIR 0/3.3 V DC DEVM-MCY drive switch signal ing motor DLP_CL_MT_DR 0/3.3 V DC DEVM-MCY: On/Off MCY, clean- ing motor DLP_CL_MT_RDY 0/3.3 V DC DEVM-MCY ready signal...
  • Page 311 Connector Pin No. Signal Voltage Description YC18 +24V2 24 V DC 24 V DC power to FRPWB-M Connected to +24V2 24 V DC 24 V DC power to FRPWB-M the main front +24V2 24 V DC 24 V DC power to FRPWB-M SGND Ground +3.3V1...
  • Page 312 Connector Pin No. Signal Voltage Description YC19 ERS1_DR 24/0 V DC CL-M: On/Off Connected to DRM1_POSITION 0/3.3 V DC DPS-M: On/Off the sub front TPD1 Analog TS-M detection signal DLP_VCONT1 Analog TS-M control signal ERS2_DR 24/0 V DC CL-C: On/Off DRM2_POSITION 0/3.3 V DC DPS-C: On/Off...
  • Page 313 Connector Pin No. Signal Voltage Description YC20 MPF2 JAM 0/3.3 V DC MPPCSW: On/Off Connected to FEED1 JAM 0/3.3 V DC FSW1: On/Off the feed PWB ROL UP2 CLT 0/24 V DC MCL: On/Off REG UP1 CLT 0/24 V DC RCL: On/Off LOOP SENS 0/3.3 V DC...
  • Page 314 Connector Pin No. Signal Voltage Description YC23 PGND Ground Connected to MPF JAM1 0/3.3 V DC MPPFSW: On/Off the MP paper +5V1 5 V DC 5 V DC power to MPPFSW size length +24V1 24 V DC 24 V DC power to MPSOL switch, MP tray switch, MPF SOL1 DR...
  • Page 315 Connector Pin No. Signal Voltage Description YC26 CONTAIN_MT_CLK 0/3.3 V DC (pulse) TCM clock signal Connected to CONTAIN_MT_DIR 0/3.3 V DC TCM drive switch signal the toner con- CONTAIN_MT_DR 0/3.3 V DC TCM: On/Off tainer motor, CONTAIN_MT_RDY 0/3.3 V DC TCM ready signal developing fan motor 3/4...
  • Page 316 Connector Pin No. Signal Voltage Description YC28 +5V1 5 V DC 5 V DC power to EJPWB Connected to JOB EXIT JAM2 0/5 V DC FSSW: On/Off the eject JOB EXIT JAM1 Not used PWB, top SGND Ground cover switch, eject fan PGND Ground...
  • Page 317 Connector Pin No. Signal Voltage Description YC30 +5V1 5 V DC 5 V DC power to HVCPWB Connected to +5V1 5 V DC 5 V DC power to HVCPWB the high volt- SGND Ground age control SGND Ground PWB SCLK BUF 0/3.3 V DC (pulse) HVCPWB clock signal PWB SDI BUF 0/3.3 V DC (pulse) HVCPWB serial communication data signal...

  • Page 318: Main Pwb

    2-3-3 Main PWB YC14 YC18 U100 YC15 BAT1 YC23 YC25 CODE Figure 2-3-3 Main PWB silk-screen diagram 2-3-20...
  • Page 319 Connector Pin No. Signal Voltage Description Ground Connected to 0/3.3 V DC (pulse) Transmission data the hard disk 0/3.3 V DC (pulse) Transmission data Ground 0/3.3 V DC (pulse) Received data 0/3.3 V DC (pulse) Received data Ground EG_SCLK 0/3.3 V DC (pulse) EPWB clock signal Connected to HLD_ENG 0/3.3 V DC...
  • Page 320 Connector Pin No. Signal Voltage Description VD B1 N 0/3.3 V DC (pulse) Image control signal Connected to VD C1 N 0/3.3 V DC (pulse) Image control signal the engine VD B2 P 0/3.3 V DC (pulse) Image control signal VD C2 P 0/3.3 V DC (pulse) Image control signal VD B2 N...
  • Page 321 Connector Pin No. Signal Voltage Description YC5-1 3.3 V DC 3.3 V DC power output Connected to 0/3.3 V DC (pulse) Transmission data the ethernet 0/3.3 V DC (pulse) Transmission data 0/3.3 V DC (pulse) Received data 0/3.3 V DC (pulse) Received data 3.3 V DC 3.3 V DC power output CAT PHY...
  • Page 322 Connector Pin No. Signal Voltage Description 0/3.3 V DC (pulse) Data bus signal Connected to 0/3.3 V DC (pulse) Data bus signal the interface Ground Ground 0/3.3 V DC (pulse) Data bus signal 0/3.3 V DC (pulse) Data bus signal 0/3.3 V DC (pulse) Data bus signal 0/3.3 V DC (pulse) Data bus signal 0/3.3 V DC (pulse) Data bus signal...
  • Page 323 Connector Pin No. Signal Voltage Description EXTBOEN 0/3.3 V DC (pulse) EXTBOEN signal Connected to CFWEN0 0/3.3 V DC (pulse) CFWEN0 signal the interface EXTBDIR 0/3.3 V DC (pulse) EXTBDIR signal CFRST0 0/3.3 V DC CFRST0 signal CF0CSN0 0/3.3 V DC (pulse) CF0CSN0 signal CFWAITN0 0/3.3 V DC CFWAITN0 signal...
