Canon MF8300 Series Service Manual
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Canon MF8300 Series Service Manual

Canon MF8300 Series Service Manual

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MF8300Series/MF8000Series
Service Manual
Product Overview
Technical Overview
Periodical Services
Disassembly/Assembly
Adjustment
Trouble Shooting
Error codes
Service Mode
Appendex
1
2
3
4
5
6
7
8

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Summary of Contents for Canon MF8300 Series

  • Page 1 MF8300Series/MF8000Series Service Manual Product Overview Technical Overview Periodical Services Disassembly/Assembly Adjustment Trouble Shooting Error codes Service Mode Appendex...
  • Page 2 Canon will release technical information as the need arises. In the event of major (C) CANON INC. 2011 changes in the contents of this manual over a long or short period, Canon will issue a new edition of this manual.

  • Page 3: Explanation Of Symbols

    Explanation of Symbols The following rules apply throughout this Service Manual: The following symbols are used throughout this Service Manual. Symbols Explanation Symbols Explanation Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with reference to the timing of Check.

  • Page 4: Table Of Contents

    Basic Sequence -------------------------------------------------------------------- 2-2 Main Unit ----------------------------------------------------------------------------- 1-2 Basic Operational Sequence ------------------------------------------------------------ 2-2 Options ------------------------------------------------------------------------------- 1-3 Print Sequence ------------------------------------------------------------------------------ 2-3 MF8300 Series ------------------------------------------------------------------------------ 1-3 Print Mode --------------------------------------------------------------------------- 2-5 MF8000 Series ------------------------------------------------------------------------------ 1-3 MF8300 Series ------------------------------------------------------------------------------ 2-5 Product Features --------------------------------------------------------------1-4 MF8000 Series ------------------------------------------------------------------------------ 2-5...
  • Page 5 Notes on service works ------------------------------------------------------------------2-30 Pickup / Feed System ------------------------------------------------------ 2-31 Failure detection ---------------------------------------------------------------------------2-14 Service Tasks ----------------------------------------------------------------------2-15 Overview ----------------------------------------------------------------------------2-31 Action for Parts Replacement ----------------------------------------------------------2-15 MF8300 Series -----------------------------------------------------------------------------2-31 Maintenance --------------------------------------------------------------------------------2-15 MF8000 Series -----------------------------------------------------------------------------2-31 Parts Configuration ---------------------------------------------------------------2-32 Service Notes -------------------------------------------------------------------------------2-15 Image Formation System ------------------------------------------------- 2-16...
  • Page 6 Disassembly/Assembly Location --------------------------------------------------------------------------------------4-58 Removing the Controller Cover --------------------------------------------------------4-60 MF8300 series -----------------------------------------------------------------4-2 Removing the Wireless LAN PCB (MF8380) ---------------------------------------4-60 List of Parts -------------------------------------------------------------------------- 4-2 Removing the Main Controller PCB ---------------------------------------------------4-61 List of Main Unit ----------------------------------------------------------------------------- 4-3 Removing the Main Controller Support Plate ---------------------------------------4-63...
  • Page 7 Removing the Fixing Motor Unit ----------------------------------------------------- 4-109 Removing the ADF Roller Unit (MF8050/8030/8080/8040) ------------------- 4-164 Pickup Feeder System ---------------------------------------------------------4-111 Removing the ADF Pickup Roller (MF8050/8030/8080/8040) --------------- 4-166 Removing the ADF separation roller (MF8050/8030/8080/8040) ----------- 4-166 Location ------------------------------------------------------------------------------------ 4-111 Removing the ADF Separation Pad (MF8050/8030/8080/8040) ----------- 4-167 Removing the Cassette Pickup Roller ---------------------------------------------- 4-112 Removing the ADF Pickup Feed Unit (MF8050/8030/8080/8040) ---------- 4-169 Removing the Cassette Separation Roller ---------------------------------------- 4-113...
  • Page 8 Replacing the Fixing Film Unit-------------------------------------------------------- 4-212 Preparation -------------------------------------------------------------------------- 6-9 Removing the Fixing Pressure Roller----------------------------------------------- 4-214 System Requirements --------------------------------------------------------------------- 6-9 Removing the Fixing Motor------------------------------------------------------------ 4-215 Preparation ----------------------------------------------------------------------------------- 6-9 Pickup Feeder System -------------------------------------------------------- 4-216 Downloading System Software ------------------------------------------------6-10 Location ------------------------------------------------------------------------------------ 4-216 Error codes Removing the Cassette Pickup Roller ---------------------------------------------- 4-216 Removing the Cassette Separation Roller ---------------------------------------- 4-217 Overview ------------------------------------------------------------------------7-2...
  • Page 9 TESTMODE ------------------------------------------------------------------ 8-37 FUNCTION -------------------------------------------------------------------------8-16 CCD -------------------------------------------------------------------------------------------8-16 PRINT --------------------------------------------------------------------------------8-37 CLEAR ---------------------------------------------------------------------------------------8-17 FAX -----------------------------------------------------------------------------------8-38 MISC-R ---------------------------------------------------------------------------------------8-17 MODEM --------------------------------------------------------------------------------------8-38 MISC-R ---------------------------------------------------------------------------------------8-17 FACULTY ------------------------------------------------------------------------------------8-39 SYSTEM -------------------------------------------------------------------------------------8-18 Appendex VIFFNC ---------------------------------------------------------------------------------------8-19 SPLMAN -------------------------------------------------------------------------------------8-20 Service Tools --------------------------------------------------------------------- II INSTALL --------------------------------------------------------------------------------------8-22 Special Tools --------------------------------------------------------------------------- II OPTION -----------------------------------------------------------------------------8-23 Solvents and Oils --------------------------------------------------------------------- II BODY -----------------------------------------------------------------------------------------8-23 General Circuit Diagram -------------------------------------------------------III...

  • Page 10: Safety Precautions

    Safety Precautions ■ CDRH Provisions ■ Laser Safety ■ Toner Safety ■ Notes on Handling Lithium Battery ■ Notes on Assembly/Disassembly F-0-1...

