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Canon MF8580Cdw Service Manual

Mf8500/mf8200 series.
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Manual - 750 pages
User manual - 750 pages
Getting started - 292 pages
   
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MF8500Series/MF8200Series
Service Manual Rev.0
Product Overview
Technical Overview
Periodical Services
Disassembly/Assembly
Adjustment
Trouble Shooting
Error codes
Service Mode
Appendex
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Table of Contents

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   Summary of Contents for Canon MF8580Cdw

  • Page 1 MF8500Series/MF8200Series Service Manual Rev.0 Product Overview Technical Overview Periodical Services Disassembly/Assembly Adjustment Trouble Shooting Error codes Service Mode Appendex...
  • Page 2 This manual is copyrighted with all rights reserved. Under the copyright laws, this manual may changes in the contents of this manual over a long or short period, Canon will issue a new not be copied, reproduced or translated into another language, in whole or in part, without the edition of this manual.
  • Page 3 Explanation of Symbols The following rules apply throughout this Service Manual: The following symbols are used throughout this Service Manual. Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with reference to the timing of Symbols Explanation Symbols...
  • Page 4: Table Of Contents

    Contents Safety Precautions Technical Overview CDRH Provisions -------------------------------------------------------------0-2 Basic Configuration -----------------------------------------------------------2-2 Notes When Handling a Lithium Battery --------------------------------0-2 Configuration function ------------------------------------------------------------ 2-2 Laser Safety --------------------------------------------------------------------0-2 Basic Sequence -------------------------------------------------------------------- 2-2 About Laser Beams --------------------------------------------------------------- 0-2 Print Mode --------------------------------------------------------------------------- 2-5 Handling Laser Scanner Unit --------------------------------------------------- 0-2 Document Exposure/Feeder System ------------------------------------2-6 Toner Safety --------------------------------------------------------------------0-3 Document Exposure System ---------------------------------------------------- 2-6...
  • Page 5 Location -----------------------------------------------------------------------------4-55 Removing the Controller Cover -----------------------------------------------4-57 List of Parts ---------------------------------------------------------------------4-2 Removing the Wireless LAN PCB (MF8580Cdw) ------------------------4-57 List of External/ Internal Cover (MF8500 series)--------------------------- 4-2 Removing the Main Controller PCB ------------------------------------------4-58 List of Main Unit (MF8500 series) --------------------------------------------- 4-4...
  • Page 6 Removing the Patch Density and Registration Sensor unit ------------4-98 Removing the Rear Lower Cover ------------------------------------------- 4-154 Removing the Developing Motor -------------------------------------------- 4-100 Removing the Rear Cover ---------------------------------------------------- 4-155 Removing the Drum Motor --------------------------------------------------- 4-102 Removing the Upper Cover -------------------------------------------------- 4-156 Fixing System -------------------------------------------------------------- 4-104 Document exposure/feeder system ---------------------------------- 4-157 Location --------------------------------------------------------------------------- 4-104...
  • Page 7 Removing the Off Hook PCB (MF8280Cw/8250Cn) ------------------- 4-201 Controller test print ---------------------------------------------------------------- 6-3 Removing the Main Drive Unit ----------------------------------------------- 4-202 Trouble shooting items-------------------------------------------------------6-5 Removing the Sub Drive Unit ------------------------------------------------ 4-209 Recurring faulty image ------------------------------------------------------------ 6-5 Removing the Main Motor ---------------------------------------------------- 4-210 Confirming nip width -------------------------------------------------------------- 6-5 Removing the Fan -------------------------------------------------------------- 4-211 Special Management Mode ------------------------------------------------6-6...
  • Page 8 ADJUST ------------------------------------------------------------------------------ 8-7 FUNCTION -------------------------------------------------------------------------8-19 OPTION -----------------------------------------------------------------------------8-27 COUTER ----------------------------------------------------------------------------8-30 FEEDER ----------------------------------------------------------------------- 8-34 ADJUST -----------------------------------------------------------------------------8-34 FUNCTION -------------------------------------------------------------------------8-35 FAX ----------------------------------------------------------------------------- 8-36 List of SSSW -----------------------------------------------------------------------8-36 List of MENU -----------------------------------------------------------------------8-38 List of NUM -------------------------------------------------------------------------8-38 Setting of NCU Parameters ----------------------------------------------------8-39 TESTMODE ------------------------------------------------------------------ 8-43 PRINT --------------------------------------------------------------------------------8-43 FAX -----------------------------------------------------------------------------------8-44 Appendex Service Tools --------------------------------------------------------------------- II...
  • Page 9: Safety Precautions

    Safety Precautions ■ CDRH Provisions ■ Notes When Handling a Lithium Battery ■ Laser Safety ■ Toner Safety ■ Notes on Assembly/ Disassembly F-0-1...
  • Page 10: Cdrh Provisions

    CDRH Provisions Laser Safety Food and Drug CDRH (Center for Devices and Radiological Health) under FDA (Food and About Laser Beams Drug Administration) enforced provisions of the section for laser and laser products on August 2, 1976. These provisions are applicable to all laser products manufactured or assembled Laser radiation may be hazardous to human.
  • Page 11: Toner Safety

    Toner Safety Notes on Assembly/Disassembly Follow the items below to assemble/disassemble the device. About Toner 1. Disconnect the power plug to avoid any potential dangers during assembling/disassembling Toner is a nontoxic matter composed of plastic, iron and a trace of pigments. works.
  • Page 12: Product Overview

    Product Overview ■ Product Lineups ■ Product Features ■ Specifications ■ Name of Parts Product Overview...
  • Page 13: Main Unit

    Product Overview > Product Lineups > Main Unit Product Lineups Function MF8200 Series MF8280Cw MF8250Cn MF8240Cw MF8230Cn MF8210Cn Appearance Main Unit Function MF8500 Series MF8580Cdw MF8570Cdw MF8550Cdn MF8540Cdn MF8530Cdn Appearance Copy F-1-2 Print USB Scan Network Scan Wireless LAN Copy F-1-1 SEND Print Sequre Print...
  • Page 14: Options

    Product Overview > Product Lineups > Options > MF8200 Series Options ■ MF8200 Series ■ MF8500 Series F-1-4 Name Description Remarks TELEPHONE 6 KIT Long cord Telephone call is enabled by using the AUS, EUR F-1-3 Cool White handset. Name Description Remarks HANDSET KIT 3 Long cord Cool...
  • Page 15: Product Features

    ● Addition of Scan to PC, Paper Save Copy by supporting Smart Features Shortcut Key ■ MF8500Series / MF8200Series ● Wireless LAN supported (MF8570Cdw, MF8580Cdw, MF8240Cw, ● Compact MFP MF8280Cw) ● Increased engine speed from 8/12 ppm (CL/BW) to 14/14 ppm (CL/ BW) (MF8200 series only) 478.5 mm...
  • Page 16: Specifications

    Product Overview > Specifications > Main Unit Specifications Specifications Item Specification / function MF8500 Series MF8200 Series Print area Cassette For print jobs (Non-envelope) For print jobs (Non-envelope) Main Unit Specifications • Leading edge: 5.0 ± 2.0 mm • Leading edge: 5.0 ± 1.5 mm •...
  • Page 17 Product Overview > Specifications > Main Unit Specifications Item Specification / function Item Specification / function MF8500 Series MF8200 Series MF8500 Series MF8200 Series Print Speed 1-sided print (A4/LTR): Color / B&W: Maximum power 100 V: 1200 W or lower / 9.5 A 100 V: 1200 W or lower / 9.5 A Color / B&W: 21 ppm (A4/LTR) 14 ppm (A4/LTR)
  • Page 18: Adf Specifications

    Product Overview > Specifications > Wireless LAN Specifications ADF Specifications Wireless LAN Specifications Item Specification / Function Item Specification / Function MF8500 Series MF8200 Series Standard IEEE802.11g/IEEE802.11b/IEEE 802.11n* Document setting Set the document face up (face-up method) Transmission Scheme DS-SS System/OFDM System direction Frequency Range 2412 to 2472 MHz...
  • Page 19: Send Specifications

    Product Overview > Specifications > FAX Specifications SEND Specifications FAX Specifications Item Specification / Function Item Specification/function File Server Transmission E-mail Sending Suitable line Public Switched Telephone Network (PSTN) Up to 33.6Kbps in modem speed is currently available in PSTN. Note Communication Protocol SMB (TCP/IP) SMTP*...
  • Page 20: Print Speed

    Product Overview > Specifications > Print Speed > MF8200 Series Print Speed ■ MF8200 Series Unit: page/minute. ■ MF8500 Series Paper type Cassette Unit: page/minute. Color Mode B&W Mode Plain 1 (60 to 74g/m 14.0 14.0 Paper type Cassette MP Tray Plain 2 (70 to 84g/m 14.0 14.0...
  • Page 21: Paper Types / Paper Size

    Paper types / Paper size *1: 100% recycled paper is also usable. *2: Use transparency sheets for laser printers. ■ MF8500 Series (Canon’s genuine transparency sheets are specially recommended.) *3: Received documents, report and lists can be printed. Type Size...
  • Page 22 *1: 100% recycled paper is also usable. *2: Use transparency sheets for laser printers. Type Size Feeding Width Pickup position (Canon’s genuine transparency sheets are specially recommended.) MP Tray Cassette direction direction *3: Received documents, report and lists can be printed. (mm) (mm) *4: You can load paper of the following custom paper sizes.
  • Page 23: Name Of Parts

    Product Overview > Name of Parts > External View > MF8500 Series 1-12 Name of Parts External View ■ MF8500 Series ● Front Side Document guide Main power switch Feeder Vent-hole Control panel Speaker Front cover Grip Multi-purpose tray (MP tray) Paper scanner for document from feeder (10) Paper cassette...
  • Page 24 Product Overview > Name of Parts > External View > MF8500 Series 1-13 ● Rear Side ● Inside (3) (4)(5) F-1-9 F-1-8 Y toner cartridge slot USB port Rear cover M toner cartridge slot LAN port Rating plate C toner cartridge slot Telephone line terminal Vent-hole Bk toner cartridge slot...
  • Page 25 Product Overview > Name of Parts > External View > MF8200 Series 1-14 ■ MF8200 Series ● Rear Side ● Front Side (13) (10) (12) F-1-11 (16) USB port Power socket (17) (11) (14) LAN port Rear cover Handset terminal Vent-hole (19) External telephone terminal...
  • Page 26: Cross Section View

    Product Overview > Name of Parts > Cross Section View > MF8500 Series 1-15 Cross Section View ● Reader/ADF Unit ■ MF8500 Series ● Printer [2] [3] F-1-14 ADF registration roller ADF separation roller ADF pickup roller ADF unit Reader unit ADF delivery roller ADF separation pad CIS unit...
  • Page 27 Product Overview > Name of Parts > Cross Section View > MF8200 Series 1-16 ■ MF8200 Series ● Reader/ADF Unit ● Printer [3] [4] [5] F-1-16 ADF registration roller ADF separation roller ADF pickup roller ADF unit Reader unit ADF delivery roller ADF separation pad CIS unit [14]...
  • Page 28: Control Panel

    Product Overview > Name of Parts > Control Panel > MF8540 / MF8530 / MF8240 / MF8230 / MF8210 Series 1-17 Control Panel ■ MF8540 / MF8530 / MF8240 / MF8230 / MF8210 Series ● Main Control Panel ■ MF8580 / MF8570 / MF8550 / MF8280 / MF8250 Series [10] [11] ●...
  • Page 29 Product Overview > Name of Parts > Control Panel > Explanation of the Main Control Panel 1-18 ■ Explanation of the Main Control Panel Name Description (3) [Menu] key Press to specify or register various settings. [Report] key A report or a list is printed. You can also make settings related to printing of a report.
  • Page 30: Technical Overview

    Technical Overview ■ Basic Configuration ■ Document Exposure/Feeder System ■ Controller System ■ Laser Control System ■ Image Formation System ■ Fixing System ■ Pickup / Feed System Technical Overview...
  • Page 31: Configuration Function

    Technical Overview > Basic Configuration > Basic Sequence > Basic Operational Sequence Basic Configuration Basic Sequence ■ Basic Operational Sequence Configuration function The CPU on the DC controller PCB controls the operational sequence. The table below This device is roughly composed of the 6 functional blocks as shown in the figure below shows the operation and the purposes in each status from start-up of the device and to last •...
  • Page 32 Technical Overview > Basic Configuration > Basic Sequence > Print Sequence ■ Print Sequence ● MF8500 Series Full-color print on A4 plain paper (3 pages) Print command (second) Operatio n INTR PRNT STBY STBY LSTR Fixing temperature control 1. 0 Drum motor (M1) 1.
  • Page 33 Technical Overview > Basic Configuration > Basic Sequence > Print Sequence ● MF8200 Series Full-color print on A4 plain paper (3 pages) Print command (second) STBY INTR PRNT LSTR STBY Operation Fixing temperature control Main motor (M701) Pickup motor (M702) Fixing motor (M703) Scanner motor (M704) Cassette pickup solenoid (SL705)
  • Page 34: Print Mode

    Technical Overview > Basic Configuration > Print Mode > MF8200 Series Print Mode ■ MF8200 Series The models of this series switch among 3 print modes to optimize the normal print speed ■ MF8500 Series each for color and B&W printing. The models of this series switch among 3 print modes to optimize the paper feed speed for Print mode Paper feed...
  • Page 35: Document Exposure/feeder System

    Technical Overview > Document Exposure/Feeder System > Document Exposure System > Major Components Document Exposure/Feeder System ■ Major Components Followings are the major components for Document Exposure System. Document Exposure System • The contact sensor to scan document. • The Reader motor (M720), The drive pulley, The drive belt, to shift The contact sensor ■...
  • Page 36 Technical Overview > Document Exposure/Feeder System > Document Exposure System > Reference Position for Reading/Printing ■ Reference Position for Reading/Printing ● Reference Position for Printing Only when the original is read from ADF without reduction layout setting (1 on 1), it is printed The reference position for reading/printing from the copyboard or ADF is explained below.
  • Page 37: Document Feeder System

    Technical Overview > Document Exposure/Feeder System > Document Feeder System > Various Control Document Feeder System ■ Various Control ● Original Detection ■ Overview There are two types of Original Detection in this Equipment. Pickup/Feed/Delivery Operation The Auto Document Feeder (ADF) mounted onto this host machine is dedicated to stream- 1.
  • Page 38: Service Tasks

    Technical Overview > Document Exposure/Feeder System > Service Tasks > Service Notes Service Tasks ● Jam Detection The following cases are judged as jam. ■ Action for Parts Replacement 1. In case of delay in reaching DS/DES or stationary during scanning of original 2.
  • Page 39: Controller System

    Technical Overview > Controller System > Overview 2-10 Controller System • MF8200 Series Overview This product is mainly controlled by the main and DC controllers. • MF8500 Series Reader Unit Wireless LAN PCB Network Main Controller PCB Telephone Line Wireless LAN PCB Reader Unit DC Controller PCB DC Controller PCB...
  • Page 40: Controls

    Technical Overview > Controller System > Controls > Open door detection 2-11 Controls ■ Open door detection This product detects door opening by the door open sensor. ■ Motor Controls Sensor Name Function This product uses 3 motors for paper feed and image formation. Front Cover Sensor (SR612) Detect open the Front Cover.
  • Page 41 Technical Overview > Controller System > Controls > Low-Voltage Power Supply Control 2-12 ■ Low-Voltage Power Supply Control • MF8200 Series AC input This circuit converts AC voltage input from the power supply receptacle through the fixing power supply into DC power supply and supplies it to each load. See the figures below for low-voltage / fixing power supply block diagrams.
  • Page 42 Technical Overview > Controller System > Controls > Power-Saving Mode 2-13 ■ Protective control ■ Power-Saving Mode The low-voltage power supply has protective controls against excessive current and voltage, This is the function to save power consumed by the printer. which automatically detect excessive current or abnormal voltage to shut off the output The table below lists various power-saving modes.
  • Page 43: Service Tasks

    Technical Overview > Controller System > Service Tasks > Service Notes 2-14 Service Tasks ● DC controller PCB Before replacing the DC Controller PCB ■ Action for Parts Replacement 1) In service mode, perform the following procedure to store the DC Controller setting values. COPIER >...
  • Page 44: Laser Control System

    Technical Overview > Laser Control System > Controls > Failure detection 2-15 Laser Control System Controls ■ Failure detection Overview 1. Scanner Motor failures The Laser Scanner system is to form a static latent image on the photosensitive drum based •...
  • Page 45: Service Tasks

    Technical Overview > Laser Control System > Service Tasks > Service Notes 2-16 Service Tasks ■ Action for Parts Replacement Outlin of the measures is described in this section. For the detailed procedure, refer to the “Chapter 5 Adjustment”. ● After replacing Laser Scanner Unit 1) Register the value on the label packed with the Laser Scanner Unit in service mode.
  • Page 46: Image Formation System

    Technical Overview > Image Formation System > Parts > MF8200 series 2-17 Image Formation System Parts ■ MF8500 series Overview ITB Cleaning Roller Developing Cylinder Toner Cartridge The image formation system holds the core function of this product to form toner images on ITB Cleaning Brush paper.
  • Page 47: Image Forming Process