  • Page 324 Connector Pin No. Signal Voltage Description YC100 +3.3V 3.3 V DC 3.3 V DC power to OPPWB Connected to Ground the operation FPRST 0/3.3 V DC OPPWB reset signal panel PWB FPTXD 0/3.3 V DC (pulse) OPPWB serial communication data signal FPD_SEL 0/3.3 V DC OPPWB select signal...
  • Page 325 2-3-4 Main front PWB Figure 2-3-4 Main front PWB silk-screen diagram 2-3-27...
  • Page 326 Connector Pin No. Signal Voltage Description SEP CONT Analog Separation bias control voltage Connected to SEP REM 0/3.3 V DC Separation bias: On/Off the transfer T2 INV CONT Analog Secondary transfer (reverse) bias control voltage high voltage T2 CONT Analog Secondary transfer bias control voltage PWB 2 and outer temper-...
  • Page 327 Connector Pin No. Signal Voltage Description Ground Connected to 0/3.3 V DC (pulse) DEVPWB-K EEPROM data signal the develop- 0/3.3 V DC (pulse) DEVPWB-K EEPROM clock signal ing PWB K +3.3V1 3.3 V DC 3.3 V DC power to DEVPWB-K TPD4 Analog TS-K detection signal...
  • Page 328 Connector Pin No. Signal Voltage Description +3.3V1 3.3 V DC 3.3 V DC power to FRPWB-S Connected to +5V1 5 V DC 5 V DC power to FRPWB-S the sub front +24V1 24 V DC 24 V DC power to FRPWB-S EEP SCLK 0/3.3 V DC (pulse) EEPROM clock signal EEP SDA...
  • Page 329 2-3-5 Sub front PWB YC10 Figure 2-3-5 Sub front PWB silk-screen diagram 2-3-31...
  • Page 330 Connector Pin No. Signal Voltage Description +3.3V1 3.3 V DC 3.3 V DC power to FRPWB-S Connected to +5V1 5 V DC 5 V DC power to FRPWB-S the main front +24V1 24 V DC 24 V DC power to FRPWB-S EEP SCLK 0/3.3 V DC (pulse) EEPROM clock signal EEP SDA...
  • Page 331 Connector Pin No. Signal Voltage Description ERASER C 24 V DC 24 V DC power to CL-C Connected to ERS DR 24/0 V DC CL-C: On/Off the cleaning +3.3V1 3.3 V DC 3.3 V DC power to DRPWB-C lamp C, drum EEP SCL 0/3.3 V DC (pulse) DRPWB-C EEPROM clock signal PWB C and...
  • Page 332 Connector Pin No. Signal Voltage Description FDLP FAN1 0/24 V DC DEVFM1: On/Off Connected to +24V1 24 V DC 24 V DC power to DEVFM1 the develop- FDLP FAN2 0/24 V DC DEVFM2: On/Off ing fan motor +24V1 24 V DC 24 V DC power to DEVFM2 1/2 and waste toner full...
  • Page 333 2-3-6 Feed PWB YC13 YC11 YC12 YC10 YC15 Figure 2-3-6 Feed PWB silk-screen diagram 2-3-35...
  • Page 334 Connector Pin No. Signal Voltage Description +24V2 24 V DC 24 V DC power to PFCL2 Connected to FED2 CLT REM 0/24 V DC PFCL2: On/Off the paper feed clutch 2 +24V2 24 V DC 24 V DC power to PCM Connected to +24V2 24 V DC...
  • Page 335 Connector Pin No. Signal Voltage Description REG_BP 0/24 V DC (pulse) RM drive control signal Connected to REG_AP 0/24 V DC (pulse) RM drive control signal the registra- REG_BN 0/24 V DC (pulse) RM drive control signal tion motor REG_AN 0/24 V DC (pulse) RM drive control signal and middle motor...
  • Page 336 Connector Pin No. Signal Voltage Description FEED1 JAM 0/3.3 V DC FSW1: On/Off Connected to MPF2 JAM 0/3.3 V DC MPPCSW: On/Off the engine LSU SOL DR 0/24 V DC LSUCSOL: On/Off REG JAM 0/3.3 V DC RSW: On/Off FED1 CLT REM 0/24 V DC PFCL1: On/Off MT_PD...
  • Page 337 Connector Pin No. Signal Voltage Description YC14 LOOP SENS Analog LS: On/Off Connected to Ground the loop sen- +5V1 5 V DC 5 V DC power to LS sor, JAM LED Not used PWB 1/2, loop fan BELT JAM Not used motor, left +5V1 Not used...
  • Page 338 2-3-7 Operation panel PWB SW10 Figure 2-3-7 Operation panel PWB silk-screen diagram 2-3-40...
  • Page 339 Connector Pin No. Signal Voltage Description +3.3V 3.3 V DC 3.3 V DC power to OPPWB Connected to Ground the main FPRST 0/3.3 V DC OPPWB reset signal FPTXD 0/3.3 V DC (pulse) OPPWB serial communication data signal FPD_SEL 0/3.3 V DC OPPWB select signal FPCTS 0/3.3 V DC...
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  • Page 341: Maintenance Parts List

    2KA-2 2-4 Appendixes Maintenance parts list Maintenance part name Alternative part Part No. Name used in service manual Name used in parts list Paper feed pulley PULLEY,PAPER FEED 2AR07220 Separation pulley PULLEY,SEPARATION 2AR07230 Forwarding pulley PULLEY FEED A 2BJ06010 MP paper feed pulley PULLEY,SEPARATION 2AR07230 MP separation pulley...

  • Page 342: Maintenance Kits

    2KA-2 Maintenance kits Maintenance part name Alternative part Part No. Name used in service manual Name used in parts list Maintenance kit A MK-880A/MAINTENANCE KIT 1702KA7US0 072KA7US (for 120 V specifications) Drum unit K DRUM 50 UNIT Transfer belt unit PARTS TRANSFER BELT UNIT Developing unit K DLP K UNIT...