  • Page 11: Cdrh Provisions

    Safety Precautions > Laser Safety > Handling Laser Scanner Unit 0-11 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.

  • Page 12: Toner Safety

    Safety Precautions > Notes on Assembly/Disassembly 0-12 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 13: Product Overview

    Product Overview ■ Product Lineups ■ Product Features ■ Specifications ■ Name of Parts Product Overview...

  • Page 14: Main Unit

    Product Overview > Product Lineups > Main Unit Product Lineups Function MF8000 Series MF8080 MF8050 MF8040 MF8030 MF8010 Appearance Main Unit Function MF8300 Series MF8380 MF8360 MF8350 MF8340 MF8330 Appearance F-1-3 Copy F-1-2 Print USB Scan Network Scan Wireless LAN...

  • Page 15: Options

    Product Overview > Product Lineups > Options > MF8000 Series Options ■ MF8000 Series ■ MF8300 Series F-1-5 Name Description Remarks TELEPHONE 6 KIT Long cord Cool Telephone call is enabled by using the AUS, EUR F-1-4 White *1 handset.

  • Page 16: Product Features

    < MF8300 Series > F-1-6 ■ High-speed & High-quality MFP The compact A4 color MFP (MF8300 Series) achieved the print speed of 20 pages per minutes (A4). The full-automatic image exposure control function is introduced firstly in this class, enhancing print quality.

  • Page 17: Specifications

    Product Overview > Specifications > Main Unit Specifications Specifications Item Specification / function MF8300 Series MF8000 Series Reading Speed Fixed (A4/LTR): Fixed (A4/LTR): Main Unit Specifications Continuous reading (A4/LTR): Continuous reading (A4/LTR): Color: 10 images / minute Color: 8 images / minute...

  • Page 18: Adf Specifications

    Product Overview > Specifications > Wireless LAN Specifications ADF Specifications Item Specification / function MF8300 Series MF8000 Series Allowable 10 - 30 deg C Item Specification / Function environmental Document setting direction Set the document face up (face-up method) temperature...

  • Page 19: Send Specifications

    Product Overview > Specifications > FAX Specifications SEND Specifications FAX Specifications Item Specification / Function Item Specification/function Suitable line Public Switched Telephone Network (PSTN) Communication Protocol • File Server Transmission (SMB (TCP/IP)) Up to 28.8Kbps in modem speed is currently available in PSTN. Note •...

  • Page 20: Print Speed

    Product Overview > Specifications > Print Speed > MF8000 Series Print Speed ■ MF8000 Series Unit: page/minute ■ MF8300 Series Paper type Color Mode B&W Mode Unit: page/minute. Plain 1 (60 to 74g/m 12.0 Plain 2 (75 to 90g/m 12.0...

  • Page 21: Paper Types

    *1: Auto 2-sided print is available only in MF8300 series. *2: Auto 2-sided print is available only in MF8300 series. *2: Auto 2-sided print provided in MF8300 series meet A4 or letter size only. *3: Received documents, report and lists can be printed.

  • Page 22: Name Of Parts

    Product Overview > Name of Parts > External View > MF8300 Series 1-10 Name of Parts ● Rear Side External View ■ MF8300 Series ● Front Side (3) (4)(5) (10) F-1-9 (11) USB port 6 Rear cover LAN port 7 Rating plate...

  • Page 23: Mf8000 Series

    Product Overview > Name of Parts > External View > MF8000 Series 1-11 ■ MF8000 Series ● Rear Side ● Front Side (13) (11) (12) (10) F-1-12 (16) 1 USB port 6 Power socket (17) 2 LAN port 7 Rear cover (14) 3 Handset terminal (only for MF8050 / MF8080) 8 Vent-hole...

  • Page 24: Cross Section View

    Product Overview > Name of Parts > Cross Section View > MF8300 Series 1-12 Cross Section View ● Reader/ADF Unit ■ MF8300 Series ● Printer [2] [3] F-1-15 ADF registration roller ADF separation roller ADF pickup roller ADF unit Reader unit...

  • Page 25: Mf8000 Series

    Product Overview > Name of Parts > Cross Section View > MF8000 Series 1-13 ■ MF8000 Series ● Reader/ADF Unit ● Printer [3] [4] [5] F-1-17 ADF registration roller ADF separation roller ADF pickup roller ADF unit Reader unit ADF delivery roller ADF separation pad CIS unit [14]...

  • Page 26: Control Panel

    Product Overview > Name of Parts > Control Panel > MF8350 / MF8330 Series 1-14 Control Panel ● FAX Control Panel (only for MF8350) (1) (2) (3) ■ MF8350 / MF8330 Series ● Main Control Panel (10) (11) (12) (13) (14) (15) (16)

  • Page 27: Mf8050 / Mf8030 Series

    Product Overview > Name of Parts > Control Panel > MF8050 / MF8030 Series 1-15 ■ MF8050 / MF8030 Series ● FAX Control Panel (only for MF8050) ● Main Control Panel (1) (2) (3) (10) (11) (12) (13) (14) (15) (16) (17) (18)

  • Page 28: Mf8380/Mf8340/Mf8080/Mf8040

    Product Overview > Name of Parts > Control Panel > MF8380/MF8340/MF8080/MF8040 1-16 ■ MF8380/MF8340/MF8080/MF8040 Name Description (3) [Menu]key Press to specify or register various settings. ● Main Control Panel (MF8380/MF8340/MF8080/MF8040) ［*］ key Press to switch the character entry mode. Press to switch between pulse and tone dialing to send a fax.

  • Page 29: 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 30: 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 31: Print Sequence

    Technical Overview > Basic Configuration > Basic Sequence > Basic Operational Sequence ■ Print Sequence ● MF8300 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 32 Technical Overview > Basic Configuration > Basic Sequence > Print Sequence ● MF8000 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 33: Print Mode

    ■ MF8000 Series The models of this series switch among 3 print modes to optimize the normal print speed ■ MF8300 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...