    Technical Overview > Image Formation System > Image Forming Process > Static latent image forming block 2-18 Image Forming Process ■ Static latent image forming block This block consists of 2 steps to form a static latent image on the photosensitive drum. ■...
  • Page 48 Technical Overview > Image Formation System > Image Forming Process > Development block 2-19 ● Step 2: Laser beam exposure ■ Development block Expose the photosensitive drum with laser beams to form a static latent image. The static latent image formed on the photosensitive drum is visualized by toner deposited in The static latent image is formed by laser beam scanning that neutralizes or strips negative this block.
  • Page 49 Technical Overview > Image Formation System > Image Forming Process > Transfer block 2-20 ■ Transfer block ● Step 5: Secondary transfer Transfer the toner image on the ITB to paper. The toner image on the photosensitive drum is transferred to paper through 3 steps in this The DC positive bias is applied to the secondary transfer external roller to charge the paper block.
  • Page 50 Technical Overview > Image Formation System > Image Forming Process > Cleaning block 2-21 ■ Fixing block ■ Cleaning block The toner image is fixed on the paper in this block. The residual toner on the ITB surface is cleaned in this step. ●...
  • Page 51 Technical Overview > Image Formation System > Image Forming Process > Cleaning block 2-22 ■ Cleaning block The residual toner on the photosensitive drum is cleaned in this block. ● Step 9: Drum cleaning The cleaning blade scrapes off the residual toner on the photosensitive drum to collect into the cleaner container.
  • Page 52: Controls

    Technical Overview > Image Formation System > Controls > High-voltage power supply control 2-23 Controls ■ High-voltage power supply control Primary charging Developing bias Blade bias circuit bias circuit circuit ● Overview The high-voltage power supply PCBs are to apply high-voltage bias to the primary charging roller, the primary transfer pad, the secondary transfer external roller, and the ITB cleaning unit.
  • Page 53 Technical Overview > Image Formation System > Controls > Image stabilization control 2-24 ■ Image stabilization control ● Execution timing The table below lists the execution timing and duration of each control. ● Overview Duration Color This product controls image stabilization to avoid faulty images due to environmental Execution MF8500 MF8200...
  • Page 54 Technical Overview > Image Formation System > Controls > Image stabilization control 2-25 ● Image density correction control (D-max control) ● Color displacement control This control is to stabilize the print image density. This control is to correct color displacement due to variability of the laser units or toner The DC controller PCB triggers D-max control under the pre-defined conditions.
  • Page 55 Technical Overview > Image Formation System > Controls > Image stabilization control 2-26 This control follows the sequence below. ● Auto-gradation correction control 1)The DC controller computes the color displacement degree for each color based on This control is to stabilize the image gradation density characteristic. the color displacement detection patterns measured on the ITB.
  • Page 56 Technical Overview > Image Formation System > Controls > Transfer unit 2-27 ■ Toner cartridges ■ Transfer unit ● Developing cylinder contact control ● Pad transfer method The control makes the developing cylinder engagement / disengagement to the This product employs the pad transfer method in the primary transfer mechanism. photosensitive drum as required in the specified print mode (full color or monochrome).
  • Page 57: Service Tasks

    Technical Overview > Image Formation System > Service Tasks > Notes on Field Service 2-28 Service Tasks ■ Action for Parts Replacement No work is required at parts replacement of this product. ■ Maintenance No periodically replaced parts, durable parts or periodical service work is set for this product.
  • Page 58: Fixing System

    Technical Overview > Fixing System > Controls > Fixing Speed Control 2-29 Fixing System Controls ■ Fixing Speed Control Overview ● Reduction of Throughput Based on Detected Temperature of Sub The fixing power supply controls temperatures of the Fixing Assembly. Thermistor This product employs the on-demand fixing method in the Fixing Assembly.
  • Page 59 Technical Overview > Fixing System > Controls > Fixing Speed Control 2-30 ● Reduction of Throughput Based on Environment Temperature Paper interval extension time Throughput is reduced according to the detected temperature of the Environment Sensor. Pre-registration Detection Sensor Paper length (L) (seconds) Detected temperature Paper type...
  • Page 60 Technical Overview > Fixing System > Controls > Protective Control 2-31 ■ Fixing temperature control ■ Protective Control The fixing control circuit controls temperatures of the fixing heater to attain the respective his control is to detect abnormal temperature rise in the fixing assembly to shut off power target temperatures.
  • Page 61: Service Works

    Technical Overview > Fixing System > Service Works > Notes on service works 2-32 Service Works ■ Failure detection The DC controller determines failures of the fixing assembly under conditions below to stop ■ At parts replacement the fixing heater drive signal output (FSRD+, FSRD-) and shut off relay and power supply to No work is required for this product at parts replacement.
  • Page 62: Pickup / Feed System

    Technical Overview > Pickup / Feed System > Overview > MF8200 Series 2-33 Pickup / Feed System ■ MF8200 Series Overview The Pickup / Feed System is responsible for paper pickup and delivery, made up with multiple Face-down Delivery rollers. The figure below shows the structure of the Pickup/Feed System schematically.
  • Page 63: Parts Configuration

    Technical Overview > Pickup / Feed System > Parts Configuration > MF8200 Series 2-34 Parts Configuration ■ MF8200 Series ■ MF8500 Series Delivery Roller Delivery Roller Duplexing Flapper Pressure Roller Pressure Roller Duplex Feed MP Tray Roller Pickup Secondary Transfer Roller External Roller Secondary...
  • Page 64: Drive Configuration

    Technical Overview > Pickup / Feed System > Drive Configuration > MF8200 Series 2-35 Drive Configuration ■ MF8200 Series ■ MF8500 Series SR609 M703 M701 SR15 SR603 SR10 SR604 SR602 SR605 M702 SR601 SL705 SR14 F-2-39 Symbol Name Symbol Name SR12 SR13 M701:...
  • Page 65: Controls

    Technical Overview > Pickup / Feed System > Controls > Jam detection 2-36 Controls ■ Jam detection ● Overview ■ Cassette paper feed This product has the paper sensors as listed below to detect paper level and paper feed ● Roller separation method status.
  • Page 66 Technical Overview > Pickup / Feed System > Controls > Jam detection 2-37 ● Delay jams ● Other jams Pickup delay jam 1 Fixing seizure jam This occurs when the leading edge of the paper is not detected by the registration sensor This occurs when the fixing / delivery sensor (SR8) detected the leading edge of the paper from the start of image formation to re-pickup.
  • Page 67: Service Works

    Technical Overview > Pickup / Feed System > Service Works > Notes on service works 2-38 Service Works ■ At parts replacement No work is accompanied with parts replacement. ■ Maintenance No periodically replaced parts, durable parts or periodical service is set for this product. ■...
  • Page 68: Periodical Services

    Periodical Services ■ Periodically Replaced Parts ■ Durable Parts ■ Periodical Services ■ Cleaning Periodical Services...
  • Page 69 Periodical Services > Cleaning Periodically Replaced Parts Cleaning No periodically replaced parts is set for this product. • MF8500 series Durable Parts No durable parts is set for this product. Periodical Services No periodical service is set for this product. F-3-1 Cleaning parts Procedure...
  • Page 70 Periodical Services > Cleaning • MF8200 series F-3-2 Cleaning parts Procedure Pickup roller Clean with lint-free paper. For heavy soils, use alcohol to wipe off with lint-free paper. Separation roller Paper feed guide Fixing front guide T-3-2 Periodical Services > Cleaning...
  • Page 71: Disassembly/assembly

    Disassembly/ Assembly ■ MF8200 series ■ MF8500 series ■ List of Parts ■ List of Parts ■ External Cover, Internal ■ External Cover, Internal Cover Cover ■ Document exposure/ ■ Document Exposure, feeder system Feed System ■ Controller System ■ Controller System ■...
  • Page 72: List Of External/ Internal Cover (mf8500 Series)

    Disassembly/Assembly > List of Parts > List of External/ Internal Cover (MF8500 series) > Front Side List of Parts List of External/ Internal Cover (MF8500 series) ■ Front Side Parts Name Remarks Reference ADF Front Upper Cover ADF Upper Cover Side Guide (Front) Side Guide (Rear) Document Tray...
  • Page 73 Disassembly/Assembly > List of Parts > List of External/ Internal Cover (MF8500 series) > Rear Side ■ Rear Side [10] F-4-2 Parts Name Remarks Reference ADF Rear Cover Rear Upper Cover (Refer to page 4-24) Rear Cover (Refer to page 4-24) Rear Lower Cover (Refer to page 4-25) Power Socket...
  • Page 74: List Of Main Unit (mf8500 Series)

    Disassembly/Assembly > List of Parts > List of Main Unit (MF8500 series) > 1/2 List of Main Unit (MF8500 series) ■ 1/2 Parts Name Remarks Reference Adjastment during parts replacement ADF Unit (Refer to page 4-35) (Refer to page 4-36) Reader Unit (Refer to page 4-35) (Refer to page 4-37)
  • Page 75 Disassembly/Assembly > List of Parts > List of Main Unit (MF8500 series) > 2/2 ■ 2/2 Parts Name Remarks Reference Adjastment during parts replacement Fixing Assembly (Refer to page 4-104) [10] [10] Laser Scanner Unit (Refer to page 4-90) (Refer to page 4-94) [11] ITB Unit (Refer to page 4-95) [12] Delivery Unit...
  • Page 76: List Of Motor/fan (mf8500 Series)

    Disassembly/Assembly > List of Parts > List of Motor/Fan (MF8500 series) List of Motor/Fan (MF8500 series) Parts Name Main Unit Remarks Reference Adjastment during M721 parts replacement FM1 Fixing /Fixing Product (Refer to page 4-86) - Power Supply configuration Cooling Fan FM2 Duplex Feeding Rear Cover Rib (Refer to page 4-88) -...
  • Page 77: List Of Clutch / Solenoid/heater/thermistor/switch/speaker (mf8500 Series)

    TH801 Main Thermistor Fixing Film Unit - H120 (MF8540Cdn) TH802 Sub Thermistor Fixing Film Unit - /H220 TH803 Sub Thermistor Fixing Film Unit - SP1 Speaker Product MF8580Cdw (Refer to page 4-89) - configuration /8550Cdn SW1 Main Power Product MF8580Cdw Switch configuration /8550Cdn...
  • Page 78: List Of Sensor (mf8500 Series)

    Disassembly/Assembly > List of Parts > List of Sensor (MF8500 series) List of Sensor (MF8500 series) PS702 Parts Name Main Unit Remarks Reference Adjastment SR15 during PS703 parts PS701 replacement SR13 PCB28 Environment Sensor Product configuration PCB29 Patch Sensor Patch Density/ Registration Sensor Unit PCB30 Patch Registration...
  • Page 79: Pcb (mf8500 Series)

    /8550Cdn UN20 Control Panel Control Panel (Refer to page 4-73) - Key PCB Unit UN23 Wireless LAN Product MF8580Cdw (Refer to page 4-57) - UN16 FAX-NCU PCB Product MF8580Cdw (Refer to page 4-75) - configuration configuration /8550Cdn T-4-8 T-4-9...
  • Page 80 Disassembly/Assembly > List of Parts > Llist of Connector (MF8500 Series) > 1/5 4-10 List of Connector (MF8500 Series) ■ 1/5 J918 J651 J942 J941 J929 J921 J2008 J2000 MF8540Cdn MF8580Cdw /8550Cdn J392 J386 J393 J1301 J393 J391 J388 J383 J312 J387 J301...
  • Page 81 Disassembly/Assembly > List of Parts > Llist of Connector (MF8500 Series) > 2/5 4-11 ■ 2/5 J901 J130 J914 J409 J912 J151 J153 J915 J164 J3011 J163 J165 J3005 J166 J161 J3001 J351 J361 J3003 J352 J3002 J362 J611 J601 J3004 J3015 F-4-8...
  • Page 82 J1401 J1404 PS701 CIS Unit Homeposition Sensor J922 UN13 Main Controller PCB J922 Speaker MF8580Cdw/8550Cdn J902 UN13 Main Controller PCB J1003 J1003 ADF Pickup Solenoid T-4-12 4-12 Disassembly/Assembly > List of Parts > Llist of Connector (MF8500 Series) > 3/5...
  • Page 83 Paper Feeder Relay PCB J653 Fixing Sub PCB J4004 J4004 UN11 Paper Feeder Relay PCB J910 UN13 Main Controller PCB UN23 Wireless LAN PCB MF8580Cdw T-4-13 4-13 Disassembly/Assembly > List of Parts > Llist of Connector (MF8500 Series) > 4/5...
  • Page 84 Disassembly/Assembly > List of Parts > Llist of Connector (MF8500 Series) > 5/5 4-14 ■ 5/5 J4018 J4001 J924 J707 J951 J703 J150 J706 J961 J704 J708 J157 J952 J710 J131 J709 J152 J3014 J132 J3012 J709 J3013 J705 J704 J501 J703 J705...
  • Page 85: External Cover, Internal Cover

    Disassembly/Assembly > External Cover, Internal Cover > Location > Front Side 4-15 External Cover, Internal Cover Location ■ Front Side Parts Name Remarks Reference ADF Front Upper Cover ADF Upper Cover Side Guide (Front) Side Guide (Rear) Document Tray Extension Tray Sub Tray Delivery Tray Right Cover...
  • Page 86 Disassembly/Assembly > External Cover, Internal Cover > Location > Rear Side 4-16 ■ Rear Side [10] F-4-13 Parts Name Remarks Reference ADF Rear Cover Rear Upper Cover (Refer to page 4-24) Rear Cover (Refer to page 4-24) Rear Lower Cover (Refer to page 4-25) Power Socket Telephone Line Jack...
  • Page 87: Removing The Left Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Left Cover > Procedure 4-17 Removing the Left Cover 5) While pushing the claw [2] of the Left Cover [1], hold the top of the host machine, and push the Left Cover directly upward with your finger on the [A] part of the Left Cover. ■...
  • Page 88 Disassembly/Assembly > External Cover, Internal Cover > Removing the Left Cover > Installing the Left Cover 4-18 6) Release the hook [2] and remove the Left Cover [1] while opening the rear of the Left Cover ■ Installing the Left Cover [1].
  • Page 89 Disassembly/Assembly > External Cover, Internal Cover > Removing the Left Cover > Installing the Left Cover 4-19 2) Fit the protrusion [1] of Left Cover to the groove [2] of the frame. 4) Install the Left Cover [1]. 3) Insert the claw [3] of the Left Cover to the groove [4] of the Upper Cover to match the Left •...
  • Page 90: Removing The Right Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Right Cover > Installing the Right Cover 4-20 Removing the Right Cover ■ Installing the Right Cover 1) Fit the 3 hooks [2] of the Right Cover into the holes [3] of the Upper Cover ■...
  • Page 91 Disassembly/Assembly > External Cover, Internal Cover > Removing the Right Cover > Installing the Right Cover 4-21 3) Install the 3 hooks [1] at the left side of the Right Cover and the 3 holes [2] of the Right Front Cover. F-4-25 4) Install the Right Cover [1].
  • Page 92: Removing The Right Front Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Right Front Cover > Procerdure 4-22 Removing the Right Front Cover 5) Remove the claw [1] at the lower right side of the Right Front Cover. 6) Put a flat-blade screwdriver into the gap [A] between the upper area of the Right Front ■...
  • Page 93: Removing The Front Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Front Cover > Procerdure 4-23 Removing the Front Cover 3) While closing the Front Cover [1], release the shaft [3] of the Left Link [2] and the protrusion [4]. ■ Preparation 4) While closing the Front Cover [1], release the shaft [6] of the Right Link [5] and the protrusion [7], and remove the Front Cover [1].
  • Page 94: Removing The Rear Upper Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Rear Cover > Procedure 4-24 Removing the Rear Upper Cover Removing the Rear Cover ■ Preparation ■ Procedure 1) Remove the Right Cover. Refer to page 4-20 1) Open the Rear Cover [1]. 2) Remove the Left Cover.
  • Page 95: Removing The Rear Lower Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Rear Lower Cover > Procedure 4-25 Removing the Rear Lower Cover 2) Open the Duplex Feed Unit [1] and remove the 2 claws [2] and 2 bosses [3]. ■ Preparation 1) Remove the Right Cover. Refer to page 4-20. 2) Remove the Left Cover.
  • Page 96 Disassembly/Assembly > External Cover, Internal Cover > Removing the Rear Lower Cover > Procedure 4-26 4) Move the Rear Lower Cover [1] aside from the [A] part of the Duplex Reverse Drive Unit [2]. 5) Hold the Rear Cover Rib Unit [3] and remove the Rear Lower Cover [1]. •...
  • Page 97: Removing The Rear Cover Rib Unit

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Rear Cover Rib Unit > Procedure 4-27 Removing the Rear Cover Rib Unit CAUTION: ■ Preparation At installation, make sure that the spring [1] is installed on [A] part before installing the Rear Cover Rib Unit.
  • Page 98: Removing The Upper Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Upper Cover > Procedure 4-28 Removing the Upper Cover 2) Remove 6 screws [1]. ■ Preparation 1) Remove the Right Cover. Refer to page 4-20. 2) Remove the Left Cover. Refer to page 4-17. 3) Remove the Right Front Cover.
  • Page 99 Disassembly/Assembly > External Cover, Internal Cover > Removing the Upper Cover > Procedure 4-29 4) Push down the flag [1] and remove the rear side of the Upper Cover [2]. F-4-45 5) Remove the Upper Cover [1]. • 3 Hooks [2] F-4-46 4-29 Disassembly/Assembly >...
  • Page 100: Removing The Cartridge Tray

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Cartridge Tray > Procedure 4-30 Removing the Cartridge Tray 4) While raising the stopper [1], remove the Cartridge Tray [2]. • 1 Protrusion [3] ■ Procedure CAUTION: When removing the Toner Cartridge, be careful not to damage the Photosensitive Drum.
  • Page 101: Document Exposure, Feed System