  • Page 343: Periodic Maintenance Procedures

    Periodic maintenance procedures Maintenance 300K/ Section User call Points and cautions Page part/location 600K/900K Test print Perform at the maxi- Test print Test print mum size Maintenance 300K/ Section User call Points and cautions Page part/location 600K/900K Paper feed Paper feed pulley Check Check Clean with alcohol or a dry cloth.
  • Page 344 Maintenance 300K/ Section User call Points and cautions Page part/location 600K/900K Transfer Transfer belt unit Replace Replace after feeding 300,000 sheets. P.1-5-28 section Transfer roller Replace Replace after feeding 300,000 sheets. P.1-5-29 Maintenance 300K/ Section User call Points and cautions Page part/location 600K/900K...
  • Page 345 Maintenance 300K/ Section User call Points and cautions Page part/location 600K/900K Covers Covers Clean Clean with alcohol or a dry cloth. Maintenance 300K/ Section User call Points and cautions Page part/location 600K/900K Other Rear upper filter Replace Replace after feeding 300,000 sheets. P.1-5-32 Left filter Replace...
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  • Page 347 2KA-2 Chart of image adjustment procedures Maintenance mode Adjusting Item Image Description Original Page Remarks order Item No. Mode Adjusting the magnification in the Polygon motor speed adjustment U053 Polygon U053 test pattern P.1-3-31 main scanning direction (printing adjustment) Adjusting the magnification in the Transfer motor speed adjustment U053 U053 test pattern...
  • Page 348 Wiring diagram No.1 VCONT1 VCONT1 +3.3V1 +3.3V1 VCONT4 VCONT4 +24V1 +24V1 +5V1 +5V1 +24V1 +24V1 TS-M TS-K TPD1 TPD1 +24V1 +24V1 TPD4 TPD4 +3.3V1 +3.3V1 EEP SCLK EEP SCLK +3.3V1 +3.3V1 TPD1 TPD1 EEP SDA EEP SDA TPD4 TPD4 +24V1 +24V1 FRONT OPEN FRONT OPEN...
  • Page 349 Wiring diagram No.2 YC10 MPF UNIT SET MPCUSW YC12 SGND +3.3V1 SGND CAS1 LENGTH PLSW1 SEC DATA SGND SEC CLK CAS2 LENGTH PLSW2 SGND YC23 MP tray FAN SP Relay FAN SP TRFM4 Cassette 2 +24V1 connector +24V1 5V SENSOR LED MPPLSW MPF LENGTH N.C.
  • Page 350 Wiring diagram No.3 CN101 YC16 +24V +24V1 +24V +24V1 PGND PGND PGND PGND CLM-MCY YC11 LOCK DRIVE RUB1 _ MT _ RDY RUB1 _ MT _ DR START/STOP SGND SGND Relay RUB1 _ MT _ DIR FSR NCTH2 FSR NCTH2 FTH2 connector RUB1 _ MT _ CLK...
  • Page 351 Wiring diagram No.4 to Y ID/Regist +5V1 +5V1 Relay +5V3 INTEMS2 DLP _ TEMP connector +24V1 +24V1 +5V1 +5V1 +24V1 +24V1 DH3 _ NEUTRAL IDS1 REG _ 1S REG _ 1S YC10 DH3 _ NEUTRAL REG _ 1P REG _ 1P FSR _ RELAY FSR _ RELAY REG _ LED1...
  • Page 352 Wiring diagram No.5 REG _ BP REG _ AP REG _ BN YC21 REG _ AN +24V2 +24V2 +24V2 +24V2 +24V2 +24V2 PGND PGND ROL _ BP ROL _ AP PGND PGND ROL _ BN PGND PGND ROL _ AN PGND PGND +5V1...
  • Page 353 Wiring diagram No.6 ECPWB-M ECPWB-Y OUT B OUT B OUT U +5V1 OUT U +5V1 OUT V SGND OUT V SGND OUT W OUT A OUT W OUT A +5V1 +5V1 PGND PGND DRM-M DRM-Y HALL _ M _ U HALL _ Y _ U ECPWB-M ECPWB-Y...
  • Page 354 Wiring diagram No.7 YC5-1 CAT PHY Ethernet ANO PHY CAT MAC ANO MAC LockPin1 LockPin2 LockPin3 LockPin4 YC5-2 VBUS DATA- 3.3V DATA+ USB(PC) 3.3V 3.3V LockPin1 LockPin2 YC19 VBUS DATA- DATA+ Type A LockPin1 LockPin2 +12V +12V YC20 VBUS DATA- DATA+ Type A MPWB...
  • Page 355 Wiring diagram No.8 MPWB AUDIO AUDIO SEL AUDIO0 SEL AUDIO0 AUDIO AUDIO SEL AUDIO1 SEL AUDIO1 +3.3V +3.3V _ REG _ REG CD2N CD2N REGN REGN OP"IF OP"IF OP2IR OP2IR WAITN WAITN RESET RESET RESET RESET CE2N CE2N CE1N CE1N TXDREQ TXDREQ +3.3V...
  • Page 356 INSTALLATION GUIDE INSTALLATION GUIDE FOR PAPER FEEDER...
  • Page 357 F Stopper R ............1 Precaution for unpacking English G Stopper L............1 Hold the positions shown in the figure and remove the paper feeder from the outer case. H S Tite screw M4 × 20 ........4 Supplied parts A Paper feeder..........1 Be sure to remove any tape and/or cushioning B Pin ..............