  • Page 34: 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 35: 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 36: Jam Detection

    Technical Overview > Document Exposure/Feeder System > Service Tasks > Action for Parts Replacement 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 37: Maintenance

    Technical Overview > Document Exposure/Feeder System > Service Tasks > Service Notes ■ Maintenance No periodically replaced parts, durable parts or periodical service is set for this product. ■ Service Notes None Technical Overview > Document Exposure/Feeder System > Service Tasks > Service Notes...

  • Page 38: Controller System

    Technical Overview > Controller System > Controls > Open door detection 2-10 Controller System Controls ■ Motor Controls Overview This product uses 3 motors for paper feed and image formation. ■ Overview The tables below show motor specifications used in this product. This product is mainly controlled by the main and DC controllers.

  • Page 39: Low-Voltage Power Supply Control

    Technical Overview > Controller System > Controls > Low-Voltage Power Supply Control 2-11 ■ Low-Voltage Power Supply Control • MF8050Cn/8030Cn This circuit converts AC voltage input from the power supply receptacle through the fixing AC input 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 40: Protective Control

    Technical Overview > Controller System > Controls > Protective control 2-12 ■ 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 41: Service Tasks

    Technical Overview > Controller System > Service Tasks > Service Notes 2-13 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 Main Controller PCB •...

  • Page 42: Laser Control System

    Technical Overview > Laser Control System > Controls > Failure detection 2-14 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 43: Service Tasks

    Technical Overview > Laser Control System > Service Tasks > Service Notes 2-15 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 44: Image Formation System

    Technical Overview > Image Formation System > Parts > MF8050Cn/8030Cn 2-16 Image Formation System Parts ■ MF8350Cdn/8330Cdn 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 45: Image Forming Process

    Technical Overview > Image Formation System > Image Forming Process > Static latent image forming block 2-17 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 46: Development Block

    Technical Overview > Image Formation System > Image Forming Process > Transfer block 2-18 ■ Development block ■ Transfer block The static latent image formed on the photosensitive drum is visualized by toner deposited in The toner image on the photosensitive drum is transferred to paper through 3 steps in this this block.

  • Page 47: Fixing Block

    Technical Overview > Image Formation System > Image Forming Process > Fixing block 2-19 ● Step 6: Separation ■ Fixing block Separate the paper from the ITB using paper elasticity and curvature of the ITB drive motor. The toner image is fixed on the paper in this block. To stabilize the paper delivery and image quality, use the static eliminator to decay the potential on the back of the paper after image transfer.

  • Page 48: Cleaning Block

    Technical Overview > Image Formation System > Image Forming Process > Cleaning block 2-20 ■ Cleaning block ■ Cleaning block The residual toner on the ITB surface is cleaned in this step. The residual toner on the photosensitive drum is cleaned in this block. ●...

  • Page 49: Controls

    Technical Overview > Image Formation System > Controls > High-voltage power supply control 2-21 Controls Primary charging Developing bias ■ High-voltage power supply control 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 50: Image Stabilization Control

    Technical Overview > Image Formation System > Controls > Image stabilization control 2-22 ■ Image stabilization control ● Execution timing The table below lists the execution timing and duration of each control. ● Overview Execution Duration D-max D-half Color Remarks This product controls image stabilization to avoid faulty images due to environmental timing displacement...

  • Page 51: Image Density Correction Control (D-Max Control)

    • MF8000 Series: only twice (100 min, and 300 min) 5) After printing or after 300 min. since the execution of the image density correction • MF8300 Series: 60 min, after that every 240 min 6) At recovery from the sleep state (When the environmental change is great compared...
  • Page 52 Technical Overview > Image Formation System > Controls > Image stabilization control 2-24 ● Auto-gradation correction control Scanning magnification This control is to stabilize the image gradation density characteristic. This refers to the size of the image in the horizontal scanning direction. To execute this control, go to “Adjustment / Cleaning >...

  • Page 53: Toner Cartridges

    Technical Overview > Image Formation System > Controls > Transfer unit 2-25 ■ 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 54: Service Tasks

    Technical Overview > Image Formation System > Service Tasks > Notes on Field Service 2-26 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 55: Fixing System

    Technical Overview > Fixing System > Controls > Fixing Speed Control 2-27 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 56: Fixing Temperature Control

    When a sensor detects that the paper size is small, paper interval is increased from 3rd or 4th sheet of the job. Fixing assembly MF8300 Series Fixing film unit Fuse Based on the combination of detection result of the Pre-registration Detection Sensor and...

  • Page 57: Protective Control

    When the temperature of the fixing heater abnormally rises, the temperature fuse is open E001-0000 main thermistor to shut off power supply to the heater. E001-0001 sub thermistor (MF8300 Series only) • 226 deg C or higher detected at the temperature fuse. 3) Abnormally low temperature failure •...

  • Page 58: Service Works

    Technical Overview > Fixing System > Service Works > Notes on service works 2-30 Service Works ■ At parts replacement No work is required for this product at parts replacement. ■ Maintenance No periodically replaced parts, durable parts or periodical service is set for this product. ■...

  • Page 59: Pickup / Feed System

    Overview The Pickup / Feed System is responsible for paper pickup and delivery, made up with multiple rollers. Face-down Delivery The figure below shows the structure of the Pickup/Feed System schematically. ■ MF8300 Series Manual Feed Face-down Delivery Pickup Cassette...

  • Page 60: Parts Configuration

    Technical Overview > Pickup / Feed System > Parts Configuration > MF8000 Series 2-32 Parts Configuration ■ MF8000 Series ■ MF8300 Series Delivery Roller Delivery Roller Duplexing Flapper Pressure Roller Pressure Roller Duplex Feed MP Tray Roller Pickup Secondary Transfer...

  • Page 61: Drive Configuration

    Technical Overview > Pickup / Feed System > Drive Configuration > MF8000 Series 2-33 Drive Configuration ■ MF8000 Series ■ MF8300 Series SR609 M703 M701 SR15 SR603 SR10 SR604 SR602 SR605 SR14 M702 SR601 SL705 F-2-34 Symbol Name Symbol Name...