    Disassembly/Assembly > Document Exposure, Feed System > Location 4-31 Document Exposure, Feed System Location No. Parts Name Main Unit Remarks Reference Adjustment during parts replacement [1] ADF Unit Product (Refer to page 4-35) (Refer to page 4-36) Configuration [2] ADF Paper ADF Unit (Refer to page 4-43) - Feeder Unit...
  • Page 102: Removing The Adf Unit + Reader Unit

    Disassembly/Assembly > Document Exposure, Feed System > Removing the ADF Unit + Reader Unit > Procedure 4-32 Removing the ADF Unit + Reader Unit 4) Bring down the Reader Support Shaft [1] to close the ADF Unit +Reader Unit [2]. ■...
  • Page 103 Disassembly/Assembly > Document Exposure, Feed System > Removing the ADF Unit + Reader Unit > Procedure 4-33 6) Remove the 2 Flat Cables [1] and the Ferrite Core [2] on the right side of the machine. CAUTION: • 1 Flat Cable Connector Lock [3] •...
  • Page 104 Disassembly/Assembly > Document Exposure, Feed System > Removing the ADF Unit + Reader Unit > Procedure 4-34 7) Put the 2 Grounding Wires [1] through the hole [A] and open and remove the ADF Unit + Reader Unit [2]. • 2 Screws [3] •...
  • Page 105: Separating The Adf Unit + Reader Unit

    Disassembly/Assembly > Document Exposure, Feed System > Separating the ADF Unit + Reader Unit > Procedure 4-35 Separating the ADF Unit + Reader Unit 2) Remove the Reader Unit Lower Cover [1]. • 1 Screw [2] ■ Preparation • 4 Claws [3] •...
  • Page 106 Disassembly/Assembly > Document Exposure, Feed System > Separating the ADF Unit + Reader Unit > After replacing ADF units 4-36 4) Raise the ADF Unit [1] to separate from the Reader Unit [2] in the direction of the arrow. ■ After replacing ADF units 1) After executing the white level adjustment with the following service mode 1, check the auto setting value with the following service mode 2 and write the value in the service label.
  • Page 107 Disassembly/Assembly > Document Exposure, Feed System > Separating the ADF Unit + Reader Unit > After replacing reader units 4-37 ■ After replacing reader units 4) Set a blank paper on the Copyboard Glass, and execute the white level adjustment with the following service mode 1.
  • Page 108: Removing The Adf Roller Unit

    Disassembly/Assembly > Document Exposure, Feed System > Removing the ADF Roller Unit > Procedure 4-38 Removing the ADF Roller Unit 6) Read the image and execute the adjustment with the following service mode. • FEEDER > ADJUST > DOCST (Image reading start position adjustment at ADF ■...
  • Page 109 Disassembly/Assembly > Document Exposure, Feed System > Removing the ADF Roller Unit > Procedure 4-39 3) Remove the plastic E-ring [1] and slide the bushing [2]. CAUTION: Be careful not to lose the spring [1] attached to the ADF Roller Unit. F-4-64 4) Remove the ADF Roller Unit [1].
  • Page 110: Removing The Adf Pickup Roller

    Disassembly/Assembly > Document Exposure, Feed System > Removing the ADF Pickup Roller > Procedure 4-40 Removing the ADF Pickup Roller CAUTION: ■ Preparation • When installing, match the spring [1] of the ADF Roller Unit to the boss [2]. 1) Remove the ADF Roller Unit. Refer to page 4-38. ■...
  • Page 111: Removing The Adf Separation Roller

    Disassembly/Assembly > Document Exposure, Feed System > Removing the ADF Separation Roller > Procedure 4-41 Removing the ADF Separation Roller 3) Turn the Roller Shaft [1] in the direction of the arrow and fit the projection [2] to the hole of the Roller Holder to remove.
  • Page 112: Removing The Adf Separation Pad

    Disassembly/Assembly > Document Exposure, Feed System > Removing the ADF Separation Pad > Procedure 4-42 Removing the ADF Separation Pad 3) Remove the Retaining Plate [1] On the Back of the Feed Guide. • 2 Screws [2] ■ Procedure • 2 Tabs [3] of the Separation Pad Holder CAUTION: Do not touch the surface of the roller or pad.
  • Page 113: Removing The Adf Pickup Feed Unit

    Disassembly/Assembly > Document Exposure, Feed System > Removing the ADF Pickup Feed Unit > Procedure 4-43 Removing the ADF Pickup Feed Unit CAUTION: ■ Procedure Be careful not to lose the Spring [1] on the Separation Pad Holder. 1) Open the ADF Upper Cover [1]. F-4-79 F-4-81 2) Remove the hook [1] using flat-head driver, and remove the ADF Front Cover [2] in the...
  • Page 114 Disassembly/Assembly > Document Exposure, Feed System > Removing the ADF Pickup Feed Unit > Procedure 4-44 3) Lift the ADF Tray [1] until it stops and release the hook [2] to tip the tray into the 4) Remove the boss [1] to remove the ADF Rear Cover [2] in the direction of the arrow. perpendicular position and remove by pulling upward.
  • Page 115 Disassembly/Assembly > Document Exposure, Feed System > Removing the ADF Pickup Feed Unit > Procedure 4-45 6) Remove the 3 screws [1] of the ADF Pickup Feed Unit. 8) Remove the ADF Upper Cover Unit [1]. • 2 bosses [2] F-4-88 F-4-86 7) Close the ADF Upper Cover [1] to remove the ADF Pickup Feed Unit [2].
  • Page 116: Removing The Adf Pickup Motor

    Disassembly/Assembly > Document Exposure, Feed System > Removing the ADF Pickup Motor > Procedure 4-46 Removing the ADF Pickup Motor CAUTION: ■ Preparation • When installing the ADF Pickup Motor, be sure to hook the gear [1] of the motor on the belt [2].
  • Page 117: Removing The Reader Unit Upper Cover

    Disassembly/Assembly > Document Exposure, Feed System > Removing the Reader Unit Upper Cover > Procedure 4-47 Removing the Reader Unit Upper Cover 2) Remove the Scoopup sheet holder [1]. • 2 claws [2] ■ Preparation 1) Remove the Right Cover. Refer to page 4-20. 2) Remove the Left Cover.
  • Page 118 Disassembly/Assembly > Document Exposure, Feed System > Removing the Reader Unit Upper Cover > After Replacing the Reader Upper Cover Unit 4-48 ■ After Replacing the Reader Upper Cover Unit 3) Set a blank paper on the Copyboard Glass, and execute the white level adjustment with the following service mode 1.
  • Page 119: Removing The Cis Unit

    Disassembly/Assembly > Document Exposure, Feed System > Removing the CIS Unit > Procedure 4-49 Removing the CIS Unit 3) Remove the CIS Unit Mount [1] and remove the flat cable [2]. • 1 guide [3] ■ Preparation CAUTION: 1) Remove the Right Cover. Refer to page 4-20. •...
  • Page 120 Disassembly/Assembly > Document Exposure, Feed System > Removing the CIS Unit > Procedure 4-50 4) Bring up the CIS Unit [1] to remove in the direction of the arrow. CAUTION: • When installing the CIS Unit [1], be sure to replace the CIS Spacer [2] together with the CIS Unit [1] (included in the pacage of the Service Parts).
  • Page 121 Disassembly/Assembly > Document Exposure, Feed System > Removing the CIS Unit > After replacing CIS units 4-51 ■ After replacing CIS units CAUTION: 1) Execute the white level adjustment. If it fails, turn OFF/ON the power and execute the When installing the CIS Unit, be sure to check that the projection [1] is fitted to the dent [2] operation again.
  • Page 122: Removing The Reader Scanner Motor

    Disassembly/Assembly > Document Exposure, Feed System > Removing the Reader Scanner Motor > Procedure 4-52 Removing the Reader Scanner Motor 4) Execute the reading position adjustment with the following service mode. • COPIER > ADJUST > ADJ-XY > ADJ-Y (Value adjustment for image reading start ■...
  • Page 123 Disassembly/Assembly > Document Exposure, Feed System > Removing the Reader Scanner Motor > Procedure 4-53 2) Pull the Drive Belt [1] to move the CIS Unit [2]. 5) Remove the Shaft Retaining Plate [1]. 3) Loosen the screw [3] and move the Pulley Holder [4] in the direction of the arrow to remove •...
  • Page 124 Disassembly/Assembly > Document Exposure, Feed System > Removing the Reader Scanner Motor > Procedure 4-54 7) Move the Motor Mounting Plate [1] and turn it over. • 2 screws [2] • 1 Grounding Plate [3] F-4-108 8) Pass the connector [1] through the hole [A]. 9) Remove the Reader Scanner Motor [3] from the Motor Mounting Plate [2].
  • Page 125: Controller System

    (Refer to page 4-67) - Configuration [2] Main Controller Product (Refer to page 4-61) - Support Plate Configuration [3] FAX-NCU PCB Product MF8580Cdw (Refer to page 4-75) - Configuration /8550Cdn UN16 [4] Main Controller Product UN13 (Refer to page 4-58) (Refer to page 4-58)
  • Page 126 Configuration [16] [14] DC Controller Product (Refer to page 4-61) (Refer to page 4-61) Configuration [17] [15] Off Hook PCB Product MF8580Cdw (Refer to page 4-75) - [12] Configuration /8550Cdn UN17 [16] Speaker Product MF8580Cdw (Refer to page 4-89) -...
  • Page 127: Removing The Controller Cover

    Disassembly/Assembly > Controller System > Removing the Wireless LAN PCB (MF8580Cdw) > Procedure 4-57 Removing the Controller Cover Removing the Wireless LAN PCB (MF8580Cdw) ■ Preparation ■ Preparation 1) Removing the Right Cover. Refer to page 4-20. 1) Removing the Right Cover. Refer to page 4-20.
  • Page 128: Removing The Main Controller Pcb

    1) Removing the Right Cover. Refer to page 4-20. 2) Removing the Controller Cover. Refer to page 4-57. CAUTION: 3) Removing the Wireless LAN PCB.(MF8580Cdw only) Refer to page 4-57. Be sure to perform "Before Replacing the Main Controller PCB (Refer to page 4-58)" ■ Procedure when replacing the Main Controller PCB, respectively.
  • Page 129 Disassembly/Assembly > Controller System > Removing the Main Controller PCB > After replacing main controller PCB 4-59 ■ After replacing main controller PCB CAUTION: 1. Setting of destination/paper size group Be sure to perform the following when connecting the Flat Cable [1] to the connector 1) COPIER >...
  • Page 130 Disassembly/Assembly > Controller System > Removing the Main Controller PCB > After replacing main controller PCB 4-60 4. Migrating the serial number 7. Reinstall the drivers. 1) Enter the serial number (8-digit alphanumeric) in Settings/Registration > System 1) Uninstalling Old Drivers. Settings >...
  • Page 131: Removing The Main Controller Support Plate

    2) Removing the Controller Cover. Refer to page 4-57. when replacing the DC Controller PCB, respectively. 3) Removing the Wireless LAN PCB.(MF8580Cdw only) Refer to page 4-57. 4) Removing the Main Controller PCB. Refer to page 4-58. ■ Before replacing the DC Controller PCB ■...
  • Page 132 Disassembly/Assembly > Controller System > Removing the DC Controller PCB > After replacing DC Controller PCB 4-62 2) Disconnect the 5 flat cables [1]. ■ After replacing DC Controller PCB 1) In service mode, perform the following procedure to restore the DC Controller setting values.
  • Page 133: Removing The High Voltage Power Supply Pcb

    Disassembly/Assembly > Controller System > Removing the High Voltage Power Supply PCB > Procedure 4-63 Removing the High Voltage Power Supply PCB 2) Remove the harness guide [1]. • 6 claws [2] ■ Preparation 1) Removing the Right Cover. Refer to page 4-20. 2) Removing the Left Cover.
  • Page 134 Disassembly/Assembly > Controller System > Removing the High Voltage Power Supply PCB > Procedure 4-64 4) Remove the 6 screws [1] and disconnect the connector [2]. CAUTION: When installing the High-voltage Power PCB [1] to the host machine, make sure that the contact spring [3] is connected from the 18 round holes [2].
  • Page 135: Removing The Low Voltage Unit

    2) Removing the Right Front Cover. Refer to page 4-22. 3) Removing the Controller Cover. Refer to page 4-57. 4) Removing the Wireless LAN PCB.(MF8580Cdw only) Refer to page 4-57. 5) Removing the Main Controller PCB. Refer to page 4-58.
  • Page 136 Disassembly/Assembly > Controller System > Removing the Low Voltage Unit > Procedure 4-66 5) Remove the Low Voltage Unit [1] • 3 connectors [2] F-4-130 4-66 Disassembly/Assembly > Controller System > Removing the Low Voltage Unit > Procedure...
  • Page 137: Removing The Fixing Sub Pcb

    1) Removing the Right Cover. Refer to page 4-20. 2) Removing the Controller Cover. Refer to page 4-57. 3) Removing the Wireless LAN PCB.(MF8580Cdw only) Refer to page 4-57. 4) Removing the Main Controller PCB. Refer to page 4-58. 5) Removing the Main Controller Support Plate. Refer to page 4-61.
  • Page 138: Removing The Driver Pcb

    5) Removing the Rear Upper Cover. Refer to page 4-24. 6) Removing the Upper Cover. Refer to page 4-28. 7) Removing the Wireless LAN PCB.(MF8580Cdw only) Refer to page 4-57. 8) Removing the Main Controller PCB. Refer to page 4-58.
  • Page 139: Removing The Relay Pcb

    Disassembly/Assembly > Controller System > Removing the Relay PCB > Procedure 4-69 Removing the Relay PCB 2) Remove the harness guide [1]. • 1 screw [2] ■ Preparation • 1 hook [3] 1) Removing the Right Cover. Refer to page 4-20. 2) Removing the Left Cover.
  • Page 140: Removing The Control Panel Unit

    Disassembly/Assembly > Controller System > Removing the Control Panel Unit > Procedure 4-70 Removing the Control Panel Unit 1) Remove the claw [1] to remove the Reader Shaft Retainer [2]. 2) While supporting the ADF Unit/Copyboard + Reader Unit [3], remove the Reader Support ■...
  • Page 141 Disassembly/Assembly > Controller System > Removing the Control Panel Unit > Procedure 4-71 5) Remove the screws at the bottom of the Reader Unit [1]. 7) Shift the Control Panel Unit [1], and disconnect the Faston Connector [2]. • 2 Binding Screw [2] •...
  • Page 142 Disassembly/Assembly > Controller System > Removing the Control Panel Unit > Procedure 4-72 CAUTION: CAUTION: Do not touch the IC part [A] of the LCD Flat Cable [1]. Be sure to perform the following when connecting the Flat Cable [1] to the connector with a lock [2].
  • Page 143: Removing The Control Panel Lcd Pcb And Control Panel Key Pcb

    Disassembly/Assembly > Controller System > Removing the Control Panel LCD PCB and Control Panel Key PCB > Procedure 4-73 Removing the Control Panel LCD PCB and Control 1) Remove the Control Panel LCD PCB [1]. • 1 Wire Saddle [2] Panel Key PCB •...
  • Page 144 Disassembly/Assembly > Controller System > Removing the Control Panel LCD PCB and Control Panel Key PCB > Procedure 4-74 3) Remove the Control Panel Key PCB [1]. CAUTION: • 10 Screws [2] (Binding) Be sure to perform the following when connecting the LCD Flat Cable [1] to the connector with a lock [2].
  • Page 145: Removing The Fax Pcb (mf8580cdw/8550cdn)

    Disassembly/Assembly > Controller System > Removing the Off Hook PCB (MF8580Cdw/8550Cdn) > Procedure 4-75 Removing the FAX PCB (MF8580Cdw/8550Cdn) Removing the Off Hook PCB (MF8580Cdw/8550Cdn) ■ Preparation ■ Preparation 1) Removing the Right Cover. Refer to page 4-20. 1) Removing the Right Cover. Refer to page 4-20.
  • Page 146: Removing The Main Drive Unit

    5) Removing the Rear Upper Cover. Refer to page 4-24. 6) Removing the Upper Cover. Refer to page 4-28. 7) Removing the Wireless LAN PCB.(MF8580Cdw only) Refer to page 4-57. 8) Removing the Main Controller PCB. Refer to page 4-58.
  • Page 147 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-77 2) Free the harness [1]. 4) Free the harness [1] from the Harness Guide [A]. • 4 Harness Guides [A] F-4-158 F-4-156 5) Free the harness [1] extruding out of the rear side [B] and [C] of the machine from the 3) Free the harness [1] from the guides [A] and [B] (MF8540Cdn only).
  • Page 148 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-78 6) Remove the Harness Guide and Power Auxiliary Plate [1]. 7) Remove the DC Controller Support Plate [1]. • 2 Screws [2] • 1 Special Flat-head Screw [2] •...
  • Page 149 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-79 8) Remove the Main Switch Unit [1]. CAUTION: • 2 Screws [2] • 1 Hook [3] When installing, be sure to place the [A] part of DC Controller Support Plate under the [B] •...
  • Page 150 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-80 9) Remove the Main Switch Unit Connecting Plate [1]. 11) Remove the wire harness guide [1]. • 3 Screws [2] • 2 claws [2] • 1 hook [3] F-4-164 F-4-166 10) Remove the Right Frame Supporting Plate [1].
  • Page 151 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-81 13) Free the harness [1] and [2] from the Harness Guide [A] and [B]. 15) Remove the wire harness [1] from the wire harness guide [2], and remove the wire harness guide [2] in the arrow direction.
  • Page 152 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-82 16) Remove the wire harness [1], and remove the Drive Unit [2]. CAUTION: • 5 fixing guides [3] • 1 Connector [4] When removing the Main Drive Unit, the Contact Spring [1] may come off so be sure •...
  • Page 153 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-83 CAUTION: Installing the Main Drive Unit 4) The directions of the groove [A] of the gear [1] of the Main Drive Unit and the groove [B] of the Gear Cover of the Main Drive Unit are aligned. 1.
  • Page 154 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-84 [Host machine side] 2.Be sure to keep the following in mind when installing. 5) The direction of the joint [1] on the host machine side is as shown in the figure below •...
  • Page 155: Removing The Duplex Reverse Drive Unit