  • Page 358 Procedure 1. Pull each cassette out and then remove the 3. Remove the lower paper cassette (3) from Be sure to turn the MFP main power switch off lift plate stopper (1) from each cassette and the MFP. and disconnect the MFP power plug from the attach it to the storage location (2).
  • Page 359 4. Place the MFP (6) on top of the paper feeder 5. Secure the MFP (6) to the paper feeder (A) 6. Refit the lower paper cassette (3) removed in (A) with the positioning pins (4) at the front using the two pins (B). step 3 to the MFP.
  • Page 360 7. Remove the screw (7) at the rear side of the 8. Remove the screw (9) to remove the metal 9. Secure the (C) with the screw (E). retainer paper feeder to remove the cover (8). plate (10). 7. Retirer la vis (7) située sur le côté arrière du 8.
  • Page 361 10. Insert the 12-P connector (11) of the paper 12. Refit the cover (8) using the screw (7) 13. Turn the adjusters on each corner (15) until feeder into the connector (12) on the MFP. removed in step 7. they reach the floor and then secure the paper feeder.
  • Page 362 Attaching the stays (For monochrome machines only) 14. Select holes (16) and install each stopper (F,G) with 2 S Tite screws M4 × 20 (H) so that the stoppers will be grounded on the floor. Fixation des supports (Pour machines monochromes) 14.
  • Page 363 Changing paper size To change between inch size and metric 1. Holding the paper width adjusting tab,move 3. Move the size lever (18) up (C) or down (I). size,follow the steps below to adjust the size the paper width guide to a position other than C: metric size(centimeters) switch.
  • Page 364 Checking the center line 2. Load paper into the cassette and make a test 4. If the center of the paper (19) and that of the 1. Connect the MFP power plug to the wall copy to check the operation. test pattern output (20) do not meet the outlet and turn the MFP main power switch 3.
  • Page 365 Adjusting the center line 4. Output the test pattern again. 1. Open the cassette (21) of the paper feeder and loosen the three screws (23) securing the 5. Repeat steps 1 to 4 until the centers of the adjuster (22). paper and the test pattern meet the A and B: test pattern output examples reference value.
  • Page 366 INSTALLATION GUIDE FOR 3000 SHEETS PAPER FEEDER...
  • Page 367 F Longitudinal size adjuster Be sure to remove any tape and/or cushioning English (inch specifications only) ......2 material from supplied parts. G Round cross-head tapping screw, M3 × 8 (inch specifications only) ......2 Supplied parts Stopper ............2 A Paper feeder..........1 I S Tite screws M4 ×...
  • Page 368 Procedure 2. Place the MFP (4) on top of the paper feeder 3. Secure the MFP (4) to the paper feeder (A) Be sure to turn the MFP main power switch off (A) with the positioning pins (2) at the front using the two pins (B).
  • Page 369 4. Refit the lower paper cassette (1) removed in 6. Remove the screw (7) to remove the metal plate (8). step 1 to the MFP. 7. Pull out the wire (9) covered with the black tube in front of the frame. 5.
  • Page 370 9. Separate the wire (9) covered with the black tube and the signal wires as shown on the above 11. Turn the adjusters on each corner (12) until drawing, and install the retainer (C) using the screw (7) removed in step 6 and the two M4 ×...
  • Page 371 Steps 12 to 14 below are only for 13. Install each stopper (H) with 1 S Tite screw 14. Refit the back cover (14) using the 3 screws monochrome machines. M4 × 8 (I). (13) removed in step 12. 12. Remove 3 screws (13), and then remove the back cover (14).
  • Page 372 Setting the paper size 1. Pull out the cassette of the paper feeder. 2. Move the sliders(15) at the machine front At the time of shipping, the paper size is set to Remove the lower paper cassette from the and rear inward (two at each point). Letter for inch specifications and A4 for metric MFP.
  • Page 373 Letter Letter Letter 4. Insert the upper tabs (19) and lower tabs (20) of the front and rear lateral size adjusters (16) into the upper slots (21) and lower slots (22) respectively such that the size indicators (18) point to the size of paper to be used. Secure the lateral size adjusters using the screw (17) for each. Check the paper size at the position with the front and rear upper tabs (19) inserted into the upper slots (21).
  • Page 374 24 (G) 24 (G) 24 (G) 23 (F) 23 (F) 6. Remove the screw (24) and remove the longitudinal size adjusters (23). (metric specifications only) 8. Return the paper feeder cassette and the 7. Depending on the paper size, align either the A4 pins (26) or the B5 pins (27) with the pin holes lower cassette in the MFP to their original (25) in the longitudinal size adjusters (23), fit the adjusters and secure each of them with a screw positions.
  • Page 375 Checking the center line 2. Select maintenance mode U402 and print 3. If the center of the paper (28) and that of the 1. Connect the MFP power plug to the wall the test pattern. test pattern output (29) do not meet the outlet and turn the MFP main power switch reference value, perform the following adjustment.
  • Page 376 Adjusting the center line 6. Output a test pattern again. 4. Pull out the cassette of the paper feeder and loosen the three screws (31) securing the adjuster 7. Repeat steps 4 to 6 until the centers of the (30). paper and the test pattern meet the reference value.
  • Page 377 Adjusting the front cover position Note: If the position of the adjuster is changed, adjust the front cover position. If the front cover position is not proper, the cassette may not be fixed with the magnet or the gap between the front cover and the paper feeder body may be opened.

  • Page 378: Document Finisher

    INSTALLATION GUIDE FOR DOCUMENT FINISHER Output Connector for Interconnecting Cable is non-LPS. Output: 587 VA max. Please use the item below Interconnecting Cable/ P/N: 305JA71610...