  • Page 62: Controls

    • Registration sensor This method prevents multiple sheets from being fed by the driven separation roller. The • MP tray pre-registration sensor (MF8300 Series only) separation roller is driven by the pickup roller. • Manual feed pre-registration sensor (MF8000 Series only) •...

  • Page 63: Delay Jams

    / delivery stationary detection. : MF8300: SR4, MF8000: SR602 : MF8300: SR8, MF8000: SR609 Pickup delay jam 2 (MF8300 Series only) Internal paper remaining jam This occurs when the leading edge of the paper is not detected by the MP tray pre- When the sensor below detects “Paper Sensor”...

  • Page 64: Service Works

    Technical Overview > Pickup / Feed System > Service Works > Notes on service works 2-36 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 65: Periodical Services

    Periodical Services ■ Periodically Replaced Parts ■ Durable Parts ■ Periodical Services ■ Cleaning Periodical Services...

  • Page 66: Periodically Replaced Parts

    Periodical Services > Cleaning Periodically Replaced Parts Cleaning No periodically replaced parts is set for this product. • MF8350/8330 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 67 Periodical Services > Cleaning 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 68: Disassembly/Assembly

    Disassembly/ Assembly ■ MF8000 Series ■ List of Parts ■ MF8300 Series ■ External Cover, Internal ■ List of Parts Cover ■ External Cover, Internal ■ Document exposure/ Cover feeder system ■ Document Exposure, ■ Controller System Feed System ■ Laser Exposure System ■...
  • Page 69 Disassembly/Assembly > MF8300 series > List of Parts MF8300 series ADF Rear Cover Handset terminal List of Parts External Device Jack Rear Upper Side Guide (R) Cover USB Port Side Guide (F) Document Tray ADF Upper Cover ADF Front Extension Tray...

  • Page 70: List Of Main Unit

    Disassembly/Assembly > MF8300 series > List of Parts > List of Main Unit ■ List of Main Unit Duplexing Reverse Drive Unit ADF Unit Main Drive Unit Control Panel Unit Paper Pickup Unit Reader Unit MP Paper Pickup Unit F-4-4...
  • Page 71 Disassembly/Assembly > MF8300 series > List of Parts > List of Main Unit Fixing Unit Delivery Unit Laser Scanner Unit ITB Unit Duplex Feed Unit F-4-5 Name Refarence Adjastment during parts replacement Fixing Unit Refer to page 4-103 Laser Scanner Unit...

  • Page 72: List Of Motor/Fan

    Disassembly/Assembly > MF8300 series > List of Parts > List of Clutch / Solenoid/Heater/Thermistor/Switch/speaker ■ List of Motor/Fan ■ List of Clutch / Solenoid/Heater/Thermistor/Switch/speaker TH803 M721 H100 /H120 /H220 TH801 M720 TH802 F-4-8 Name Main Unit Refarence Adjastment during F-4-7...

  • Page 73: List Of Sensor

    Disassembly/Assembly > MF8300 series > List of Parts > PCB ■ List of Sensor ■ PCB PS702 SR15 UN13 PS703 PS701 SR13 UN17 UN15 SR10 PCB30 SR14 SR12 PCB29 SR16 PCB28 Name Main Unit F-4-9 F-4-10 PCB28 Environment Sensor Product configuration...
  • Page 74 Disassembly/Assembly > MF8300 series > List of Parts > PCB UN16 UN14 UN10 F-4-11 Name Main Unit Refarence Adjastment during parts replacement Driver PCB Product configuration Fixing Relay PCB Product configuration Fixing Sub PCB Product configuration Refer to page 4-68 -...

  • Page 75: Llist Of Connector (Mf8350 / Mf8330)

    Disassembly/Assembly > MF8300 series > List of Parts > Llist of Connector (MF8350 / MF8330) ■ Llist of Connector (MF8350 / MF8330) F-4-12 KeyNo. J No. Electric Electric parts name Relay connector KeyNo. J No. Electric Electric parts name REMARKS...
  • Page 76 Disassembly/Assembly > MF8300 series > List of Parts > Llist of Connector (MF8350 / MF8330) KeyNo. J No. Electric Electric parts name Relay connector KeyNo. J No. Electric Electric parts name REMARKS symbol symbol J913 UN13 Main Controller PCB J952...
  • Page 77 Disassembly/Assembly > MF8300 series > List of Parts > Llist of Connector (MF8350 / MF8330) 4-10 KeyNo. J No. Electric Electric parts name Relay connector KeyNo. J No. Electric Electric parts name REMARKS F-4-13 symbol symbol J110 DC Controller PCB...
  • Page 78 Disassembly/Assembly > MF8300 series > List of Parts > Llist of Connector (MF8350 / MF8330) 4-11 KeyNo. J No. Electric Electric parts name Relay connector KeyNo. J No. Electric Electric parts name REMARKS symbol symbol J166 Relay PCB J3005 Front Cover Sensor...
  • Page 79 Disassembly/Assembly > MF8300 series > List of Parts > Llist of Connector (MF8350 / MF8330) 4-12 F-4-14 KeyNo. J No. Electric Electric parts name Relay connector KeyNo. J No. Electric Electric parts name REMARKS symbol symbol J131 DC Controller PCB...
  • Page 80 Disassembly/Assembly > MF8300 series > List of Parts > Llist of Connector (MF8350 / MF8330) 4-13 KeyNo. J No. Electric Electric parts name Relay connector KeyNo. J No. Electric Electric parts name F-4-15 REMARKS symbol symbol J140 DC Controller PCB...