    Disassembly/Assembly > Controller System > Removing the Duplex Reverse Drive Unit > Procedure 4-85 Removing the Duplex Reverse Drive Unit CAUTION: ■ Preparation Be sure to insert the 2 harnesses [1] at the bottom of the Guide [A] when installing. 1) Removing the Right Cover.
  • Page 156: Removing The Fixing/fixing Power Supply Cooling Fan Unit

    1) Removing the Right Cover. Refer to page 4-20. 2) Removing the Controller Cover. Refer to page 4-57. 3) Removing the Wireless LAN PCB.(MF8580Cdw only) Refer to page 4-57. 4) Removing the Main Controller PCB. Refer to page 4-58. 5) Removing the Main Controller Support Plate. Refer to page 4-61.
  • Page 157 Disassembly/Assembly > Controller System > Removing the Fixing/Fixing Power Supply Cooling Fan Unit > Procedure 4-87 3) Remove the Fixing/Fixing Power Supply Cooling Fan [1]. • 1 claw [2] • 2 protrusions [3] F-4-182 CAUTION: When installing the Cooling Fan, be careful of the installation direction. •...
  • Page 158: Removing The Duplex Feeding Fan

    Disassembly/Assembly > Controller System > Removing the Duplex Feeding Fan > Procedure 4-88 Removing the Duplex Feeding Fan 2) Free the harness [2] from the spring [1]. ■ Preparation 1) Removing the Right Cover. Refer to page 4-20. 2) Removing the Left Cover. Refer to page 4-17. 3) Removing the Rear Upper Cover.
  • Page 159: Removing The Speaker (mf8580cdw/8550cdn)

    Disassembly/Assembly > Controller System > Removing the Speaker (MF8580Cdw/8550Cdn) > Procedure 4-89 Removing the Speaker (MF8580Cdw/8550Cdn) 4) Remove the 2 claws [1] to remove the Duplex Feeding Fan [2]. ■ Preparation 1) Removing the Right Cover. Refer to page 4-20.
  • Page 160: Laser Exposure System

    Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit > Procedure 4-90 Laser Exposure System Removing the Laser Scanner Unit ■ Preparation Location 1) Removing the Right Cover. Refer to page 4-20. 2) Removing the Left Cover. Refer to page 4-17. 3) Removing the Right Front Cover.
  • Page 161 Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit > Procedure 4-91 2) Remove the Harness Guide [1] and free the harness [2] and the Flat Cable [3]. CAUTION: • 2 Flat Cables [4] • 5 Connectors [5] The ITB Unit is under the Laser Scanner Unit.
  • Page 162 Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit > Procedure 4-92 4) Remove the Upper Front Supporting Plate [1]. CAUTION: • 4 screws [2] Be sure to put the flag [1] of the Harness Guide through the hole [A] of the plate, and hook the spring [2] on the flag [3] of the Laser Scanner Unit when installing.
  • Page 163 Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit > Procedure 4-93 5) Remove the Scanner Fixing Spring [1] on the right side from 1 hook [2]. 7) Remove the Scanner Fixing Spring [1] in the rear from 1 hook [2]. 6) Remove the Scanner Fixing Spring [3] on the left from the 1 hook [4].
  • Page 164 Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit > After replacing laser exposure units 4-94 MAI-S-K0(Laser output correction value, horizontal scanning irradiation position0 K) CAUTION:: MAI-S-Y1(Laser output correction value, horizontal scanning irradiation position1 Y) MAI-S-M1(Laser output correction value, horizontal scanning irradiation position1 M) Insert 2 bosses [1] into 2 boss holes [2] when installing.
  • Page 165: Image Formation System

    Disassembly/Assembly > Image Formation System > Removing the ITB Unit > Procedure 4-95 Image Formation System Removing the ITB Unit ■ Preparation Location 1) Removing the Cartridge Tray. Refer to page 4-30. ■ Procedure CAUTION: Be sure not to touch the surface of the ITB and the Secondary Transfer Roller when disassembling/assembling.
  • Page 166 Disassembly/Assembly > Image Formation System > Removing the ITB Unit > Procedure 4-96 2) Disconnect the connector [1]. CAUTION: Be careful not to hit the ITB [1] against the Patch Density/Registration Sensor Unit [2] at the lower side and the frame [3] at the upper side when installing/removing. F-4-205 3) Lift the 2 parts [A] at the front side of the ITB Unit to release the 2 protrusions [1].
  • Page 167 Disassembly/Assembly > Image Formation System > Removing the ITB Unit > Procedure 4-97 4) Open the Rear Cover [1]. CAUTION: 5) Hold the 2 parts [A] at the front side of the ITB Unit to tilt the ITB Unit [2]. 6) Slide the 2 parts [B] at the rear side of the ITB Unit along the rails [3], and remove the ITB Be sure to install the harness [1] to the guide [A] of the ITB Unit when installing.
  • Page 168: Removing The Patch Density And Registration Sensor Unit

    Disassembly/Assembly > Image Formation System > Removing the Patch Density and Registration Sensor unit > Procedure 4-98 Removing the Patch Density and Registration Sensor 2) Move the Patch Density and Registration Sensor Unit [1]. • 2 Screws [2] unit • 2 Bosses [3] •...
  • Page 169 Disassembly/Assembly > Image Formation System > Removing the Patch Density and Registration Sensor unit > Procedure 4-99 4) Lift the 2 parts [A] at the front side of the ITB Unit to release the 2 protrusions [1]. NOTE: When it is difficult to put the connector [1] of the Patch Density/Registration Sensor Unit [2] through the hole [A], refer to the following steps to remove the Front Cover Link Arm (Left) so that the connector [1] can be put through the hole [A] more easily.
  • Page 170: Removing The Developing Motor

    5) Removing the Rear Upper Cover. Refer to page 4-24. 6) Removing the Upper Cover. Refer to page 4-28. 7) Removing the Wireless LAN PCB (MF8580Cdw only). Refer to page 4-57. 8) Removing the Main Controller PCB. Refer to page 4-58.
  • Page 171 Disassembly/Assembly > Image Formation System > Removing the Developing Motor > Procedure 4-101 2) Remove the wire harness guide [1]. CAUTION: • 1 claw [2] • 2 hooks [3] Be sure to identify the Drum Motor and the Developing Motor by the difference in gears. •...
  • Page 172: Removing The Drum Motor

    5) Removing the Rear Upper Cover. Refer to page 4-24. 6) Removing the Upper Cover. Refer to page 4-28. 7) Removing the Wireless LAN PCB (MF8580Cdw only). Refer to page 4-57. 8) Removing the Main Controller PCB. Refer to page 4-58.
  • Page 173 Disassembly/Assembly > Image Formation System > Removing the Drum Motor > Removing the Secondary Transfer Outer Roller 4-103 2) Remove the wire harness guide [1]. CAUTION: • 1 claw [2] • 2 hooks [3] Be sure to identify the Drum Motor and the Developing Motor by the difference in gears. •...
  • Page 174: Fixing System

    Disassembly/Assembly > Fixing System > Removing the Fixing Assembly > Procedure 4-104 Fixing System Removing the Fixing Assembly ■ Preparation Location 1) Removing the Right Cover. Refer to page 4-20. 2) Removing the Left Cover. Refer to page 4-17. 3) Removing the Rear Upper Cover. Refer to page 4-24. 4) Removing the Rear Cover.
  • Page 175 Disassembly/Assembly > Fixing System > Removing the Fixing Assembly > Procedure 4-105 2) Free the harness [1] from the harness guide [2]. 3) Remove the Fixing Assembly [1]. • 3 connectors [3] • 2 screws [2] • 2 fixing guides [4] •...
  • Page 176: Removing The Fixing Film Unit

    Disassembly/Assembly > Fixing System > Removing the Fixing Film Unit > Procedure 4-106 Removing the Fixing Film Unit 2) Remove the gear [1], 2 Parallel Pins [2], E-Ring [3], cam [4], and bushing [5]. • 1 Claws [6] ■ Preparation 1) Removing the Right Cover.
  • Page 177 Disassembly/Assembly > Fixing System > Removing the Fixing Film Unit > Procedure 4-107 3) After sliding the shaft [1] to remove the Parallel Pins [2] and the cam [3], remove the shaft [1] CAUTION: and the Sensor Flag [4]. Be sure to prevent the guide [1] from hitting against the Fixing Film Unit [2] when installing/removing.
  • Page 178 Disassembly/Assembly > Fixing System > Removing the Fixing Film Unit > Procedure 4-108 5) Free the harness (black) [1] from the Harness Guide [A], [B], [C] and [D]. 8) Remove the harness [1] and the guide [2]. • 1 Claws [3] •...
  • Page 179 Disassembly/Assembly > Fixing System > Removing the Fixing Film Unit > Procedure 4-109 9) Remove the spring [1] and the Fixing Film Unit [2]. CAUTION: • 2 Hooks [3] • Harness Guide [A] When installing/removing the Fixing Film Unit, be sure not to touch the Fixing Film [1]. F-4-239 F-4-240 CAUTION:...
  • Page 180: Removing The Fixing Pressure Roller

    Disassembly/Assembly > Fixing System > Removing the Fixing Pressure Roller > Procedure 4-110 Removing the Fixing Pressure Roller ■ Procedure ■ Preparation CAUTION: 1) Removing the Right Cover. Refer to page 4-20. Be sure not to touch the surface of the Fixing Pressure Roller. 2) Removing the Left Cover.
  • Page 181: Removing The Fixing Motor Unit

    • 2 Bosses [4] 2) Removing the Controller Cover. Refer to page 4-57. 3) Removing the Wireless LAN PCB.(MF8580Cdw only) Refer to page 4-57. 4) Removing the Main Controller PCB. Refer to page 4-58. 5) Removing the Main Controller Support Plate. Refer to page 4-61.
  • Page 182 Disassembly/Assembly > Fixing System > Removing the Fixing Motor Unit > Procedure 4-112 2) Remove the Fixing Motor unit [1]. CAUTION: • 3 screws [2] In installation, put the edge of the spring [1] and the projection [2] of the gear into the hole on the sheet metal.
  • Page 183: Pickup Feeder System

    Disassembly/Assembly > Pickup Feeder System 4-113 Pickup Feeder System ■ Location Parts Name Main Unit Remarks Reference Adjustment during parts replacement [1] Cassette Separation Roller Paper Pickup (Refer to page 4-115) - Unit [2] Cassette Pickup Roller Paper Pickup (Refer to page 4-114) - Unit [3] Paper Pickup Unit Product...
  • Page 184: Removing The Cassette Pickup Roller

    Disassembly/Assembly > Pickup Feeder System > Removing the Cassette Pickup Roller > Procedure 4-114 Removing the Cassette Pickup Roller 6) Place a host machine [1] as the Left Cover faces to the bottom. ■ Procedure CAUTION: When laying down the main body, be sure to secure the ADF Unit with tape to prevent CAUTION: from opening.
  • Page 185: Removing The Cassette Separation Roller

    Disassembly/Assembly > Pickup Feeder System > Removing the Cassette Separation Roller > Procedure 4-115 Removing the Cassette Separation Roller 7) Open 2 projections [1], and remove the Pickup Roller [2]. • 2 Claws [3] ■ Procedure • 2 Hooks [4] CAUTION: Be sure not to touch the surface of the Cassette Pickup Roller [1] and the Cassette Separation Roller [2].
  • Page 186 Disassembly/Assembly > Pickup Feeder System > Removing the Cassette Separation Roller > Procedure 4-116 2) Make the Left Cover face down and place the host machine [1]. 4) Open the Holder [1] remove the Cassette Separation Roller [2]. • 2 Claws [3] CAUTION: •...
  • Page 187: Removing The Mp Tray Pickup Roller

    Disassembly/Assembly > Pickup Feeder System > Removing the MP Tray Separation Pad > Procedure 4-117 Removing the MP Tray Pickup Roller Removing the MP Tray Separation Pad ■ Procedure ■ Procedure CAUTION: CAUTION: Do not touch the surface of the Multi-purpose Tray Pickup Roller. Do not touch the surface of the Multi-purpose Tray Separation Pad.
  • Page 188: Removing The Pickup Motor

    5) Removing the Rear Upper Cover. Refer to page 4-24. 6) emoving the Upper Cover. Refer to page 4-28. 7) Removing the Wireless LAN PCB.(MF8580Cdw only) Refer to page 4-57. 8) Removing the Main Controller PCB. Refer to page 4-58.
  • Page 189 Disassembly/Assembly > Pickup Feeder System > Removing the Pickup Motor > Procedure 4-119 2) Free the harness [1] and [2] from the Harness Guide [A] and [B]. 4) Remove the Pickup Motor [1]. • 2 Screws [2] • 1 Connector [3] F-4-259 3) Remove the Harness Guide [1].
  • Page 190: Removing The Pickup Unit

    5) Removing the Rear Upper Cover. Refer to page 4-24. 6) emoving the Upper Cover. Refer to page 4-28. 7) Removing the Wireless LAN PCB.(MF8580Cdw only) Refer to page 4-57. 8) Removing the Main Controller PCB. Refer to page 4-58.
  • Page 191 Disassembly/Assembly > Pickup Feeder System > Removing the Pickup Unit > Procedure 4-121 2) Free the harness [1] and [2] from the Harness Guide [A] and [B]. 4) Release 2 claws [1], and turn the guide [2] to align the hook [4] with the hole on the arm [3], and remove the arm [3].
  • Page 192 Disassembly/Assembly > Pickup Feeder System > Removing the Pickup Unit > Procedure 4-122 5) Please the machine as the Left Cover faces to the bottom. 7) Remove the 2 arms [1] and the 2 springs [2]. • 2 Shafts [3] •...
  • Page 193 Disassembly/Assembly > Pickup Feeder System > Removing the Pickup Unit > Installation Method 4-123 ■ Installation Method 2) Place the edge [A] of the guide of the Pickup Unit over the spring [1] of the host machine. CAUTION: Be sure not to touch the Pickup Roller [1] and the Secondary Transfer Roller [2]. F-4-272 1) Open the Rear Cover [1], Put the harness [2] through the hole [A] of the Side Plate, and Install the Pickup Unit [3] to the host machine.
  • Page 194 Disassembly/Assembly > Pickup Feeder System > Removing the Pickup Unit > Installation Method 4-124 3) Place the Sensor Flag Cover [B] of the Pickup Unit over the plate [C] of the Roller Unit of 4) Place the edge [D] of the Feed Guide of the Pickup Unit over the edge [E] of the Roller Unit the host machine.
  • Page 195: Removing The Mp Tray Pickup Unit

    Disassembly/Assembly > Pickup Feeder System > Removing the MP Tray Pickup Unit > Procedure 4-125 Removing the MP Tray Pickup Unit 3) Move the MP Tray Pickup Unit [1] in the direction of the arrow. ■ Procedure CAUTION: When tilting the host machine, make sure to remove the Toner Cartridge (Y, M, C, Bk) beforehand.
  • Page 196 Disassembly/Assembly > Pickup Feeder System > Removing the MP Tray Pickup Unit > Procedure 4-126 4) Remove the 2 Links [1] (left and right) from the bushings [2] of the MP Tray Pickup Unit. 5) Push a flat-blade screwdriver to the stopper [1] and remove the MP Tray Pickup Unit [2] in the direction of the arrow.
  • Page 197: Removing The Secondary Transfer Feed Unit

    Disassembly/Assembly > Pickup Feeder System > Removing the Secondary Transfer Feed Unit > Procedure 4-127 Removing the Secondary Transfer Feed Unit 2) Remove the Secondary Transfer Feed Unit [1]. • 1 screw [2] CAUTION: CAUTION: Secondary Transfer Outer Roller is included in Secondary Transfer Feed Unit so when When removing the screw, be careful not to lose the guide cap [1] because the guide replacing the Secondary Transfer Outer Roller, be sure to replace the Secondary cap is removed together with the...
  • Page 198: Removing The Delivery Unit

    Disassembly/Assembly > Pickup Feeder System > Removing the Delivery Unit > Procedure 4-128 Removing the Delivery Unit 2) Release the 2 claws [1], and disconnect the connector [2]. ■ Preparation 1) Removing the Right Cover. Refer to page 4-20. 2) Removing the Left Cover. Refer to page 4-17. 3) Removing the Rear Upper Cover.
  • Page 199 Disassembly/Assembly > Pickup Feeder System > Removing the Delivery Unit > Procedure 4-129 4) Remove the Delivery Unit [1]. • 3 screws [2] F-4-288 4-129 Disassembly/Assembly > Pickup Feeder System > Removing the Delivery Unit > Procedure...
  • Page 200: Removing The Duplex Feed Unit

    Disassembly/Assembly > Pickup Feeder System > Removing the Duplex Feed Unit > Procedure 4-130 Removing the Duplex Feed Unit ■ Procedure 1) Shift the Duplex Feed Unit [1] in the direction of the arrow and remove the 2 bearings [2]. ■...
  • Page 201: Removing The Re-pickup Guide Unit