  • Page 379 F Binding screw M4 × 14........2 When installing the document finisher to a full- English color MFP, use parts (G), (H), (I), (J), (K) and (L) G Guide plate ...........1 supplied with the job separator. H Fixing plate F ..........1 Supplied parts I Fixing plate R ..........1 A Document finisher ........
  • Page 380 Procedure [Steps 1 to 5 below are only for full- 2. To align the document finisher with the paper Before installing the document finisher, first color machines.] outlet of the MFP, slide the legs of the attach the job separator. 1.
  • Page 381 3. Secure the guide plate (G) using the 4. Fit the fixing plate F (H) and the fixing plate 5. Fit the latch catch (B) to the fixing plate F (H) shoulder screw (L) and an S Tite screw M4 × R (I) to the left cover (3) using two S Tite and the fixing plate R (I) using two S Tite 10 (K).
  • Page 382 [Steps 1 to 6 below are only for 3. Fit the curl eliminator (M) to the eject cover 5. Close the eject cover (1). monochrome machines.] (1) such that the projections (4) on the cover 6. Fit the latch catch (B) to the eject cover (1) 1.
  • Page 383 7. Tip the rail retainer (C) over in the direction 8. Orient the guide rail (D) such that its pulley (6) is positioned toward the MFP. of the arrow so that the retainer fits into the groove in the guide rail (D). Ensure that the plate spring (4) fits into the groove and that the edge (5) of the guide rail (D) fits between the rollers behind the rail...
  • Page 384 8.0 mm 8.0 mm 9. Secure the rail retainer (C) to the MFP using two M4 × 10 binding screws (F) such that the front 10. Insert the guide rail (D) into the bottom of the and the rear gaps between the floor and the rail retainer (C) are approximately 8.0 mm. document finisher (A).
  • Page 385 10mm 10mm Fitting and adjusting the guide rail 12. Secure the guide rail (D) with the two M4 x 6 11. While pressing the guide rail (D) to the document finisher (A) so that the gap between the guide binding screws (E) so that there is a gap of rail (D) and the floor is approximately 10 mm, secure it using two M4 ×...
  • Page 386 13. Loosen temporarily the two screws (8) that secure the sheet metal (7) of the rail mounting plate 14. Slide the document finisher to engage it with (C) on the MFP , raise the sheet metal (7) by two divisions of the scale from the guide rail (D), the latch catch of the MFP.
  • Page 387 Adjusting the height of the document 2. Loosen the two screws (11) on the rear right caster of the document finisher (A). Adjust the finisher height of the rear right caster by turning its adjustment bolt (14) using a cross-headed 1.
  • Page 388 15 16 3. Adjust the height of the front right caster in the same manner as in step 4. Adjust the height of the left two casters in the same manner as in step 2 2 so that each center of the hooking portions (16) of the latch catch is so that the gaps (17a) and (17b) between the document finisher (A) aligned with the center of the two hooks (15) on the document finisher and the MFP are the same when the document finisher (A) is detached...
  • Page 389 6. After completing the installation, return to Connecting the signal cable Operation check pages 7 to 8 of the installation procedure and 1. Connect the signal cable (18) of the 1. Insert the MFP power plug to the wall outlet loosen the four M4 x 6 binding screws (E) in document finisher (A) to the MFP.

  • Page 390: Sheets Document Finisher

    INSTALLATION GUIDE FOR 3000 SHEETS DOCUMENT FINISHER Output Connector for Interconnecting Cable is non-LPS. Output: 587 VA max. Please use the item below Interconnecting Cable/ P/N: 303LT46210...
  • Page 391 AK-700 F Base slider A ........... 1 N Spring hook ..........1 English G Base slider B ........... 1 O Sponge ............ 1 Supplied parts H Plate............1 P M4 x 14TP coarse thread screw ....1 I M4 × 10 tap Tight S screw ...... 7 Q Plate foot R ..........
  • Page 392 AK-720 When installing the document finisher, (S), (T), V M4 × 10 tap Tight S screw ...... 9 AA Plate............1 (U) and eight (V) supplied with the job separator W Shoulder screw ........1 AB Assembly base ........1 are needed.
  • Page 393 Precautions Procedure Be sure to install the document finisher before installing the center-folding unit. Be sure to remove any tape and/or cushioning When installing the document finisher, install the Before installing the document finisher, make material from supplied parts. job separator in advance. sure that the MFP’s main power switch is turned Do not remove the two fixing tapes (a) from the off and that its power cord is unplugged from the...
  • Page 394 Removing the slider fixing pin 2. Open the right cover of the document 3. Remove the screw (2) to remove the slider finisher (A). fixing pin B (3). 1. Open the front cover of the document finisher (A). Remove the fixing tape from the slider of the inner tray and remove the slider fixing pin A (1).
  • Page 395 Removing the fittings 6. Pull the internal tray out. Installing the internal tray cover 7. Remove the fixing tape from the handle of 4. Open the front cover of the document 8. Install the internal tray cover (M) using the the internal tray and attach the spring hook finisher (A).
  • Page 396 Removing the fixing pin Installing the staple cartridge 14. When using a full-color machine, move to step 48 on page 14. 9. Turn the fixing pin (6) counterclockwise to 11. Remove the fixing tape from the staple remove it. cartridge holder (7). 10.
  • Page 397 [When installing the document finisher to the 17. Fit the curl eliminator (R) to the eject cover Installing the connecting plate monochrome machine] (8) such that the projections (11) on the 19. Install the connecting plate (D) to the left side cover fit into the two ends of the curl Installing the curl eliminator of the MFP or the printer using two M4 ×...