  • Page 81: Llist Of Connector (Mf8380 / Mf8340)

    Disassembly/Assembly > MF8300 series > List of Parts > Llist of Connector (MF8380 / MF8340) 4-14 ■ Llist of Connector (MF8380 / MF8340) J945 J918 J946 J906 J944 J913 J942 J907 J943 J941 J910 J952 J915 J703 J651 J914 J2001...
  • Page 82 Disassembly/Assembly > MF8300 series > List of Parts > Llist of Connector (MF8380 / MF8340) 4-15 J No. Electric Electric parts name Relay connector J No. Electric Electric parts name REMARKS symbol symbol J705 UN10 Duplex Driver PCB J705 Duplex Cooling Fan...
  • Page 83 Disassembly/Assembly > MF8300 series > List of Parts > Llist of Connector (MF8380 / MF8340) 4-16 J150 J901 J4001L J130 J409 J157 J707 J151 J706 J4018 J912 J152 J708 J111 J710 J110 J709 J164 J163 J3014 J165 J3005 J166 J3012...
  • Page 84 Disassembly/Assembly > MF8300 series > List of Parts > Llist of Connector (MF8380 / MF8340) 4-17 J No. Electric Electric parts name Relay connector J No. Electric Electric parts name REMARKS symbol symbol J166 Relay PCB J3001 Developing Homeposition Sensor...
  • Page 85 Disassembly/Assembly > MF8300 series > List of Parts > Llist of Connector (MF8380 / MF8340) 4-18 J904 J154 J654 J903 J1003L J131 J902 J154 J908 J156 J1305 J133 J501 J132 J922 J1302 J141 J922 J160 J1404 J162 J1312 J167 J1002...
  • Page 86 Disassembly/Assembly > MF8300 series > List of Parts > Llist of Connector (MF8380 / MF8340) 4-19 J203 J909 J202 J911 J201 J204 J2001 J910 J653 J211 J920 J213 J140 J208 J2004 J2002 J209 J2003 J210 J206 J2005 J205 J209 J210...

  • Page 87: External Cover, Internal Cover

    Disassembly/Assembly > MF8300 series > External Cover, Internal Cover > Location 4-20 External Cover, Internal Cover ADF Rear Cover ■ Location Handset terminal External Device Jack Side Guide (R) Rear Upper Side Guide (F) Document Tray Cover USB Port ADF Upper Cover...

  • Page 88: Removing The Left Cover

    Disassembly/Assembly > MF8300 series > External Cover, Internal Cover > Removing the Left Cover 4-21 ■ Removing the Left Cover Caution: 1) To remove the lower claw of the Left Cover, shift the host machine by 5cm from the base.
  • Page 89 Disassembly/Assembly > MF8300 series > External Cover, Internal Cover > Removing the Left Cover 4-22 7) Release the hook [2] and remove the Left Cover [1] while opening the rear of the Left Cover 2) Fit the protrusion [1] of Left Cover to the groove [2] of the frame.

  • Page 90: Removing The Right Cover

    Disassembly/Assembly > MF8300 series > External Cover, Internal Cover > Removing the Right Cover 4-23 4) Install the Left Cover [1]. ■ Removing the Right Cover • 1 Claw [2] 1) Open the ADF Unit + Reader Unit [1], and remove the Right Cover [2].

  • Page 91: Installing The Right Cover

    Disassembly/Assembly > MF8300 series > External Cover, Internal Cover > Removing the Right Cover 4-24 Installing the Right Cover 3) Install the 3 hooks [1] at the left side of the Right Cover and the 3 hooks [2] of the Right Front Cover.

  • Page 92: Removing The Right

    Disassembly/Assembly > MF8300 series > External Cover, Internal Cover > Removing the Front Cover 4-25 ■ Removing the Right Front Cover ■ Removing the Front Cover Pre-procedure Pre-procedure 1) Remove the Right Cover. Refer to page 4-23. 1) Remove the Cartridge Tray. Refer to page 4-31.

  • Page 93: Removing The Rear Upper Cover

    Disassembly/Assembly > MF8300 series > External Cover, Internal Cover > Removing the Rear Upper Cover 4-26 3) Remove the 2 links [1] and the Front Cover [2]. ■ Removing the Rear Upper Cover • 2 Shafts [3] Pre-procedure • 2 Protrusions [4] 1) Remove the Right Cover.Refer to page 4-23...

  • Page 94: Removing The Rear Cover

    Disassembly/Assembly > MF8300 series > External Cover, Internal Cover > Removing the Rear Lower Cover 4-27 ■ Removing the Rear Cover ■ Removing the Rear Lower Cover 1) Open the Rear Cover [1]. Pre-procedure 2) Close the Duplex Feed Unit [2].
  • Page 95 Disassembly/Assembly > MF8300 series > External Cover, Internal Cover > Removing the Rear Lower Cover 4-28 2) Open the Duplex Feed Unit [1] and remove the 2 claws [2] and 2 bosses [3]. 4) Move the Rear Lower Cover [1] aside from the [A] part of the Duplex Reverse Drive Unit [2].

  • Page 96: Removing The Rear Cover Rib Unit

    Disassembly/Assembly > MF8300 series > External Cover, Internal Cover > Removing the Rear Cover Rib Unit 4-29 ■ Removing the Rear Cover Rib Unit Caution: Pre-procedure At installation, make sure that the spring [1] is installed on [A] part before installing the 1) Remove the Right Cover.

  • Page 97: Removing The Upper Cover

    Disassembly/Assembly > MF8300 series > External Cover, Internal Cover > Removing the Upper Cover 4-30 ■ Removing the Upper Cover 2) Remove 6 screws [1]. Pre-procedure 1) Remove the Right Cover. Refer to page 4-23. 2) Remove the Left Cover. Refer to page 4-21.

  • Page 98: Removing The Cartridge Tray

    Disassembly/Assembly > MF8300 series > External Cover, Internal Cover > Removing the Cartridge Tray 4-31 4) Push down the flag [1] and remove the rear side of the Upper Cover [2]. ■ Removing the Cartridge Tray Caution: When removing the Toner Cartridge, be careful not to damage the Photosensitive Drum.

  • Page 99: Document Exposure, Feed System

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Location 4-32 Document Exposure, Feed System Electric Name Remarks Refarence Adjastment during symbol parts replacement ■ Location ADF Unit Refer to page 4-33 Refer to page 5-3 Refer to page 4-34...

  • Page 100: Removing The Adf Unit + Reader Unit

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Unit + Reader Unit 4-33 ■ Removing the ADF Unit + Reader Unit 5) Remove the Controller Cover [1] at the right side of the host machine.