    Disassembly/Assembly > Pickup Feeder System > Removing the Re-pickup Guide Unit > Procedure 4-131 Removing the Re-pickup Guide Unit ■ Procedure 1) Remove the Re-pickup Guide Unit [1]. ■ Preparation • 3 connectors [2] 1) Removing the Right Cover. Refer to page 4-20. •...
  • Page 202: List Of Parts

    Disassembly/Assembly > List of Parts > List of External / Internal Cover(MF8200 series) > Front Side 4-132 List of Parts List of External / Internal Cover(MF8200 series) ■ Front Side Parts Name Remarks Reference ADF Front Upper Cover MF8280Cw/8250Cn [22] /8240Cw/8230Cn ADF Upper Cover MF8280Cw/8250Cn...
  • Page 203 Disassembly/Assembly > List of Parts > List of External / Internal Cover(MF8200 series) > Rear Side 4-133 ■ Rear Side [10] F-4-294 Parts Name Remarks Reference ADF Rear Cover MF8280Cw/8250Cn /8240Cw/8230Cn Rear Upper Cover (Refer to page 4-153) Rear Cover (Refer to page 4-155) Rear Lower Cover (Refer to page 4-154)
  • Page 204: List Of Main Unit (mf8200 Series)

    Disassembly/Assembly > List of Parts > List of Main Unit (MF8200 series) > 2/2 4-134 List of Main Unit (MF8200 series) ■ 2/2 ■ 1/2 [10] [13] [12] F-4-295 [11] Parts Name Remarks Reference Adjastment during parts replacement F-4-296 ADF Unit MF8280Cw/8250Cn (Refer to page 4-160) (Refer to page 4-36)
  • Page 205: List Of Motor/fan (mf8200 Series)

    Disassembly/Assembly > List of Parts > List of Clutch / Solenoid/Heater/Thermistor/Switch/speaker (MF8200 series) 4-135 List of Motor/Fan (MF8200 series) List of Clutch / Solenoid/Heater/Thermistor/Switch/ speaker (MF8200 series) M704 M703 M721 H801 SL706 TH802 M701 M720 M702 SL705 F-4-297 F-4-298 Parts Name Main Unit Remarks Reference...
  • Page 206: List Of Sensor (mf8200 Series)

    Disassembly/Assembly > List of Parts > List of Sensor (MF8200 series) 4-136 List of Sensor (MF8200 series) PS702 Parts Name Main Unit Remarks Reference Adjastment SR611 during SR603 PS703 parts PS701 replacement SR606 PS701 CIS Unit Reader Unit SR609 Homeposition SR605 Sensor PS702 Document End...
  • Page 207: Pcb (mf8200 Series)

    Disassembly/Assembly > List of Parts > PCB (MF8200 series) 4-137 PCB (MF8200 series) UN20 Parts Name Main Unit Remarks Reference Adjastment during parts replacement UN16 UN1 DC Controller Product (Refer to page 4-186) (Refer to page 4-61) configuration UN2 Driver PCB Product (Refer to page 4-187) - configuration...
  • Page 208: List Of Connector (mf8200 Series)

    Disassembly/Assembly > List of Parts > List of connector (MF8200 Series) > 1/4 4-138 List of connector (MF8200 Series) ■ 1/4 J922 J703 J912 J407 J951 J108 J120 J115 J109 J922 J120 J810 J107 J104 J810 J119 J407 J404 J621 J704 J501 J1001...
  • Page 209 Disassembly/Assembly > List of Parts > List of connector (MF8200 Series) > 2/4 4-139 ■ 2/4 J914 J929 J301 J915 J301 J105 J311 J104 J103 J401 J117 MF8230Cn J801 J393 J392 J802 MF8280Cw/8250Cn /8240Cw/8210Cn J391 J211 J391 J210 J373 J351 J203 J401 J352...
  • Page 210 Disassembly/Assembly > List of Parts > List of connector (MF8200 Series) > 3/4 4-140 ■ 3/4 J901 J924 J951 J961 J908 J409 J952 J701 J130 J603 J972 J116 J140 J130 J408 J602 J402 J402 J116 J403 F-4-303 J No. Symbol Name Relay connector J No.
  • Page 211 Disassembly/Assembly > List of Parts > List of connector (MF8200 Series) > 4/4 4-141 ■ 4/4 J904 J903 J918 J942 J1305 J910 J941 J1302 J921 J1404 J2001 J1312 J406 J2003 J1402 J405 J702 J406 F-4-304 J No. Symbol Name Relay connector J No.
  • Page 212: External Cover, Internal Cover

    Disassembly/Assembly > External Cover, Internal Cover > Location > Front Side 4-142 External Cover, Internal Cover Location ■ Front Side Parts Name Remarks Reference ADF Front Upper Cover MF8280Cw/8250Cn [22] /8240Cw/8230Cn ADF Upper Cover MF8280Cw/8250Cn /8240Cw/8230Cn Side Guide (Front) MF8280Cw/8250Cn [13] /8240Cw/8230Cn Side Guide (Rear)
  • Page 213 Disassembly/Assembly > External Cover, Internal Cover > Location > Rear Side 4-143 ■ Rear Side [10] F-4-306 Parts Name Remarks Reference ADF Rear Cover MF8280Cw/8250Cn /8240Cw/8230Cn Rear Upper Cover (Refer to page 4-153) Rear Cover (Refer to page 4-155) Rear Lower Cover (Refer to page 4-154) Power Socket Telephone Line Jack...
  • Page 214: Removing The Left Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Left Cover > Procedure 4-144 Removing the Left Cover 5) Remove the 4 claws [1] at the upper side of the Left Cover. 6) Remove the 3 claws at the rear side of the Left Cover. ■...
  • Page 215 Disassembly/Assembly > External Cover, Internal Cover > Removing the Left Cover > Procedure 4-145 7) Remove the claw [1] at the lower side of the Left Cover. 9) Close the Front Cover [1], and then hold the Left Cover [2] to remove. 8) While supporting the Left Cover, remove the 2 claws [2] at the upper front side of the Left •...
  • Page 216 Disassembly/Assembly > External Cover, Internal Cover > Removing the Left Cover > Installing the Left Cover 4-146 ■ Installing the Left Cover 5) Install the Left Cover [1]. • 5 claws [2] 1) To remove the claw at the lower side of the Left Cover, move the Host Machine for about 5cm from the base.
  • Page 217: Removing The Right Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Right Cover > Procedure 4-147 Removing the Right Cover 5) Remove the 2 screws [1], and release the 5 claws [2]. ■ Procedure NOTE:: The following shows the 9 claws of the Right Cover. F-4-317 6) Release the claw [1] and claw [2] while opening the Right Cover.
  • Page 218 Disassembly/Assembly > External Cover, Internal Cover > Removing the Right Cover > Installing the Right Cover 4-148 7) Release the claw [1] while opening the Right Cover. ■ Installing the Right Cover 8) Close the Front Cover [2], release the claw [3], and then remove the Right Cover [4]. 1) Open the Multi-purpose Tray Pickup Cover [1] and attach the 2 claws [2] on the lower side and 2 claws [3] on the front side of the Right Cover.
  • Page 219 Disassembly/Assembly > External Cover, Internal Cover > Removing the Right Cover > Installing the Right Cover 4-149 2) Insert the 5 claws [1] on the upper side of the Right Cover and install the Right Cover [2]. • 2 screws [3] F-4-322 4-149 Disassembly/Assembly >...
  • Page 220: Removing The Front Covent Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Front Covent Cover > Procedure 4-150 Removing the Front Covent Cover 4) Remove the cartridges ■ Procedure CAUTION: Since the Cartridge Tray interferes with the stopper when removing the stopper, do not 1) Remove the Cassette [1].
  • Page 221 Disassembly/Assembly > External Cover, Internal Cover > Removing the Front Covent Cover > Procedure 4-151 7) Insert a flat-blade screwdriver into the clearance [A] between the Left Stopper [1] and rail. 10) Close the Front Cover [1]. 8) Remove the Left Stopper [1] while pushing the [B] part. 11) Open the Multi-purpose Tray Pickup Slot Cover [2] and Multi-purpose Tray Pickup Tray [3].
  • Page 222 Disassembly/Assembly > External Cover, Internal Cover > Removing the Front Covent Cover > Procedure 4-152 14) Open the Front Cover [1] to remove the Feeding Guide [2]. 17) Remove the Fixation Pin [1] of the Right Arm. • 1 Claw [2] F-4-330 15) Put the Front Cover [1] back to position A.
  • Page 223: Removing The Rear Upper Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Rear Upper Cover > Procedure 4-153 Removing the Rear Upper Cover 19) Push and remove the Left Arm [1]. • 1 Shaft [2] ■ Preparation 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Left Cover.
  • Page 224: Removing The Rear Lower Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Rear Lower Cover > Procedure 4-154 Removing the Rear Lower Cover 2) Open the Rear Cover and remove the Rear Lower Cover [1] in the direction of the arrow. • 1 boss [2] ■...
  • Page 225: Removing The Rear Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Rear Cover > Procedure 4-155 Removing the Rear Cover CAUTION: ■ Preparation When installing the Rear Door, be sure to install [A] part to be attached outside of [B] part. 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Left Cover.
  • Page 226: Removing The Upper Cover

    Disassembly/Assembly > External Cover, Internal Cover > Removing the Upper Cover > Procedure 4-156 Removing the Upper Cover 3) Remove the Upper Cover [1]. • 8 screws [2] ■ Preparation • 1 claw [3] 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Left Cover.
  • Page 227: Document Exposure/feeder System

    Disassembly/Assembly > Document exposure/feeder system > Location 4-157 Document exposure/feeder system Location No. Parts Name Main Unit Remarks Reference Adjustment during parts replacement [1] ADF Unit Product MF8280Cw/8250Cn (Refer to page 4-160) (Refer to page 4-36) Configuration /8240Cw/8230Cn [2] ADF Paper ADF Unit MF8280Cw/8250Cn (Refer to page 4-169) -...
  • Page 228: Removing The Adf Unit/copyboard + Reader Unit

    Disassembly/Assembly > Document exposure/feeder system > Removing the ADF Unit/Copyboard + Reader Unit > Procedure 4-158 Removing the ADF Unit/Copyboard + Reader Unit 4) Remove the handle [1]. • 2 screws [2] ■ Preparation 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Left Cover.
  • Page 229 Disassembly/Assembly > Document exposure/feeder system > Removing the ADF Unit/Copyboard + Reader Unit > Procedure 4-159 6) Disconnect the connector [1], connector (only for models with ADF) [2], and 2 Flat Cables [3]. CAUTION: • 1 Flat Cable Connector Lock [4] •...
  • Page 230: Separating The Adf Unit/copyboard + Reader Unit

    Disassembly/Assembly > Document exposure/feeder system > Separating the ADF Unit/Copyboard + Reader Unit > Procedure 4-160 Separating the ADF Unit/Copyboard + Reader Unit 7) Disconnect the grounding [1] and grounding [2] (only for models with ADF). • 2 Screws [3] ■...
  • Page 231 Disassembly/Assembly > Document exposure/feeder system > Separating the ADF Unit/Copyboard + Reader Unit > Procedure 4-161 2) Remove the Reader Unit Lower Cover [1] (only for models with ADF). 4) Open the ADF Unit/Copyboard and separeate it to the dirrection of the arrow from the •...
  • Page 232 Disassembly/Assembly > Document exposure/feeder system > Separating the ADF Unit/Copyboard + Reader Unit > After replacing reader units 4-162 ■ After replacing ADF units ■ After replacing reader units 1) After executing the white level adjustment with the following service mode 1, check the 1) Release 2 claws [1] and Remove the Scoopup sheet holder [2], Enter the setting value of auto setting value with the following service mode 2 and write the value in the service label.
  • Page 233 Disassembly/Assembly > Document exposure/feeder system > Separating the ADF Unit/Copyboard + Reader Unit > After replacing reader units 4-163 4) Set a blank paper on the Copyboard Glass, and execute the white level adjustment with 6) Read the image and execute the adjustment with the following service mode. the following service mode 1.
  • Page 234: Removing The Adf Roller Unit (mf8280cw/8250cn/8240cw/8230cn)

    Disassembly/Assembly > Document exposure/feeder system > Removing the ADF Roller Unit (MF8280Cw/8250Cn/8240Cw/8230Cn) > Procedure 4-164 Removing the ADF Roller Unit 3) Remove the plastic E-ring [1] and slide the bushing [2]. (MF8280Cw/8250Cn/8240Cw/8230Cn) ■ Procedure CAUTION: Do not touch the surface of the roller. 1) Open the ADF Upper Cover [1].
  • Page 235 Disassembly/Assembly > Document exposure/feeder system > Removing the ADF Roller Unit (MF8280Cw/8250Cn/8240Cw/8230Cn) > Procedure 4-165 CAUTION: CAUTION: Be careful not to lose the spring [1] attached to the ADF Roller Unit. • When installing, match the spring [1] of the ADF Roller Unit to the boss [2]. F-4-362 F-4-363 •...
  • Page 236: Removing The Adf Pickup Roller (mf8280cw/8250cn/8240cw/8230cn)

    Disassembly/Assembly > Document exposure/feeder system > Removing the ADF separation roller (MF8280Cw/8250Cn/8240Cw/8230Cn) > Procedure 4-166 Removing the ADF separation roller Removing the ADF Pickup Roller (MF8280Cw/8250Cn/8240Cw/8230Cn) (MF8280Cw/8250Cn/8240Cw/8230Cn) ■ Preparation ■ Preparation 1) Remove the ADF roller unit. Refer to page 4-164. 1) Remove the ADF roller unit.
  • Page 237: Removing The Adf Separation Pad (mf8280cw/8250cn/8240cw/8230cn)

    Disassembly/Assembly > Document exposure/feeder system > Removing the ADF Separation Pad (MF8280Cw/8250Cn/8240Cw/8230Cn) > Procedure 4-167 Removing the ADF Separation Pad 3) Turn the Roller Shaft [1] in the direction of the arrow and fit the projection [2] to the hole of the Roller Holder to remove.
  • Page 238 Disassembly/Assembly > Document exposure/feeder system > Removing the ADF Separation Pad (MF8280Cw/8250Cn/8240Cw/8230Cn) > Procedure 4-168 3) Remove the Feed Guide [1] in the direction of the arrow. CAUTION: • 2 bosses [2] • 1 claw [3] • Be careful not to lose the spring [2] attached to the Separation Pad Holder [1]. F-4-373 F-4-375 4) Reverse the Feed Guide.
  • Page 239: Removing The Adf Pickup Feed Unit (mf8280cw/8250cn/8240cw/8230cn)

    Disassembly/Assembly > Document exposure/feeder system > Removing the ADF Pickup Feed Unit (MF8280Cw/8250Cn/8240Cw/8230Cn) > Procedure 4-169 Removing the ADF Pickup Feed Unit 6) Remove the Separation Pad [1]. • Pad retainer [2] (MF8280Cw/8250Cn/8240Cw/8230Cn) • Sheet [3] ■ Procedure 1) Open the ADF Upper Cover [1]. F-4-377 F-4-378 2) Remove the hook [1] using flat-head driver, and remove the ADF Front Cover [2] in the...
  • Page 240 Disassembly/Assembly > Document exposure/feeder system > Removing the ADF Pickup Feed Unit (MF8280Cw/8250Cn/8240Cw/8230Cn) > Procedure 4-170 3) Lift the ADF Tray [1] until it stops and release the hook [2] to tip the tray into the 4) Remove the boss [1] to remove the ADF Rear Cover [2] in the direction of the arrow. perpendicular position and remove by pulling upward.
  • Page 241 Disassembly/Assembly > Document exposure/feeder system > Removing the ADF Pickup Feed Unit (MF8280Cw/8250Cn/8240Cw/8230Cn) > Procedure 4-171 6) Remove the 3 screws [1] of the ADF Pickup Feed Unit. 7) Close the ADF Upper Cover [1] to remove the ADF Pickup Feed Unit [2]. F-4-384 8) Remove the ADF Upper Cover Unit [1].
  • Page 242: Removing The Adf Pickup Motor (mf8280cw/8250cn/8240cw/8230cn)

    Disassembly/Assembly > Document exposure/feeder system > Removing the ADF Pickup Motor (MF8280Cw/8250Cn/8240Cw/8230Cn) > Procedure 4-172 Removing the ADF Pickup Motor CAUTION: (MF8280Cw/8250Cn/8240Cw/8230Cn) • When installing the ADF Pickup Motor, be sure to hook the gear [1] of the motor on the belt [2].
  • Page 243: Removing The Reader Unit Upper Cover

    Disassembly/Assembly > Document exposure/feeder system > Removing the Reader Unit Upper Cover > Procedure 4-173 Removing the Reader Unit Upper Cover 2) Remove the Scoopup sheet holder [1]. • 2 claws [2] ■ Preparation 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Left Cover.
  • Page 244 Disassembly/Assembly > Document exposure/feeder system > Removing the Reader Unit Upper Cover > After Replacing the Reader Upper Cover Unit 4-174 ■ After Replacing the Reader Upper Cover Unit 3) Set a blank paper on the Copyboard Glass, and execute the white level adjustment with the following service mode 1.
  • Page 245: Removing The Cis Unit