  • Page 398 Assembling the base slider Installing the base slider 20. Install plate foot R (Q) to base slider A (F) using M4 × 10 tap Tight S When using two paper feeders of 500 sheets Screw (I). 22.Open the right cover of the document finisher (A). 21.
  • Page 399 25. Place base slider B (G) onto base slider A (F). 27.Insert the base slider A (F), and then the base slider B (G) into the 26. Put plate (H) onto base slider B (G). lower left of the MFP or the printer. 28.Fix base slider B (G) with M4 x 14TP coarse thread screw (P).
  • Page 400 When using paper feeder of 3000 sheets 32.Insert the base slider A (F), and then the base slider B (G) into the lower left of the MFP or the printer. 31. Place base slider B (G) onto base slider A (F). 33.Fix base slider B (G) with M4 x 14TP coarse thread screw (P).
  • Page 401 34.Open the right cover of the document finisher (A). 35.Insert base slider A (F) under the document finisher (A) and hook the tabs (12). 36.Fix base slider A (F) with four M4 × 10 tap Tight S screws (I). 37.Close the right cover of the document finisher (A). 38.Move to step 39 on page 12.
  • Page 402 [Document finisher height adjustment method ] 42.Locate the adjustment pins (14). Adjusting the pin on the front and rear sides will change the height of 39. Adjust the height by turning the pin on the caster sections of the 2 slider the document finisher.
  • Page 403 43. In the case of the left illustration, turning the pin to the right allows the 45.Adjust so that the hole (16) on the side of the connecting plate (D) on caster's axle holder to be movable in the direction of the arrow, the MFP levels with the rib (15) on the document finisher (A) when the enabling the height of the document finisher to be lowered.
  • Page 404 [When installing the document finisher to the full-color machine] 50.Install the connecting plate (D) to fixing plates F (S) and R (T) using two M4 × 10 tap Tight S Screws (I). Installing the fixing and connecting plates Attach with the upper screw holes underneath fixing plates F (S) and R 48.
  • Page 405 Disassembling the base slider Installing the base slider 51. Remove the two screws (17) from the base slider A (F) to remove the When using two paper feeders of 500 sheets stay foot (18). 53.Insert base slider V (Z) and base slider A (F) under the assembly base 52.
  • Page 406 Y AA 55. Put base slider B (G) onto base slider A (F). In the same way, put base 57.Insert base slider A (F), base slider B (G) and plate (H) into the lower slider B (Y) onto base slider V (Z). left of the paper feeder.
  • Page 407 59. Secure base slider B (G) with a M4 x 14TP coarse thread screw (P) When the paper feeder of 3000 sheets is used and base slider B (Y) with a M4 x 14TP coarse thread screw (AD). 60.Put base slider B (G) onto base slider A (F). In the same way, put base Put the M4 x 14TP coarse thread screws (P, AD) through the upper slider B (Y) onto base slider V (Z).
  • Page 408 61. Insert base slider A (F) and base slider B (G) into the lower left of the 63.Secure base slider B (G) with a M4 x 14TP coarse thread screw (P) paper feeder. and base slider B (Y) with a M4 x 14TP coarse thread screw (AD). 62.
  • Page 409 64. Insert base slider V (Z) and base slider A (F) under the assembly base (AB) and hook the tabs (19). 65. Fix base slider A (F) with four M4 × 10 tap Tight S screws (I) and fix base slider V (Z) with four M4 ×...
  • Page 410 Removing the cover 68. Close the front cover of the document finisher (A). 66. Open the front cover of the document 69. Remove four screws (22) to remove the back finisher (A). cover (23) from the document finisher (A). 67. Remove two screws (20) to remove the lower front cover (21).
  • Page 411 Installing the assembly base (Be sure to perform this by two service personnel) 70. Align the projection (24) on the assembly base (AB) with the hole of the document finisher (A) and place the document finisher (A) on the assembly base (AB). Lift up the document finisher (A) by two service personnel simultaneously by one to hold (25) and the other to hold (26) and (27).
  • Page 412 Installing the cover [Adjusting the document finisher height] 76. Remove the two screws (32) to remove rear cover S (33). 72. Use four screws (22) removed from the 74. Remove the two screws (28) to remove front document finisher in step 69 to reinstall the cover S (29).
  • Page 413 77. Loosen the fixing screw (34) on the front right and rear right of the document finisher (A). 78. Adjust the height of the document finisher (A) by turning the bolt (37) using the spanner (31) so that the hole (36) on the side of the connecting plate (D) on the MFP levels with the rib (35) on the document finisher (A) when the connection is seen from the front.
  • Page 414 80. Adjust the height of the front left and rear left in the same way as steps 77 to 79 so that the gaps (38, 39) are equal to each other when the document finisher (A) and the MFP are connected together.
  • Page 415 Installing the sponge 84. Clean the sheet metal section under the upper cover (40) of the document finisher (A) with alcohol. 85. Peel the release paper off the sponge (O) and adhere the sponge as shown in the illustration. Installation de l’éponge 84.
  • Page 416 Installing the trays 87. . the right and left projections (41) of the tray 88. Lower tray B (C) and remove the two B (C) onto the document finisher (A) from its Lumiror films (42). 86. Use two nuts (K) and two pins (L) to install top.Fit the tray with the Lumiror films (42) the tray A (B) to the document finisher (A).