  • Page 101: Separating The Adf Unit + Reader Unit

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Separating the ADF Unit + Reader Unit 4-34 7) Put the 2 Grounding Wires [1] through the hole [A] and open and remove the ADF Unit + ■ Separating the ADF Unit + Reader Unit Reader Unit [2].
  • Page 102 Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Separating the ADF Unit + Reader Unit 4-35 2) Remove the Reader Unit Lower Cover [1]. 4) Raise the ADF Unit [1] to separate from the Reader Unit [2] in the direction of the arrow.
  • Page 103 Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Separating the ADF Unit + Reader Unit 4-36 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 104: Removing The Adf Roller Unit

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Roller Unit 4-37 scanning]) ■ Removing the ADF Roller Unit Then, set a blank paper on the DF, and execute the following service mode. • COPIER > FUNCTION > CCD > DF-WLVL2 (White level adjustment [DF scanning]) Caution: •...
  • Page 105 Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Roller Unit 4-38 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.

  • Page 106: Removing The Adf Pickup Roller

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Pickup Roller 4-39 ■ Removing the ADF Pickup Roller Caution: • When installing, match the spring [1] of the ADF Roller Unit to the boss [2]. Pre-procedure 1) Remove the ADF Roller Unit.

  • Page 107: Removing The Adf Separation Roller

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Separation Roller 4-40 3) Turn the Roller Shaft [1] in the direction of the arrow and fit the projection [2] to the hole of ■ Removing the ADF Separation Roller the Roller Holder to remove.

  • Page 108: Removing The Adf Separation Pad (Mf8350/8330)

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Separation Pad (MF8350/8330) 4-41 ■ Removing the ADF Separation Pad (MF8350/8330) 3) Remove the Feed Guide [1] in the direction of the arrow. • 2 bosses [2] •...
  • Page 109 Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Separation Pad (MF8350/8330) 4-42 6) Remove the Separation Pad [1]. Caution: • Pad retainer [2] • Sheet [3] • Be careful not to lose the spring [2] attached to the Separation Pad Holder [1].

  • Page 110: Removing The Adf Separation Pad (Mf8380/8360/8340)

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Separation Pad (MF8380/8360/8340) 4-43 ■ Removing the ADF Separation Pad (MF8380/8360/8340) 3) Remove the Retaining Plate [1] On the Back of the Feed Guide. • 2 Screws [2] •...

  • Page 111: Removing The Adf Pickup Feed Unit (Mf8350/8330)

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Pickup Feed Unit (MF8350/8330) 4-44 ■ Removing the ADF Pickup Feed Unit (MF8350/8330) Caution: 1) Open the ADF Upper Cover [1]. Be careful not to lose the Spring [1] on the Separation Pad Holder.
  • Page 112 Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Pickup Feed Unit (MF8350/8330) 4-45 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.
  • Page 113 Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Pickup Feed Unit (MF8350/8330) 4-46 6) Remove the 4 screws [1] of the ADF Pickup Feed Unit. 7) Close the ADF Upper Cover [1] to remove the ADF Pickup Feed Unit [2].

  • Page 114: Removing The Adf Pickup Feed Unit (Mf8380/8360/8340)

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Pickup Feed Unit (MF8380/8360/8340) 4-47 3) Lift the ADF Tray [1] until it stops and release the hook [2] to tip the tray into the ■ Removing the ADF Pickup Feed Unit (MF8380/8360/8340) perpendicular position and remove by pulling upward.
  • Page 115 Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Pickup Feed Unit (MF8380/8360/8340) 4-48 4) Remove the boss [1] to remove the ADF Rear Cover [2] in the direction of the arrow. 6) Remove the 4 screws [1] of the ADF Pickup Feed Unit.

  • Page 116: Removing The Adf Pickup Motor

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the ADF Pickup Motor 4-49 7) Close the ADF Upper Cover [1] to remove the ADF Pickup Feed Unit [2]. ■ Removing the ADF Pickup Motor Pre-procedure 1) Remove the ADF Pickup Feed Unit. (Refer to page 4-44) / Refer to page 4-47.

  • Page 117: Removing The Reader Unit Upper Cover

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the Reader Unit Upper Cover 4-50 ■ Removing the Reader Unit Upper Cover Caution: Pre-procedure • When installing the ADF Pickup Motor, be sure to hook the gear [1] of the motor on 1) Remove the Right Cover.
  • Page 118 Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the Reader Unit Upper Cover 4-51 2) Remove the Scoopup sheet holder [1]. After Replacing the Reader Upper Cover Unit • 2 claws [2] 1) Enter the setting value of the Standard White Plate.

  • Page 119: Removing The Cis Unit

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the CIS Unit 4-52 3) Set a blank paper on the Copyboard Glass, and execute the white level adjustment with ■ Removing the CIS Unit the following service mode 1. Then, check the auto setting value with the following service Pre-procedure mode 2 and write the value in the service label.
  • Page 120 Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the CIS Unit 4-53 2) Remove the CIS Unit Mount [1] and remove the flat cable [2]. 3) Bring up the CIS Unit [1] to remove in the direction of the arrow.
  • Page 121 Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the CIS Unit 4-54 Caution: Caution: • When installing the CIS Unit [1], be sure to replace the CIS Spacer [2] together with When installing the CIS Unit, be sure to check that the projection [1] is fitted to the dent [2] the CIS Unit [1] (included in the pacage of the Service Parts).

  • Page 122: Removing The Reader Scanner Motor

    Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the Reader Scanner Motor 4-55 3) Set a blank paper on the Copyboard Glass, and execute the white level adjustment with ■ Removing the Reader Scanner Motor the following service mode 1. Then, check the auto setting value with the following service Pre-procedure mode 2 and write the value in the service label.
  • Page 123 Disassembly/Assembly > MF8300 series > Document Exposure, Feed System > Removing the Reader Scanner Motor 4-56 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 > MF8300 series > Document Exposure, Feed System > Removing the Reader Scanner Motor 4-57 7) Move the Motor Mounting Plate [1] and turn it over. • 2 screws [2] • 1 Grounding Plate [3] F-4-128 8) Pass the connector [1] through the hole [A].