    Disassembly/Assembly > Document exposure/feeder system > Removing the CIS Unit > Procedure 4-175 Removing the CIS Unit 3) Remove the CIS Unit Mount [1] and remove the flat cable [2]. • 1 guide [3] ■ Preparation CAUTION: 1) Remove the Right Cover. Refer to page 4-147. •...
  • Page 246 Disassembly/Assembly > Document exposure/feeder system > Removing the CIS Unit > Procedure 4-176 4) Bring up the CIS Unit [1] to remove in the direction of the arrow. CAUTION: • When installing the CIS Unit [1], be sure to replace the CIS Spacer [2] together with the CIS Unit [1] (included in the pacage of the Service Parts).
  • Page 247 Disassembly/Assembly > Document exposure/feeder system > Removing the CIS Unit > After replacing CIS units 4-177 3) Set a blank paper on the Copyboard Glass, and execute the white level adjustment with CAUTION: the following service mode 1. Then, check the auto setting value with the following service mode 2 and write the value in the service label.
  • Page 248: Removing The Reader Scanner Motor

    Disassembly/Assembly > Document exposure/feeder system > Removing the Reader Scanner Motor > Procedure 4-178 Removing the Reader Scanner Motor 2) Pull the Drive Belt [1] to move the CIS Unit [2]. 3) Loosen the screw [3] and move the Pulley Holder [4] in the direction of the arrow to remove ■...
  • Page 249 Disassembly/Assembly > Document exposure/feeder system > Removing the Reader Scanner Motor > Procedure 4-179 5) Remove the Shaft Retaining Plate [1]. 7) Move the Motor Mounting Plate [1] and turn it over. • 1 screw [2] • 2 screws [2] •...
  • Page 250: Controller System

    Disassembly/Assembly > Controller System > Location > (1/2) 4-180 Controller System Location ■ (1/2) Parts Name Main Unit Remarks Reference Adjustment during parts replacement [1] Controller Cover Product (Refer to page 4-182) - Configuration [2] Main Controller Product UN20 (Refer to page 4-183) (Refer to page 4-58) Configuration [3] Wireless LAN Product...
  • Page 251 Disassembly/Assembly > Controller System > Location > (2/2) 4-181 ■ (2/2) [13] Parts Name Main Unit Remarks Reference Adjustment during [14] [15] parts replacement [12] Sub Drive Unit Product (Refer to page 4-209) - [12] Configuration [13] FAX-NCU PCB Product MF8280Cw (Refer to page 4-201) - Configuration...
  • Page 252: Removing The Controller Cover

    Disassembly/Assembly > Controller System > Removing the Wireless LAN PCB (MF8280Cw/8240Cw) > Procedure 4-182 Removing the Controller Cover Removing the Wireless LAN PCB (MF8280Cw/8240Cw) ■ Preparation ■ Preparation 1) Remove the Right Cover. Refer to page 4-147. 1) Remove the Right Cover. Refer to page 4-147. ■...
  • Page 253: Removing The Main Controller Pcb

    Disassembly/Assembly > Controller System > Removing the Main Controller PCB > Preparation 4-183 Removing the Main Controller PCB ■ Preparation 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Controller Cover. Refer to page 4-182. CAUTION: 3) Remove the Wireless LAN PCB.(MF8280Cw/8240Cw only) Refer to page 4-182. Be sure to perform "Before Replacing the Main Controller PCB (Refer to page 4-58)"...
  • Page 254 Disassembly/Assembly > Controller System > Removing the Main Controller PCB > Procedure 4-184 ■ Procedure CAUTION: 1) Remove the Main Controller PCB [1]. Be sure to perform the following when connecting the Flat Cable [1] to the connector • 1 Flat Cable Connector Lock [2] with a lock [2].
  • Page 255 Disassembly/Assembly > Controller System > Removing the Main Controller PCB > After replacing main controller PCBs 4-185 ■ After replacing main controller PCBs 4. Migrating the serial number 1) Enter the serial number (8-digit alphanumeric) in Settings/Registration > System 1. Setting of destination/paper size group Settings >...
  • Page 256: Removing The Dc Controller Pcb

    Disassembly/Assembly > Controller System > Removing the DC Controller PCB > Procedure 4-186 Removing the DC Controller PCB MEMO MAC address information is changed after replacement of the Main Controller PCB. Therefore, when the PC and the machine are connected by the network, the PC will CAUTION: not be able to recognize the machine on the network.
  • Page 257: Removing The Driver Pcb

    Disassembly/Assembly > Controller System > Removing the Driver PCB > Procedure 4-187 Removing the Driver PCB ■ After replacing the DC Controller PCB 1) In service mode, perform the following procedure to restore the DC Controller setting ■ Preparation values. 1) Remove the Right Cover.
  • Page 258 Disassembly/Assembly > Controller System > Removing the Driver PCB > Procedure 4-188 2) Remove the Speaker Holder [1]. 4) Remove the Low Voltage Power Supply Unit Cover [1]. • 2 Screws [2] • 4 Claws [2] • 2 Hooks [3] •...
  • Page 259 Disassembly/Assembly > Controller System > Removing the Driver PCB > Procedure 4-189 6) Remove the Driver PCB [1]. CAUTION: • 1 Flat Cable [2] • 7 Connectors [3] When installing the Harness Guide [1] shifted in step 5 to the plate of the host machine, •...
  • Page 260: Removing The Low Voltage Power Supply Unit

    Disassembly/Assembly > Controller System > Removing the Low Voltage Power Supply Unit > Procedure 4-190 Removing the Low Voltage Power Supply Unit 2) Free the harness [1] from the guides [A], [B], and [C]. • 6 Connectors [2] ■ Preparation 1) Remove the Right Cover.
  • Page 261 Disassembly/Assembly > Controller System > Removing the Low Voltage Power Supply Unit > Procedure 4-191 4) Remove the Harness Guide [1]. 6) Shift the Fax Cover Plate [1], and remove the Harness Guide [2]. • 1 Connector [2] • 3 Screws [3] •...
  • Page 262 Disassembly/Assembly > Controller System > Removing the Low Voltage Power Supply Unit > Procedure 4-192 8) Remove the Low Voltage Power Supply Unit Cover [1]. 9) Pull out the Low Voltage Power Supply Unit [1] for about 2 cm. • 4 Claws [2] •...
  • Page 263: Removing The High Voltage Power Supply Pcb

    Disassembly/Assembly > Controller System > Removing the High Voltage Power Supply PCB > Procedure 4-193 Removing the High Voltage Power Supply PCB 10) Free the Power Supply Harness [1] by putting it through the hole [A] of the plate. • 1 Connector [2] ■...
  • Page 264 Disassembly/Assembly > Controller System > Removing the High Voltage Power Supply PCB > Procedure 4-194 2) Remove the Harness [1]. 5) Remove the High Voltage Power Supply PCB [1]. • 1 Connector [2] • 3 screws (binding) [2] • Harness Guide [A] •...
  • Page 265: Removing The Fixing Power Supply Unit

    Disassembly/Assembly > Controller System > Removing the Fixing Power Supply Unit > Procedure 4-195 Removing the Fixing Power Supply Unit 2) Remove the Harness Guide [1]. • 1 Connector [2] ■ Preparation • 1 Hook [3] 3) Remove the Fixing Power Supply Unit [4]. 1) Remove the Right Cover.
  • Page 266: Removing The Control Panel Unit

    Disassembly/Assembly > Controller System > Removing the Control Panel Unit > Procedure 4-196 Removing the Control Panel Unit 1) Remove the claw [1] to remove the Reader Shaft Retainer [2]. 2) While supporting the ADF Unit/Copyboard + Reader Unit [3], remove the Reader Support ■...
  • Page 267 Disassembly/Assembly > Controller System > Removing the Control Panel Unit > Procedure 4-197 5) Remove the screws at the bottom of the Reader Unit [1]. 7) Shift the Control Panel Unit [1], and disconnect the Faston Connector [2]. • 1 Binding Screw [2] •...
  • Page 268 Disassembly/Assembly > Controller System > Removing the Control Panel Unit > Procedure 4-198 8) Turn the Control Panel Unit [1] over, and disconnect the Flat Cable [2]. CAUTION: • 1 Flat Cable Connector Lock [3] Be sure to perform the following when connecting the Flat Cable [1] to the connector CAUTION: with a lock [2].
  • Page 269: Removing The Control Panel Lcd Pcb And Control Panel Key Pcb

    Disassembly/Assembly > Controller System > Removing the Control Panel LCD PCB and Control Panel Key PCB > Procedure 4-199 Removing the Control Panel LCD PCB and Control 1) Remove the Control Panel LCD PCB [1]. • 1 Wire Saddle [2] Panel Key PCB •...
  • Page 270 Disassembly/Assembly > Controller System > Removing the Control Panel LCD PCB and Control Panel Key PCB > Procedure 4-200 3) Remove the Control Panel Key PCB [1]. CAUTION: • 10 Screws [2] (Binding) Be sure to perform the following when connecting the LCD Flat Cable [1] to the connector with a lock [2].
  • Page 271: Removing The Fax Pcb (mf8280cw/8250cn)

    Disassembly/Assembly > Controller System > Removing the Off Hook PCB (MF8280Cw/8250Cn) > Procedure 4-201 Removing the FAX PCB (MF8280Cw/8250Cn) Removing the Off Hook PCB (MF8280Cw/8250Cn) ■ Preparation ■ Preparation 1) Remove the Right Cover. Refer to page 4-147. 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Controller Cover.
  • Page 272 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-202 Removing the Main Drive Unit ■ Procedure 1) Pull out the Cartridge Tray [1]. ■ Preparation 2) Remove the ITB Fixing Holder [2]. 1) Remove the Right Cover. Refer to page 4-147. •...
  • Page 273 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-203 4) Free the harness [1] from the guide [A]. 8) Free the harness [1] from the guide [A]. 5) Free the harness [2] from the guides [A], and [B]. 9) Remove the Harness Support Plate [2].
  • Page 274 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-204 11) Place a sheet of paper [1] over the hole [A], and remove the Link Shaft Stopper [2]. CAUTION: • 2 Claws [3] When installing the Link Shaft, be sure to fit the boss [1] of the Link Shaft to the groove [2] NOTE: of the arm of the Main Drive Unit.
  • Page 275 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-205 13) Remove the Main Switch Unit [1]. 15) Free the harness [1]. • 2 Screws [2] • 1 Connector [2] • Guide [A] 16) Free the harness [3]. •...
  • Page 276 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-206 18) While lifting the Frame Plate [1], remove the Fax Cover Plate [2]. 20) Remove the Harness Guide [1]. • 2 Screws [3] • 1 Boss [2] •...
  • Page 277 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-207 22) Release the 2 hooks [1] of the Main Drive Unit from the claw [2] in the direction of the CAUTION: arrow, and remove the Main Drive Unit [3]. •...
  • Page 278 Disassembly/Assembly > Controller System > Removing the Main Drive Unit > Procedure 4-208 CAUTION: • Be sure to check that the ITB Link [2] of the Main Drive Unit [1] is set at the correct position as shown in the figure below.If not, turn the ITB Link [2] in the direction of the arrow to be set at the correct position.
  • Page 279 Disassembly/Assembly > Controller System > Removing the Sub Drive Unit > Procedure 4-209 Removing the Sub Drive Unit CAUTION: ■ Preparation • When installing the Sub Drive Unit, go through the following steps. 1) Install the bushing [2] and the Parallel Pin [3] to the shaft [1]. 1) Remove the Right Cover.
  • Page 280: Removing The Main Motor

    Disassembly/Assembly > Controller System > Removing the Main Motor > Procedure 4-210 Removing the Main Motor 2) Remove the Main Motor [1]. • 1 Connector [2] ■ Preparation • 4 Screws [3] 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Controller Cover.
  • Page 281: Removing The Fan

    Disassembly/Assembly > Controller System > Removing the Fan > Procedure 4-211 Removing the Fan 2) Free the Fan Retainer Spring [1] from the 2 guides [A] of the Fan Duct. 3) While lifting the edge [B] of the Low Voltage Power Supply Unit Cover, free the Fan ■...
  • Page 282: Removing The Speaker (mf8280cw/8250cn)

    Disassembly/Assembly > Controller System > Removing the Speaker (MF8280Cw/8250Cn) > Procedure 4-212 Removing the Speaker (MF8280Cw/8250Cn) 4) Remove the fan [1]. • 2 Claws [2] ■ Preparation 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Controller Cover. Refer to page 4-182. ■...
  • Page 283: Laser Exposure System

    Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit > Procedure 4-213 Laser Exposure System Removing the Laser Scanner Unit ■ Preparation Location 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Left Cover. Refer to page 4-144. 3) Remove the Rear Upper Cover.
  • Page 284 Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit > Procedure 4-214 1) Disconnect the Flat Cable [1]. 4) Free the harness [1] from the guide [A]. 2) Disconnect the 2 Flat Cables [2]. 5) Free the harness [2] from the guide [A] and [B]. •...
  • Page 285 Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit > Procedure 4-215 8) Free the harness [1] from the guide [A]. 11) Remove the spring [1]. 9) Remove the Harness Support Plate [2]. • 1 Hole [A] of the Sensor Arm •...
  • Page 286 Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit > Procedure 4-216 12) Remove the Scanner Fixation Spring [1] on the right side. 15) Remove the Laser Scanner Unit [1]. • 1 Hook [2] • 2 Bosses [2] •...
  • Page 287 Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit > After replacing laser exposure units 4-217 ■ After replacing laser exposure units 2) After values are registered, affix the label [1] packaged with the unit on the inside [2] of the right cover.
  • Page 288: Image Formation System

    Disassembly/Assembly > Image Formation System > Removing the ITB Unit > Procedure 4-218 Image Formation System Removing the ITB Unit ■ Preparation Location 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Left Cover. Refer to page 4-144. 3) Remove the Rear Upper Cover.
  • Page 289 Disassembly/Assembly > Image Formation System > Removing the ITB Unit > Procedure 4-219 3) Remove the cartridges 8) Remove the Cartridge Tray [1]. 4) Insert a flat-blade screwdriver into the clearance [A] between the Right Stopper [1] and rail. 5) Remove the Right Stopper [1] while pushing the [B] part. •...
  • Page 290 Disassembly/Assembly > Image Formation System > Removing the ITB Unit > Procedure 4-220 10) Remove the ITB Fixing Holder [1]. CAUTION: • 1 screw [2] Do not place the Drive Link [2] of the ITB Unit on the edge of the rail [B]; otherwise, the ITB Unit [1] falls.
  • Page 291 Disassembly/Assembly > Image Formation System > Removing the ITB Unit > Procedure 4-221 11) Hold the 2 parts [A] of the ITB Unit to pull out the ITB Unit [1]. Then, place the ITB Drive 12) Put the connector [1] through the hole [A] of the guide, and secure the harness [2] to the Link [2] at the center of the rail [B].
  • Page 292 Disassembly/Assembly > Image Formation System > Removing the ITB Unit > Procedure 4-222 13) Hold the 2 parts [A] of the ITB Unit and pull out the ITB Unit [1] horizontally by approx. 5 CAUTION: 14) Hold the 2 guides [B] at the both ends of the ITB Unit, and remove the ITB Unit [1]. •...
  • Page 293: Removing The Secondary Transfer Outer Roller

    Disassembly/Assembly > Image Formation System > Removing the Secondary Transfer Outer Roller > Procedure 4-223 Removing the Secondary Transfer Outer Roller 2) Remove the 2 stoppers [1]. • 2 claws [2] ■ Procedure 3) Remove the Secondary Transfer Outer Roller [3]. 1) Open the Rear Cover [1].
  • Page 294 Disassembly/Assembly > Image Formation System > Removing the Secondary Transfer Outer Roller > Procedure 4-224 CAUTION: When installing the Secondary Transfer External Roller, take note of the direction of the Secondary Transfer Roller [1]. long short F-4-511 4-224 Disassembly/Assembly > Image Formation System > Removing the Secondary Transfer Outer Roller > Procedure...
  • Page 295: Fixing System

    Disassembly/Assembly > Fixing System > Removing the Fixing Assembly > Procedure 4-225 Fixing System Removing the Fixing Assembly ■ Preparation Location 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Left Cover. Refer to page 4-144. 3) Remove the Rear Upper Cover. Refer to page 4-153. 4) Remove the Rear Lower Cover.
  • Page 296 Disassembly/Assembly > Fixing System > Removing the Fixing Assembly > Procedure 4-226 2) Free the 1 harness [1]. 3) Free the 2 harnesses [1]. • 2 connectors [2] • 2 connectors [2] • Harness guide [A] • Guide [B] • Guide [C] •...
  • Page 297 Disassembly/Assembly > Fixing System > Removing the Fixing Assembly > Procedure 4-227 4) Remove the Fixing Assembly [1]. • 4 screws [2] F-4-516 4-227 Disassembly/Assembly > Fixing System > Removing the Fixing Assembly > Procedure...
  • Page 298: Replacing The Fixing Film Unit

    Disassembly/Assembly > Fixing System > Replacing the Fixing Film Unit > Procedure 4-228 Replacing the Fixing Film Unit ■ Procedure ■ Preparation CAUTION: 1) Remove the Right Cover. Refer to page 4-147. When installing/removing the Fixing Film Unit [1], be sure not to touch the Fixing Film [2]. 2) Remove the Left Cover.
  • Page 299 Disassembly/Assembly > Fixing System > Replacing the Fixing Film Unit > Procedure 4-229 1) Remove the 2 Spring Retainer Holders [1] (right and left) and the 2 springs [2]. CAUTION: 2) Remove the 2 Pressure Plates [3] (right and left). •...
  • Page 300 Disassembly/Assembly > Fixing System > Replacing the Fixing Film Unit > Procedure 4-230 3) Remove the gear [1]. CAUTION: • 1 Claw [2] 4) Remove the Shaft Unit [3] and the bushing [4]. At installation, be sure to combine the Guide Retainer Plate [1] with the Fixing Guide (Upper) [2] before installing them to the Fixing Assembly.
  • Page 301: Removing The Fixing Pressure Roller