  • Page 417 [Installing the document finisher and the MFP] Connecting the signal line 89. Slide the document finisher (A) and connect it to the connecting plate (D) on the MFP. 90. Connect the signal line (44) of the document When making the connection, never hold the upper cover (43) of the document finisher (A). finisher (A) to the connector (45) at the back of the MFP.
  • Page 418 [Checking the curl] 92. Perform a test copy to check the paper is 93. Check the curl of the copy sample, and if the fed. curl is tight, follow the next step to adjust it. 91. Plug the MFP into a power outlet, and turn on its main power switch.
  • Page 419 Checking the curl 96.Close the front cover of the document finisher (A). 97.Check the paper is fed. If the ejected paper is tightly curled face-down (a) 98.Repeat steps 94 to 97 until the paper becomes straight. 94. Open the front cover of the document finisher (A). 95.
  • Page 420 If the ejected paper is tightly curled face-up (b) 101.Close the front cover of the document finisher (A). 102.Check the paper is fed. 99. Open the front cover of the document finisher (A). 103.Repeat steps 99 to 102 until the paper becomes straight. 100.Pull the pressure roller top adjusting knob E2 to your side and turn the knob by 1 scale in increasing order.
  • Page 421 INSTALLATION GUIDE FOR CENTER-FOLDING UNIT...
  • Page 422 F Douser ............. 1 Be sure to remove any tape and/or cushioning English G M3 × 8 tap-tight P screw ......2 material from supplied parts. Supplied parts H M4 × 8 tap-tight S screw ......11 A Center-Folding unit ........1 I Label ............
  • Page 423 Procedure Removing the cover. 3. Remove two screws (3) and remove lower left cover (4). Before installing the center-folding unit, turn 1. Open the front cover of the document fin- the MFP’s main power switch off and unplug isher. the power cable from the power supply. 2.
  • Page 424 Removing the back cover. Removing the reinforcing plate. Installing the back cover. 4. Remove the four screws (5) to remove the 5. Remove six screws (7) to remove the left 6. Use the four screws (5) which was removed back cover (6) from the document finisher. reinforcing plate (8).
  • Page 425 Removing the divided part. Reassembling the covers. 7. Cut out the divided part (9). 8. Install cover V (K) onto each of rear cover (C) and front cover (D) respectively with a M3 × 8 tap- tight P screw (G). Enlèvement de la pièce divisée.
  • Page 426 Installing the slider. 11. Align slider (E) with projection (12) on the back-side plate of the docu- ment finisher and install the slider. 9. Align slider (E) with projection (10) on the front-side plate of the docu- 12.Pull out slider (E) and secure it with two M4 × 8 tap-tight S screws (H). ment finisher and install the slider.
  • Page 427 Installing the cover handle saddle. Installing the center-folding unit. 13. Install cover handle saddle (J) on the front 14. Pull out sliders (E) till they stop. side of center-folding unit (A) with two M4 × 15. Align pawl (13) of center-folding unit (A) with projection (14) of slider (E) and place the center- 8 tap-tight S screws (H).
  • Page 428 Installing covers. 19. Store center-folding unit (A) into the docu- ment finisher. 17. Install the covers by fitting the projections on the rear side of the rear cover (C) and front cover (D) If center-folding unit (A) is not stored com- assembled in step 8 into the holes in the center-folding unit (A).
  • Page 429 Installing the folding tray. Installing the douser. Reinstalling the cover. 20. Fit the projection of folding tray (B) into the Before installing the douser (F), make sure 22. Reinstall the lower front cover (2) that was inside hole of center-folding unit (A). that center-folding unit (A) is securely stored.
  • Page 430 Adhering the label. [Checking staple position] 24. Clean the area where the label is adhered on 1. In the center-stapling mode, perform a test copy with the paper fed from the main tray. A test copy the right cover of the document finisher with must be made for each of the following paper sizes: alcohol and adhere label (I) aligning with A4R, LTR (8.5"...
  • Page 431 Adjusting staple position 2. Adjust setting value. When staples are placed too far right copy example (a): Decrease the setting 1. Enter the maintenance mode U246, select BOOKLET FOLDER and per- value. form adjustment for each copy sample size. When staples are placed too far left copy example (b): Increase the setting When A4R or LTR (8.5"...
  • Page 432 [Checking centerfold position] 3. If the distance from center line (1) on paper (c) to centerfold position (2) on the copy sample is out of the reference range, follow the steps 1. Plug the MFP into a power outlet, and turn on its main power switch. below to adjust the distance.
  • Page 433 Adjusting centerfold position When the centerfold position too far left copy example (e): Decrease the setting value. 1. Enter the maintenance mode U246, select BOOKLET FOLDER and per- Changing the value by 1 moves the centerfold position by approxi- form adjustment for each copy sample size. mately 0.55 mm.
  • Page 434 NOTICE English This accessory is for use only with the following Applicant's Listed Machine. Refer to the supplied guide to install the accessory in the field. Model ： DF-760 AVIS Français Cet accessoire est utilisable uniquement avec le copieur figurant dans la liste du demandeur suivant. Se reporter au guide fourni pour installer l'accessoire dans le champ.
  • Page 435 INSTALLATION GUIDE FOR MAILBOX...
  • Page 436 F Tray name label ..........1 Be sure to remove any tape and/or cushioning English G Taptite S binding screw M4 × 10 ....4 material from supplied parts. H Plate foot V (for full-color machines).....2 I Plate foot F (for monochrome machines)..1 Supplied parts When installing the mailbox to a monochrome A Mailbox ............
  • Page 437 Procedure Before installing the finisher, carry out the [Carry out steps 1 when installing the Be sure to turn the MFP main power switch off following procedure. mailbox to a full-color machine.] and disconnect the MFP power plug from the 1.