  • Page 125: Controller System

    Disassembly/Assembly > MF8300 series > Controller System > Location 4-58 Controller System ■ Location (1/2) FAX-NCU PCB (UN16) Fixing Sub PCB (UN7) Wireless LAN PCB Fixing Relay PCB (UN6) Electric Name Remarks Reference Adjustment symbol during parts replacement Control Panel Unit...
  • Page 126 Disassembly/Assembly > MF8300 series > Controller System > Location 4-59 (2/2) Duplex Reversal Solenoid (SL5) Duplex Feeding Clutch (CL2) Electric Name Remarks Reference Adjustment symbol during parts replacement Duplex Reverse Drive Refer to page 4-82 Main Controller PCB (UN13) Unit...

  • Page 127: Removing The Controller Cover

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Wireless LAN PCB (MF8380) 4-60 ■ Removing the Controller Cover ■ Removing the Wireless LAN PCB (MF8380) Pre-procedure Pre-procedure 1) Removing the Right Cover. Refer to page 4-23 1) Removing the Right Cover. Refer to page 4-23 2) Removing the Controller Cover.

  • Page 128: Removing The Main Controller Pcb

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Main Controller PCB 4-61 ■ Removing the Main Controller PCB Pre-procedure 1) Removing the Right Cover. Refer to page 4-23 Measures before the replacement 2) Removing the Controller Cover. Refer to page 4-60 Back up user data (settings, registered data, etc.) and service mode data for setting and...
  • Page 129 Disassembly/Assembly > MF8300 series > Controller System > Removing the Main Controller PCB 4-62 After replacing main controller PCB 4. Reinstall the drivers. 1. Setting of destination/paper size group 1) Uninstalling Old Drivers. 1) COPIER > OPTION > BODY > LOCALE (to set destination groups) •...

  • Page 130: Removing The Main Controller Support Plate

    Disassembly/Assembly > MF8300 series > Controller System > Removing the DC Controller PCB 4-63 ■ Removing the Main Controller Support Plate ■ Removing the DC Controller PCB Pre-procedure Pre-procedure 1) Removing the Right Cover. Refer to page 4-23 1) Removing the Right Cover. Refer to page 4-23 2) Removing the Controller Cover.
  • Page 131 Disassembly/Assembly > MF8300 series > Controller System > Removing the DC Controller PCB 4-64 2) Disconnect the 5 flat cables [1]. After replacing DC Controller PCB 1) Execute the following in Service Mode • COPIER>FUINCTION>VIFFNC>RSTR-DCN MEMO After executing the Printer Recovery Setting, be sure to wait for about 15 seconds because of internal process/operation.

  • Page 132: Removing The High Voltage Power Supply Pcb

    Disassembly/Assembly > MF8300 series > Controller System > Removing the High Voltage Power Supply PCB 4-65 ■ Removing the High Voltage Power Supply PCB 2) Remove the harness guide [1]. • 6 claws [2] Pre-procedure 1) Removing the Right Cover. Refer to page 4-23 2) Removing the Left Cover.
  • Page 133 Disassembly/Assembly > MF8300 series > Controller System > Removing the High Voltage Power Supply PCB 4-66 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 134: Removing The Low Voltage Unit

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Low Voltage Unit 4-67 ■ Removing the Low Voltage Unit 3) Slide and open the Power Supply Unit [1] in the direction of the arrow. • 6 Screws [2] Pre-procedure •...

  • Page 135: Removing The Fixing Sub Pcb

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Fixing Sub PCB 4-68 5) Remove the Low Voltage Unit [1] ■ Removing the Fixing Sub PCB • 3 connectors [2] Pre-procedure 1) Removing the Right Cover. Refer to page 4-23 2) Removing the Controller Cover.

  • Page 136: Removing The Duplex Driver Pcb

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Duplex Driver PCB 4-69 2) Remove the wire harness [1], and remove the wire harness guide [2]. ■ Removing the Duplex Driver PCB • 3 connectors [3] Pre-procedure • 4 fixing guides [4] 1) Removing the Right Cover.

  • Page 137: Removing The Relay Pcb

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Relay PCB 4-70 2) Remove the Duplex Driver PCB [1]. ■ Removing the Relay PCB • 11 connectors [2] Pre-procedure • 1 flat cable [3] 1) Removing the Right Cover. Refer to page 4-23 •...

  • Page 138: Removing The Control Panel Unit (Mf8350/8330)

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Control Panel Unit (MF8350/8330) 4-71 2) Remove the harness guide [1]. ■ Removing the Control Panel Unit (MF8350/8330) • 1 screw [2] 1) Remove the claw [1] to remove the Reader Shaft Retainer [2].

  • Page 139: Removing The Control Panel Unit (Mf8380/8360/8340)

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Control Panel Unit (MF8380/8360/8340) 4-72 5) Open the ADF Unit [1] and place a sheet of paper [2] on the copyboard. ■ Removing the Control Panel Unit (MF8380/8360/8340) 1) Remove the claw [1] to remove the Reader Shaft Retainer [2].

  • Page 140: Removing The Control Panel Pcb (Mf8350/8330)

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Control Panel PCB (MF8350/8330) 4-73 5) Open the ADF Unit [1] and place a sheet of paper [2] on the copyboard. ■ Removing the Control Panel PCB (MF8350/8330) Pre-procedure 1) Removing the Control Panel Unit. (MF8350/8330) Refer to page 4-71 Procedure 1) Remove the Control Panel PCB [1].

  • Page 141: Removing The Control Panel Pcb (Mf8380/8360/8340)

    Disassembly/Assembly > MF8300 series > Controller System > Removing the FAX PCB (MF8350/8380/8360) 4-74 ■ Removing the Control Panel PCB (MF8380/8360/8340) ■ Removing the FAX PCB (MF8350/8380/8360) Pre-procedure Pre-procedure 1) Removing the Control Panel Unit. (MF8380/8360/8340) Refer to page 4-72 1) Removing the Right Cover.