    Disassembly/Assembly > Fixing System > Removing the Fixing Pressure Roller > Procedure 4-231 Removing the Fixing Pressure Roller 7) Disconnect the connector [1]. ■ Preparation 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Left Cover. Refer to page 4-144. 3) Remove the Rear Upper Cover.
  • Page 302: Removing The Fixing Motor

    Disassembly/Assembly > Fixing System > Removing the Fixing Motor > Procedure 4-232 Removing the Fixing Motor 2) Slide the Fixing Motor [1] in the upper right direction to remove. • 1 connector [2] ■ Preparation • 2 screws [3] 1) Remove the Right Cover. Refer to page 4-147. 2) Remove the Controller Cover.
  • Page 303: Pickup Feeder System

    Disassembly/Assembly > Pickup Feeder System > Removing the Cassette Pickup Roller > Procedure 4-233 Pickup Feeder System Removing the Cassette Pickup Roller ■ Procedure Location CAUTION: Be sure not to touch the surface of the Cassette Pickup Roller [1] and the Cassette Separation Roller [2].
  • Page 304 Disassembly/Assembly > Pickup Feeder System > Removing the Cassette Pickup Roller > Procedure 4-234 5) Remove the cassette [1]. 7) Open 2 projections [1] of the holder in the arrow direction, and remove the cassette Pickup Roller [2]. • 2 Claws [3] •...
  • Page 305: Removing The Cassette Separation Roller

    Disassembly/Assembly > Pickup Feeder System > Removing the Cassette Separation Roller > Procedure 4-235 Removing the Cassette Separation Roller 1) Remove the cassette [1]. ■ Procedure CAUTION: Be sure not to touch the surface of the Cassette Pickup Roller [1] and the Cassette Separation Roller [2].
  • Page 306 Disassembly/Assembly > Pickup Feeder System > Removing the Cassette Separation Roller > Procedure 4-236 3) Remove the 2 projections [1] to remove the Cover [2]. CAUTION: At installation, be sure to align the protrusion [A] of the Cassette Separation Roller [2] with the groove [B] of the holder while opening the holder [1].
  • Page 307: Removing The Multi-purpose Tray Unit

    Disassembly/Assembly > Pickup Feeder System > Removing the Multi-purpose Tray Unit > Procedure 4-237 Removing the Multi-purpose Tray Unit 2) Open the Multi-purpose Tray Pickup Cover. 3) Move the 2 Multi-purpose Tray Paper Width Guide Plates [1] to the center as shown in the ■...
  • Page 308 Disassembly/Assembly > Pickup Feeder System > Removing the Multi-purpose Tray Unit > Procedure 4-238 4) Lower the claw [1], move the shaft [3] at the lower side of the Multi-purpose Tray Unit [2] 5) While pushing the shaft [2] at the lower side of the Multi-purpose Tray Unit [1] down, to the leading edge [A] of the claw [1], and then push the shaft [4] at the upper side of the remove the shaft [3] at the upper side of the Multi-purpose Tray Unit from the groove [B], Multi-purpose Tray Unit all the way to the groove [B].
  • Page 309 Disassembly/Assembly > Pickup Feeder System > Removing the Multi-purpose Tray Unit > Installation Method 4-239 6) Remove the Multi-purpose Tray Unit [1]. ■ Installation Method 1) Set the 2 links [1] of the Multi-purpose Tray Unit as shown in the figure below. F-4-545 F-4-546 4-239...
  • Page 310 Disassembly/Assembly > Pickup Feeder System > Removing the Multi-purpose Tray Unit > Installation Method 4-240 2) Insert the shaft [2] at the upper side of the Multi-purpose Tray Unit [1] into the groove [A], 3) Fit the 2 grooves [2] of the Multi-purpose Tray Unit [1] to the 2 protrusions [3] of the links of and the shaft [3] at the lower side of the Multi-purpose Tray Unit into the groove [B].
  • Page 311 Disassembly/Assembly > Pickup Feeder System > Removing the Multi-purpose Tray Unit > Installation Method 4-241 4) Move the shaft [2] at the upper side of the Multi-purpose Tray Unit [1] to the groove [C], and the shaft [3] at the lower side of the Multi-purpose Tray Unit to the groove [D]. F-4-549 5) Perform the step 3 and earlier steps of the Removing Procedure in reverse order.
  • Page 312: Removing The Pickup Unit

    Disassembly/Assembly > Pickup Feeder System > Removing the Pickup Unit > Procedure 4-242 Removing the Pickup Unit ■ Procedure 1) Remove the Fax PCB Mounting Plate [1]. ■ Preparation • 4 Screws [2] 1) Remove the Toner Cartridges (Bk, C, M and Y). •...
  • Page 313 Disassembly/Assembly > Pickup Feeder System > Removing the Pickup Unit > Procedure 4-243 3) Free the harness [1] from the guide [E] by putting it through the hole [D] of the plate. 5) Remove the Sensor Cover Plate [1]. 4) Free the harness [2] from the guide [F]. •...
  • Page 314 Disassembly/Assembly > Pickup Feeder System > Removing the Pickup Unit > Procedure 4-244 7) Disconnect the connector [2] of the sensor [1]. 8) Install the Right Cover [1], and close the Front Cover [2]. • 4 Claws [3] • 9 Claws CAUTION: When installing the Right Cover [1], be careful not to trap the harness [2].
  • Page 315 Disassembly/Assembly > Pickup Feeder System > Removing the Pickup Unit > Procedure 4-245 9) Place the host machine with the Right Cover [1] down. 11) Remove the 2 springs [1] using a pair of needlenose pliers. • 4 Hooks [2] CAUTION: When laying down the main body, be sure to secure the ADF Unit with tape to prevent from opening.
  • Page 316 Disassembly/Assembly > Pickup Feeder System > Removing the Pickup Unit > Procedure 4-246 12) Remove the Pickup Unit [1]. 2) Push the lower side of the Pickup Unit [1], and fit the protrusion [2] of the host • 2 Screws [2] machine into the hole [A] of the plate.
  • Page 317: Adjustment

    Adjustment ■ Overview ■ Adjustment at Parts Replacement Adjustment...
  • Page 318 Adjustment > Overview Overview Category Parts replacement Reference Controller System Main Controller PCB Laser Exposure System Laser Scaner Unit Image Formation System Developing Assembly, Developing Sleeve Unit Drum Unit Patch Sensor T-5-1 Adjustment > Overview...
  • Page 319: Document Exposure / Feed System

    Adjustment > Adjustment at Parts Replacement > Document Exposure / Feed System > After replacing reader units Adjustment at Parts Replacement ■ After replacing reader units 1) Release 2 claws [1] and Remove the Scoopup sheet holder [2], Enter the setting value of Document Exposure / Feed System the Standard White Plate.
  • Page 320 Adjustment > Adjustment at Parts Replacement > Document Exposure / Feed System > After replacing reader units 4) Set a blank paper on the Copyboard Glass, and execute the white level adjustment with 6) Read the image and execute the adjustment with the following service mode. the following service mode 1.
  • Page 321 Adjustment > Adjustment at Parts Replacement > Document Exposure / Feed System > After replacing CIS units ■ After Replacing the Reader Upper Cover Unit 3) Set a blank paper on the Copyboard Glass, and execute the white level adjustment with the following service mode 1.
  • Page 322: Controller System

    Adjustment > Adjustment at Parts Replacement > Controller System > Main controller PCBs Controller System 3) Set a blank paper on the Copyboard Glass, and execute the white level adjustment with the following service mode 1. Then, check the auto setting value with the following service ■...
  • Page 323 Adjustment > Adjustment at Parts Replacement > Controller System > Main controller PCBs After Replacing the Main Controller PCB 4. Migrating the serial number 1. Setting of destination/paper size group 1) Enter the serial number (8-digit alphanumeric) in Settings/Registration > System Settings 1) COPIER >...
  • Page 324 Adjustment > Adjustment at Parts Replacement > Controller System > DC Controller PCB 7. Reinstall the drivers. ■ DC Controller PCB 1) Uninstalling Old Drivers. Before replacing the DC Controller PCB • Printer Driver 1) In service mode, perform the following procedure to store the DC Controller setting values. •...
  • Page 325: Laser Exposure System

    Adjustment > Adjustment at Parts Replacement > Laser Exposure System > After replacing Laser Scanner Unit Laser Exposure System 2) After values are registered, affix the label [1] packaged with the unit on the inside [2] of the right cover. ■...
  • Page 326: Trouble Shooting

    Trouble Shooting ■ Test Print ■ Trouble shooting items ■ Special Management Mode ■ Version Upgrade Trouble Shooting...
  • Page 327: Engine Test Print

    Trouble Shooting > Test Print > Engine test print Test Print 3) The engine test chart is printed in the horizontal line patterns on a sheet as shown below. Engine test print The engine test print is to check normal operation of the device. Print the engine test chart in the following steps.
  • Page 328: Controller Test Print

    Trouble Shooting > Test Print > Controller test print > Overview Controller test print • MF8200 series 1) Leave the front cover(1) and the rear cover(2) open to turn on the power. ■ Overview This product provides the following 6 test chart types to determine causes of faulty images. The data for test charts are created in the main controller.
  • Page 329 Trouble Shooting > Test Print > Controller test print > Selecting test chart ■ Selecting test chart 1) Select TESTMODE>PRINT>PG-TYPE in Service mode. 2) Enter TYPE NO from the numeric keypad and press [OK] key. 3) Go to the following Service mode to set up for test print. If no setting is made in Service mode, the test chart is output based on the default value of each Service mode item.
  • Page 330: Trouble Shooting Items

    Trouble Shooting > Trouble shooting items > Confirming nip width Trouble shooting items Confirming nip width This product does not provide the function to adjust nip width. Improper nip width, however, Recurring faulty image may cause faulty fixing. To avoid potential faults, confirm the nip width of the fixing assembly in the following steps. Foreign matters or lines on rollers along the paper feed path may cause faulty images in the 1) Output a A4 sheet printed in solid black using the cartridges for this product and bring it to vertical scanning direction.
  • Page 331: Special Management Mode

    Trouble Shooting > Special Management Mode > Operational Description Special Management Mode Operational Description Operational procedure of this mode is indicated below. Overview The Special Management Mode is the mode for taking a measure and solving the occurred problem by a user. However, information about this mode is not disclosed to users. User Screen Basically, if a problem is not solved when using the target item or when printing with a condition differs from the target item, be sure to return the setting to its original value.
  • Page 332: Menu List

    Trouble Shooting > Special Management Mode > Menu List Menu List Item Name Description M82 M85 26433 Execution of drum idle rotation mode Details To execute idle rotation of the drum. Use case When thin, sharp horizontal lines appear in halftone Item Name Description M82 M85...
  • Page 333 Trouble Shooting > Special Management Mode > Menu List Item Name Description M82 M85 Item Name Description M82 M85 41971 Execution of curl prevention mode 1 65677 Increase of paper leading edge margin Details To extend the initial rotation time and paper interval, and Details To increase the margin on the leading edge of paper.
  • Page 334 Trouble Shooting > Special Management Mode > Menu List Item Name Description M82 M85 Item Name Description M82 M85 25607 Decrease of paper right and left margins 15176 Extension of detection on absence of toner Details To decrease the margins on the right and left edges of Details Error occurs when the drum running distance reaches a paper.
  • Page 335 Trouble Shooting > Special Management Mode > Menu List 6-10 Item Name Description M82 M85 00171 Change of the maximum value of auto sleep shift time Details To change the maximum value of auto sleep shift time in Settings/Registration> Timer Settings> Auto Sleep Time. Use case When changing the setting time to shift to auto sleep mode...
  • Page 336: Version Upgrade

    Trouble Shooting > Version Upgrade > Preparation > Preparation 6-11 Version Upgrade Preparation ■ System Requirements Overview • OS (one of the following) This machine supports the following two methods for upgrading the firmware. • Microsoft Windows 2000 Server/Professional 1. User Support Tool (UST) •...
  • Page 337: Downloading System Software

    Trouble Shooting > Version Upgrade > Downloading System Software 6-12 Downloading System Software 4) Select [USB Device] and click [Next] button. 1) Open UST. USTUPD.exe F-6-8 2) Take a note of the firmware version to upgrade and click [Next] button. F-6-11 5) Click [Start] button.
  • Page 338: Upgrading Via Internet

    Trouble Shooting > Version Upgrade > Upgrading via Internet 6-13 Upgrading via Internet 6) Click [Yes] button for the warning message to start download. ■ Overview The firmware of the host machine can be upgraded via Internet without using PC by selecting “Via Internet”...
  • Page 339 Trouble Shooting > Version Upgrade > Upgrading via Internet > Messages 6-14 ■ Messages The message displayed on the device LUI is as follows. Error message The timing of Remedy occurrence Job in progress... If there is a job 1. Wait until the job is completed. Wait a moment, then try again.
  • Page 340: Error Codes Overview

    Error codes ■ Overview ■ Error Codes ■ Jam Code Error codes...
  • Page 341: Outline

    Error codes > Overview > Jam code > Position code Overview Jam code ■ Location code Outline Location information is displayed as 1-digit number as follows. ■ Outline Device Location code Host machine This section describes codes shown in case any problem is occurred. Since this product does not collect logs for jams and alarms, no alarm code is shown.
  • Page 342: Error Codes

    Error codes > Error Codes Error Codes Detail Item Description M82 M85 Code Code E003 0001 Title Abnormally low temperature detected in fixing assembly – ○ (sub thermistor triggered) Whenever an error occurs, firstly turn off and on the power to check if the error is persistent. Description Temperature drop detected by sub thermistor after (Controller-related errors tend to recover by power-OFF/ON.) attaining the target temperature (sub...
  • Page 343 Error codes > Error Codes Detail Item Description M82 M85 Detail Item Description M82 M85 Code Code Code Code E015 0001 Title Error in developing roller contact ○ ○ E024 0003 Title Error in toner level sensor – – Description Failed to detect changes in developing home position Description Abnormal output of toner level sensor (Black) sensor signals within the pre-defined time after actuating Remedy...
  • Page 344 Error codes > Error Codes Detail Item Description M82 M85 Detail Item Description M82 M85 Code Code Code Code E100 0003 Title Error in scanner motor/laser unit/BD ○ ○ E246 0000 Title System error – – Description Failure in Black optical unit Description System error Remedy 1.Check connectors of laser scanner unit and DC...
  • Page 345 Error codes > Error Codes Detail Item Description M82 M85 Detail Item Description M82 M85 Code Code Code Code E733 0000 Title Error in printer communication ○ ○ E744 7000 Title Main Controller PCB error ○ ○ Description Failure between DC controller PCB and controller PCB Description An error in the microcomputer which retains fax job information of the Main Controller PCB.
  • Page 346 Error codes > Error Codes Detail Item Description M82 M85 Code Code E806 0000 Title Error in fixing / fixing power supply cooling fan ○ ○ Description Fixing / fixing power supply cooling fan does not rotate in the specified rotation speed. Remedy 1.Check connectors of fixing/fixing power supply cooling fan and DC controller PCB...
  • Page 347: Jam Code

    Error codes > Jam Code > MF8500 Series Jam Code Type Sensor Name/Detection Contents Sensor ID Code 0001 Delay Document End Sensor Delay PS702 MF8500 Series 0002 Stationary Document End Sensor PS702 0004 Delay Document End Sensor Delay (2nd side) PS702 PS703 0005...
  • Page 348: Mf8200 Series

    Error codes > Jam Code > MF8200 Series MF8200 Series Type Sensor Name/Detection Contents Sensor ID Code PS703 0001 Delay Document End Sensor Delay PS702 0002 Stationary Document End Sensor PS702 0040 Size error Size error 0060 Size error Size error 0071 Sequence Sequence Error...
  • Page 349: Service Mode

    Service Mode ■ Overview ■ COPIER ■ FEEDER ■ FAX ■ TESTMODE Service Mode...
  • Page 350: Service Mode Menu

    Service Mode > Overview > Backing up Service Mode Backing up Service Mode Overview Each device is tuned at the time of shipment and the tuned values are written on the service Service Mode Menu label. However, when replacing the main controller PCBs / DC controller PCBs or clearing RAM, tuned ADJUST and OPTION values are reset to defaults.
  • Page 351: Screen Flow Of Service Mode

    Service Mode > Overview > Screen flow of Service Mode > Screen flow of Service mode Screen flow of Service Mode ■ Screen flow of Service mode • Initial / Category / Sub category screen ■ Service mode structure Select the item : Up-arrow SERVICE MODE / down-arrow key...
  • Page 352: Remote Ui Service Mode

    Service Mode > Overview > Supported models Remote UI service mode ● Authentication screen 1) PSWD-SW: 0 ■ Function Overview Remote UI can be used to display, set and implement various service mode in addition to rebooting the machine. In this case, machine's UI displays "Remote service mode". F-8-5 ■...
  • Page 353: Copier

    Service Mode > COPIER > DISPLAY > ERR COPIER COPIER > DISPLAY > VERSION M82 M85 PANEL PANEL version Details To display the version of PANEL. DISPLAY Use case When upgrading the firmware Adj/set/operate method N/A (Display only) ○ ○ ■...
  • Page 354 Service Mode > COPIER > DISPLAY > CCD ■ JAM ■ CCD COPIER > DISPLAY > CCD M82 M85 Jam code display screen TARGET-B Shading target value (B) Up to 10 Jam codes and detailed codes for system errors can be shown. Details To display the shading target value of Blue.
  • Page 355: I/o