  • Page 438 [Carry out steps 1 to 3 when installing 2. Hang the hook sections (5) of plate foot F (I) 3. Refit the lower front cover (2) to its original the mailbox to a monochrome on the finisher frame notches (6), and secure position, secure it using the screw (1), and machine.] them using 2 Taptite S binding screws M4 x...
  • Page 439 4. Remove the front top cover (6) and rear top 5. Fit the hooks (8) located at the front and rear Note: Lift the front and rear of the mailbox (A) cover (7) at the top of the finisher (5) using a of the bottom of the mailbox (A) into the lightly upward to make sure that the mailbox (A) flat-blade screwdriver or the like.
  • Page 440 6. Secure the front connection portion of the 7. Remove the rear cover (10) at the rear of the 8. Remove the fixing tape (12). mailbox (A) and the finisher (1) with the front mailbox (A) using a flat-blade screwdriver or 9.
  • Page 441 11. Fit the seven copy eject bins (D) to the ejection section of the mailbox (A) from the lowest bin to 12. Insert the MFP power plug to the outlet and the highest. turn the MFP main power switch on to check the operation.
  • Page 442 NOTICE English This accessory is for use only with the following Applicant's Listed Machine. Refer to the supplied guide to install the accessory in the field. Model ： DF-760/760(B) AVIS Français Cet accessoire est utilisable uniquement avec le copieur figurant dans la liste du demandeur suivant. Se reporter au guide fourni pour installer l'accessoire dans le champ.
  • Page 443 INSTALLATION GUIDE FOR HOLE PUNCH UNIT...
  • Page 444 F M4 × 8 tap Tight S screw ......1 English G M4 × 10 tap Tight S screw ....... 2 Supplied parts H Label ............1 A Hole punch unit........1 B Punch PCB ..........1 Be sure to remove any fixing tapes or cushion- C Power cord ..........
  • Page 445 Installation Procedure Removing the cover 2. Open the upper cover (3) and tray C (4) on the document finisher. Before installing the hole punch unit, make 1. Remove the four screws (1) to remove the 3. Remove four screws (5) and hold pressing sure the MFP’s main power switch is turned off back cover (2) from the document finisher.
  • Page 446 3 3 8 Removing the guide plate Installing the guide Installing the hole punch unit 4. Remove two screws (8) to remove the guide 5. Engage the projection and the pawl of the 6. Tilt the hole punch unit (A) to place it through the hole in the upper side of the document plate (9).
  • Page 447 Connecting the connector Installing the waste hole punch box Installing the punch PCB (120V/220V/230V/240V models only. 9. Open the front cover of the document finisher 12. Engage the pawl on the upper side of the and insert the waste hole punch box (D) along punch PCB (B) with the groove at the back of Except for Swedish specification) the guide (E) which was installed in step 5.
  • Page 448 14/15 19/20 21/22 23/24 13/16 17/18 25/26 14. Open the wire saddle (12) and put the 2P-connector (13) on the motor Figure (d): 6P-connector (19) of power cord (C) and YC3 connector through the wire saddle to fix the punch PCB (B). (20) of punch PCB (B) 15.
  • Page 449 Installing the cover 16. Engage the pawl (27) of the document finisher with the concave section (28) at the back of the top cover (7) which was removed in step 3. After that, reinstall the top cover (7) by pressing the finisher releasing lever (6) with four screws (5). If the pawl (27) is not securely engaged with the concave section, the top cover (7) is loose, which may cause incorrect operation of the document fin- isher.
  • Page 450 X’ -2mm X’ +2mm 18. Use four screws (1) to reinstall the back [Checking the center of the punch hole] cover (2) which was removed from the docu- 1. Plug the MFP into a power outlet, and turn on its main power switch. ment finisher in step 1.
  • Page 451 G G G G G G Centering punch-holes 3. Loosen two M4 × 10 tap Tight S screws (G) of the hole punch unit (A). 4. Adjust the position of the hole punch unit (A). 1. Open the upper cover (1) and the tray C (2) When holes are punched too far lower copy example (a): Slide the hole punch unit (A) to the of the document finisher.
  • Page 452 X’ -2mm X’ +2mm 7. Repeat steps 1 to 6 until the vertical gap of the punch holes on the copy sample are within the reference value. 8. After adjustment, tighten two M4 × 10 tap Tight S screws (G) loosened in step 3. 9.
  • Page 453 a: 9.5 2 mm a: 5.5 2 mm [Checking distance from leading edge to the punch holes] Adjusting distance from leading edge to the punch holes 1. In the punch mode, perform a test copy with paper fed from the MP 1.
  • Page 454 a: 9.5 2 mm a: 5.5 2 mm 3. Perform a test copy. 4. Repeat steps 1 to 3 until the distance from the leading edge to the punch hole indicates the value within the reference range. <Reference value> Distance (a) in metric specification: 9.5 ±2 mm Distance (a) in inch specification: 5.5 ±2 mm 3.
  • Page 455 INSTALLATION GUIDE FOR DUCT UNIT...
  • Page 456 E M3 x 20 tap-tight P screw 2. Attach DUCT A (A) using the following English (100-volt models only) ....... 2 screws: DUCT OPTION UNIT Installation Screws (1) removed in step 1: 2 Instructions M3 x 8 tap-tight P screw (C): 1 Supplied parts 1.
  • Page 457 3. Remove the filter cover (2). 4. Fit the two hooks (3) on DUCT B (B) into the 5. Attach DUCT B (B) using the two M3 x 8 tap- two holes (4). tight P screws (C). 3. Déposer le couvercle du filtre (2). 4.

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