    Service Mode > COPIER > ADJUST > ADJ-XY ADJUST ■ R-CON ■ ADJ-XY COPIER>IO>R-CON M82 M85 COPIER > ADJUST > ADJ-XY M82 M85 ADJ-X Adj of img pstn in book mode: vert scan Address Description Remarks Details To adjust the image reading start position (image leading P001 Display sensor status While the screen is open, the values...
  • Page 356 Service Mode > COPIER > ADJUST > ADJ-XY COPIER > ADJUST > ADJ-XY M82 M85 COPIER > ADJUST > ADJ-XY M82 M85 ADJ-Y-DF Adj img pstn in ADF mode:horz scan STRD-POS Adjustment of reading position at ADF stream reading Details To adjust the image reading start position in the horizontal Details To adjust the reading position at ADF stream reading.
  • Page 357 Service Mode > COPIER > ADJUST > CCD ■ CCD COPIER > ADJUST > CCD M82 M85 W-PLT-Z White level data(Z) entry of white plate COPIER > ADJUST > CCD M82 M85 Details To enter the white level data (Z) for the Standard White W-PLT-X White level data(X) entry of white plate Plate.
  • Page 358 Service Mode > COPIER > ADJUST > CCD 8-10 COPIER > ADJUST > CCD M82 M85 COPIER > ADJUST > CCD M82 M85 DFTAR-G Adjustment of shading target value (G) at ADF reading DFTAR-BW Adjustment of shading target value (B&W) at ADF reading Details To adjust the shading target value of Green at ADF Details...
  • Page 359 Service Mode > COPIER > ADJUST > CCD 8-11 COPIER > ADJUST > CCD M82 M85 COPIER > ADJUST > CCD M82 M85 100-RG Color displacement (R and G lines) correction value in the 50DF-RG Color displacement (R and G lines) correction value in the vertical scanning direction (100%) vertical scanning direction at ADF reading (50%) Details...
  • Page 360 Service Mode > COPIER > ADJUST > CCD 8-12 COPIER > ADJUST > CCD M82 M85 COPIER > ADJUST > CCD M82 M85 100DF-RG Color displacement (R and G lines) correction value in the OFST-BW1 Adjustment of CIS (Center) at B&W reading vertical scanning direction at ADF reading (100%) Details To adjust the offset of the CIS (Center) when reading...
  • Page 361 Service Mode > COPIER > ADJUST > CCD 8-13 COPIER > ADJUST > CCD M82 M85 COPIER > ADJUST > CCD M82 M85 GAIN-BW0 Adjustment of gain at B&W reading LED-CL-G Adjustment of LED light-up time (G) at color reading Details To adjust the gain when reading B&W original.
  • Page 362 Service Mode > COPIER > ADJUST > PASCAL 8-14 ■ PASCAL COPIER > ADJUST > PASCAL M82 M85 OFST-P-K Bk density adj at test print reading COPIER > ADJUST > PASCAL M82 M85 Details To adjust the offset of Bk color test print reading signal at OFST-P-Y Y density adj at test print reading Auto Adjust Gradation (Full Adjust).
  • Page 363 Service Mode > COPIER > ADJUST > VIFADJ 8-15 ■ VIFADJ COPIER > ADJUST > VIFADJ M82 M85 TR1-HV-Y Adjustment of primary transfer bias setting value (Y) COPIER > ADJUST > VIFADJ M82 M85 Details To adjust the setting value of Y-color primary transfer DEV-HV-Y Adjustment of developing bias setting value (Y) bias.
  • Page 364 Service Mode > COPIER > ADJUST > SCNR 8-16 ■ SCNR COPIER > ADJUST > VIFADJ M82 M85 TR2SF-HV Adjustment of secondary transfer bias setting value (front COPIER > ADJUST > SCNR M82 M85 side) SUB-S-Y0 Adjustment of emitting position 1 (Y) in the vertical Details To adjust the setting value of secondary transfer bias (front scanning direction...
  • Page 365 Service Mode > COPIER > ADJUST > SCNR 8-17 COPIER > ADJUST > SCNR M82 M85 COPIER > ADJUST > SCNR M82 M85 SUB-S-Y1 Adjustment of emitting position 2 (Y) in the vertical SUB-S-Y2 Adjustment of emitting position 3 (Y) in the vertical scanning direction scanning direction Details...
  • Page 366 Service Mode > COPIER > ADJUST > SCNR 8-18 COPIER > ADJUST > SCNR M82 M85 COPIER > ADJUST > SCNR M82 M85 MAI-S-Y0 Adjustment of scan time 1 (Y) in the horizontal scanning MAI-S-Y1 Adjustment of scan time 2 (Y) in the horizontal scanning direction direction Details...
  • Page 367: Function

    Service Mode > COPIER > FUNCTION > CCD 8-19 FUNCTION COPIER > ADJUST > SCNR M82 M85 MAI-S-Y2 Adjustment of scan time 3 (Y) in the horizontal scanning direction ■ CCD Details To adjust the Y-color scan time 3 in the horizontal COPIER >...
  • Page 368 Service Mode > COPIER > FUNCTION > CLEAR 8-20 ■ CLEAR COPIER > FUNCTION > CCD M82 M85 DF-WLVL4 White level adj in ADF mode (B&W) COPIER > FUNCTION > CLEAR M82 M85 Details To adjust the white level for ADF scanning automatically R-CON Initialization of Reader/ADF by setting the paper which is usually used by the user on...
  • Page 369 Service Mode > COPIER > FUNCTION > MISC-P 8-21 ■ MISC-R ■ MISC-P COPIER > FUNCTION > MISC-R M82 M85 COPIER > FUNCTION > MISC-P M82 M85 SCANLAMP Light-up check of CIS Unit LED SRVC-DAT Output of system data list/system dump list Details To light up CIS Unit LED for 3 seconds.
  • Page 370 Service Mode > COPIER > FUNCTION > VIFFNC 8-22 ■ SYSTEM ■ VIFFNC COPIER > FUNCTION > SYSTEM M82 M85 COPIER > FUNCTION > VIFFNC M82 M85 PANEL-UP Download from USB memory (PANEL) SMEAR-PV Execution of image smear prevention mode Details To perform downloading when PANEL exists in the root Details...
  • Page 371 Service Mode > COPIER > FUNCTION > SPLMAN 8-23 ■ SPLMAN COPIER > FUNCTION > VIFFNC M82 M85 ICL-IMP Execution of ITB cleaning failure prevention 1 COPIER > FUNCTION > SPLMAN M82 M85 Details MF8200 SPL14159 Fixing of USB device ID To alleviate cleaning failure by increasing the current Details To fix the USB device ID to “000000000000”.
  • Page 372 Service Mode > COPIER > FUNCTION > SPLMAN 8-24 COPIER > FUNCTION > SPLMAN M82 M85 COPIER > FUNCTION > SPLMAN M82 M85 SPL26433 Execution of drum idle rotation mode SPL41971 Execution of curl prevention mode 1 Details To execute idle rotation of the drum. Details To extend the initial rotation time and paper interval, and lower the control temperature.
  • Page 373 Service Mode > COPIER > FUNCTION > SPLMAN 8-25 COPIER > FUNCTION > SPLMAN M82 M85 COPIER > FUNCTION > SPLMAN M82 M85 SPL65677 Increase of paper leading edge margin SPL25607 Decrease of paper right and left margins Details To increase the margin on the leading edge of paper. Details To decrease the margins on the right and left edges of As the value is incremented by 1, the margin is increased...
  • Page 374 Service Mode > COPIER > FUNCTION > SPLMAN 8-26 COPIER > FUNCTION > SPLMAN M82 M85 COPIER > FUNCTION > SPLMAN M82 M85 SPL15176 Extension of detection on absence of toner SPL00171 Change of the maximum value of auto sleep shift time Details Error occurs when the drum running distance reaches a Details...
  • Page 375 Service Mode > COPIER > OPTION > BODY 8-27 OPTION ■ INSTALL COPIER > FUNCTION > INSTALL M82 M85 ■ BODY STRD-POS Scan position auto adj in ADF mode Details To adjust the ADF scanning position automatically. COPIER > OPTION > BODY M82 M85 Use case At ADF installation/uninstallation...
  • Page 376 Service Mode > COPIER > OPTION > BODY 8-28 COPIER > OPTION > BODY M82 M85 COPIER > OPTION > BODY M82 M85 LOCALE Setting of location NS-CMD5 Setting of CRAM-MD5 authentication method at SMTP authentication Details To set the location. At installation in areas other than Japan, perform the Details To restrict use of CRAM-MD5 authentication method at...
  • Page 377 Service Mode > COPIER > OPTION > ACC 8-29 COPIER > OPTION > BODY M82 M85 COPIER > OPTION > BODY M82 M85 NS-LGN Setting of LOGIN authentication at SMTP authentication PSWD-SW Setting of service mode password level Details To restrict use of LOGIN authentication at the time of Details To set the password level required to get into service SMTP authentication.
  • Page 378: Couter

    Service Mode > COPIER > COUTER > TOTAL 8-30 COUTER ■ SERIAL COPIER > OPTION > SERIAL M82 M85 ■ TOTAL SN-MAIN Entry of serial number Details To write the serial number of this machine in the Main COPIER > COUNTER > TOTAL M82 M85 Controller PCB.
  • Page 379 Service Mode > COPIER > COUTER > TOTAL 8-31 COPIER > COUNTER > TOTAL M82 M85 COPIER > COUNTER > TOTAL M82 M85 PDL-PRT PDL print counter 2-SIDE 2-sided copy/print counter Details To count up when the PDL print is delivered outside the Details To count up the number of 2-sided copies/prints when the machine/2-sided printout is stacked.
  • Page 380 Service Mode > COPIER > COUTER > JAM 8-32 ■ PICK-UP ■ FEEDER COPIER > COUNTER > PICK-UP M82 M85 COPIER > COUNTER > FEEDER M82 M85 Cassette 1 pickup total counter FEED ADF original pickup total counter Details To count up the number of sheets picked up from the Details To count up the number of originals picked up from the Cassette 1 (standard Pickup Cassette).
  • Page 381 Service Mode > COPIER > COUTER > DRBL-2 8-33 ■ DRBL-2 COPIER > COUNTER > JAM M82 M85 Cassette 1 pickup jam counter COPIER > COUNTER > DRBL-2 M82 M85 Details To count up the number of jam occurrences in the DF-SP-PD Separation Pad parts counter: ADF Cassette 1 (standard Pickup Cassette).
  • Page 382: Feeder

    Service Mode > FEEDER > ADJUST 8-34 FEEDER FEEDER > ADJUST DOCST2 Fine adjustment of VSYNC timing at ADF reading [back side] Details To make a fine adjustment of VSYNC timing when reading the back ADJUST side of original with ADF. Execute when the output image after ADF installation is displaced.
  • Page 383: Function

    Service Mode > FEEDER > FUNCTION 8-35 FUNCTION FEEDER > FUNCTION MTR-ON Operation check of ADF Motor Details To start operation check of ADF Motor (M702). Use case At operation check Adj/set/operate method 1) Select the item, and then press OK key. The unit operates for approximately 5 seconds and automatically stops.
  • Page 384: Fax

    Service Mode > FAX > List of SSSW 8-36 FAX > SSSW M82 M85 SSSW No. Bit No. Function SW 05 (Switch relating to standard functions and DIS signal settings) List of SSSW Bit 0 Bit 1 mm/inch conversion (text mode) Bit 2 mm/inch conversion (text/photo mode / photo mode) ○...
  • Page 385 Service Mode > FAX > List of SSSW 8-37 FAX > SSSW M82 M85 FAX > SSSW M82 M85 SSSW No. Bit No. Function SSSW No. Bit No. Function SW 14 SW 25 (Setting for report display function) Bit 0 Bit 0 Prioritize the received abbreviated name to the dialed ○...
  • Page 386: List Of Menu

    Service Mode > FAX > List of NUM 8-38 List of MENU List of NUM Menu switch registration mode M82 M85 Numeric parameter setting mode M82 M85 Parameter Selection Parameter Allowable setting range 01 - 04 Not in use Not in use RTN transmission criteria X 1 to 99 % ○...
  • Page 387: Setting Of Ncu Parameters

    Service Mode > FAX > Setting of NCU Parameters > TONE/PULSE 8-39 Setting of NCU Parameters Numeric parameter setting mode M82 M85 Parameter Allowable setting range ■ TONE/PULSE Set DTMF calling counts when receiving FAX 10 to 9999 (default 25) ○...
  • Page 388 Service Mode > FAX > Setting of NCU Parameters > BUSY TONE 0 8-40 ■ DIAL TONE ■ BUSY TONE 0 ● Bit Switch ● Bit Switch Bit No. Function M82 M85 Bit No. Function M82 M85 Bit 0 Frequency detection method Modem Tonal counter Bit 0 Bit 1...
  • Page 389 Service Mode > FAX > Setting of NCU Parameters > MULTI 8-41 ■ BUSY TONE 1 ■ REORDER TONE ● Bit Switch ● Bit Switch Bit No. Function M82 M85 Bit No. Function M82 M85 Bit 0 Bit 0 Bit 1 Bit 1 Signal detection method Bit 2...
  • Page 390 Service Mode > FAX > Setting of NCU Parameters > DAM 8-42 ■ AUTO RX ■ RKEY ● Numeric value parameter ● Numeric value parameter Parameter No. Function Setting range M82 M85 Parameter No. Function Setting range M82 M85 CI ON time 0 to 9999 (x 10 msec) ○...
  • Page 391: Testmode

    Service Mode > TESTMODE > PRINT 8-43 TESTMODE TESTMODE > PRINT M82 M85 THRU Setting of image correction table at test print Details It is possible to check the density characteristics due to PRINT the density correction process when normal gamma LUT is used, and the density characteristics of the engine when the linear gamma LUT is used.
  • Page 392: Fax

    Service Mode > TESTMODE > FAX > MODEM 8-44 TESTMODE > PRINT M82 M85 TESTMODE > FAX > MODEM M82 M85 START Output of test print FREQ Frequency test Details To output a test print with the PG pattern set in PG-TYPE, Details To test whether the specified frequency is oscillated.
  • Page 393 Service Mode > TESTMODE > FAX > FACULTY 8-45 TESTMODE > FAX > MODEM M82 M85 TESTMODE > PRINT M82 M85 V34G3TX V.34 G3 signal transmission test DETECT1 Ring detection Details To test whether the specified V.34 G3 signal is Details To check the ON/OFF state of CI, FC, and hook from the transmitted.
  • Page 394: Appendex

    Appendex ■ Special Tools ■ Solvents and Oils ■ General Circuit Diagram ■ Backup Data...
  • Page 395 Appendex > Service Tools > Solvents and Oils Service Tools Special Tools In addition to the standard tools set, the following special tools are required when servicing the machine: Name of Tool Parts.No Digital Multimeter FY9-2002 Used as a probe extension when making electrical checks. T-9-1 F-9-1 Solvents and Oils...
  • Page 396: General Circuit Diagram (mf8500)

    General Circuit Diagram General Circuit Diagram (MF8500) ■ MF8500 (1/3) Laser Scanner Unit VSS1 Laser Scanner Motor J3011 VSS2 REGS RDSDR J1002 SGND RDSSR High Voltage Power Supply PCB J501 VSS3 Registration Detection +3LED RDSGAIN0 Laser Driver PCB RDSGAIN1 PCB29 Sensor VSS4 RDSLED...
  • Page 397 ■ MF8500 (2/3) MF8580Cdw Model USB-Memory CIS Unit DC Controller PCB J9710 VBUS UN15 J130 J409 UN23 USB Host PCB Wireless LAN PCB J9710_BUS[0:4] J971_BUS[0:4] J972 J107_BUS[0:23] J1005 MF8580Cdw/8550Cdn J1005_BUS[0:17] Model Speaker J910_BUS[0:17] J6_BUS[0:23] J922 J910 J908 J912 J901 UN13...
  • Page 398 ■ MF8500 (3/3) +3.3V_A +3.3V_A +3.3V_D +3.3V_D UN14 SHUT Control Panel LCD PCB DCLK VSYNC HSYNC DISP_ENB J951 DATA7 DATA6 DATA5 DATA4 DATA3 DATA2 DATA1 DATA0 J961 SDOUT UN20 SCLK /SCS Control Panel Key PCB /RESET SDIN LED_ANODE LED_ANODE LED_CATH LCD Module LED_CATH MT42...
  • Page 399: General Circuit Diagram (mf8200)

    General Circuit Diagram (MF8200) ■ MF8200 (1/2) SR606 Laser Scanner Unit ITB Unit SR602 M704 SR601 Developing SR603 Registration Laser Scanner Motor Homeposition Cassette Paper Front Cover Sensor Fixing Loop Detection UN11 Sensor Detection Sensor Sensor Sensor Patch Registration Patch Sensor Laser Driver PCB Sensor J501...
  • Page 400 ■ MF8200 (2/2) USB-Memory J9710 VBUS UN24 UN21 +3.3V_A +3.3V_A USB Host Control Panel LCD PCB J9710_BUS[0:4] J971_BUS[0:4] +3.3V_D CIS Unit +3.3V_D J972 SHUT DCLK J951 J409 VSYNC HSYNC MF8280Cw/8240Cw Model DISP_ENB DATA7 DATA6 DATA5 DATA4 UN16 DATA3 J961 MF8280Cw/8250Cn Wireless LAN PCB DATA2 UN22...
  • Page 401: Backup Data

    VIII Backup Data Data Location Replace Delete Backup by User Backup by Service User function > Initialize Menu Service function Initialize Menu Other DC Controller Main Preferences Timer Common Copy Scan Printer Initialize Initializing the Initializing Initializing R-CON SRVC- HIST Yes/No Method Location...

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