  • Page 142: Removing The Off Hook Pcb (Mf8380/8360)

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Drive Unit 4-75 ■ Removing the Off Hook PCB (MF8380/8360) ■ Removing the Drive Unit Pre-procedure Pre-procedure 1) Removing the Right Cover. Refer to page 4-23 1) Removing the Right Cover. Refer to page 4-23 2) Removing the Left Cover.
  • Page 143 Disassembly/Assembly > MF8300 series > Controller System > Removing the Drive Unit 4-76 Procedure 2) Free the harness [1]. 1) Remove the Harness Guide and plate [1]. • 4 Harness Guides [A] • 1 Connector [2] • 1 Harness Guide [A] •...
  • Page 144 Disassembly/Assembly > MF8300 series > Controller System > Removing the Drive Unit 4-77 4) Free the harness [1] extruding out of the rear side [B] and [C] of the machine from the 6) Remove the DC Controller Support Plate [1].
  • Page 145 Disassembly/Assembly > MF8300 series > Controller System > Removing the Drive Unit 4-78 8) Remove the Right Frame Supporting Plate [1]. Caution: • 3 screws [2] When installing, be sure to place the [A] part of DC Controller Support Plate under the [B] part of the Harness Guide.
  • Page 146 Disassembly/Assembly > MF8300 series > Controller System > Removing the Drive Unit 4-79 10) Remove the sheet [1].(MF8380/8360/8340) 12) Remove the Harness Guide [1]. • 3 Hooks [2] • Harness Guide [A] • 2 Boss [2] • 2 Hooks [3] F-4-180 11) Free the harness [1] and [2] from the Harness Guide [A] and [B].
  • Page 147 Disassembly/Assembly > MF8300 series > Controller System > Removing the Drive Unit 4-80 14) 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 148 Disassembly/Assembly > MF8300 series > Controller System > Removing the Drive Unit 4-81 CAUTION: Installing the Main Drive Unit 2. Be sure to keep the following in mind when installing. • Fit the gear shaft [1] of the Main Drive Unit in the hole [2] of the host machine.

  • Page 149: Removing The Duplex Reverse Drive Unit

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Duplex Reverse Drive Unit 4-82 ■ Removing the Duplex Reverse Drive Unit Procedure 1) Remove the wire harness [1] from the wire harness cover [2]. Pre-procedure • 2 connectors [3] 1) Removing the Right Cover.

  • Page 150: Removing The Low Voltage Unit Cooling Fan (Mf8350/8330)

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Low Voltage Unit Cooling Fan (MF8350/8330) 4-83 2) Open [1] the Duplex Feed Unit, and remove the Duplex Reverse Drive Unit [2]. ■ Removing the Low Voltage Unit Cooling Fan (MF8350/8330) •...
  • Page 151 Disassembly/Assembly > MF8300 series > Controller System > Removing the Low Voltage Unit Cooling Fan (MF8350/8330) 4-84 2) Remove the wire harness guide [1]. Caution: • 2 claws [2] When installing the Low Voltage Unit Cooling Fan, ensure its direction.

  • Page 152: Removing The Fixing/Fixing Power Supply Cooling Fan Unit

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Fixing/Fixing Power Supply Cooling Fan Unit 4-85 ■ Removing the Fixing/Fixing Power Supply Cooling Fan Unit Procedure 1) Free the Grounding Wire [1] from the Harness Guide [A]. (Fax model only) Pre-procedure •...

  • Page 153: Removing The Duplex Feeding Fan

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Duplex Feeding Fan 4-86 3) Remove the Fixing/Fixing Power Supply Cooling Fan [1]. ■ Removing the Duplex Feeding Fan • 1 claw [2] Pre-procedure • 2 protrusions [3] 1) Removing the Right Cover. Refer to page 4-23 2) Removing the Left Cover.
  • Page 154 Disassembly/Assembly > MF8300 series > Controller System > Removing the Duplex Feeding Fan 4-87 3) Remove the fixing guide [1] and free the harness [2] from the harness guide. Caution: • 3 fixing guides [3] When installing the Duplex Feeding Fan, be careful of the installation direction.

  • Page 155: Removing The Speaker (Mf8350/8380/8360)

    Disassembly/Assembly > MF8300 series > Controller System > Removing the Speaker (MF8350/8380/8360) 4-88 ■ Removing the Speaker (MF8350/8380/8360) Pre-procedure 1) Removing the Right Cover. Refer to page 4-23 2) Removing the Controller Cover. Refer to page 4-60 Procedure 1) Remove the Speaker [1].

  • Page 156: Laser Exposure System

    Disassembly/Assembly > MF8300 series > Laser Exposure System > Removing the Laser Scanner Unit 4-89 Laser Exposure System ■ Removing the Laser Scanner Unit Pre-procedure ■ Location 1) Removing the Right CoverRefer to page 4-23 2) Removing the Left CoverRefer to page 4-21...
  • Page 157 Disassembly/Assembly > MF8300 series > Laser Exposure System > Removing the Laser Scanner Unit 4-90 1) Remove the wire harness cover plate [1]. 3) Remove the Harness Guide [1]. • 2 screws [2] • 1 Screw [2] • 1 Spring [3] •...
  • Page 158 Disassembly/Assembly > MF8300 series > Laser Exposure System > Removing the Laser Scanner Unit 4-91 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 159 Disassembly/Assembly > MF8300 series > Laser Exposure System > Removing the Laser Scanner Unit 4-92 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].
  • Page 160 Disassembly/Assembly > MF8300 series > Laser Exposure System > Removing the Laser Scanner Unit 4-93 MAI-S-Y1(Laser output correction value, horizontal scanning irradiation position1 Y) Caution:: MAI-S-M1(Laser output correction value, horizontal scanning irradiation position1 M) Insert 2 bosses [1] into 2 boss holes [2] when installing.

  • Page 161: Image Formation System

    Disassembly/Assembly > MF8300 series > Image Formation System > Location 4-94 Image Formation System Electric Name Remarks Reference Adjustment during parts symbo replacement ■ Location ITB Unit Refer to page 4-95 Drum Motor Refer to page Drum Motor (M1) 4-98...

  • Page 162: Removing The Itb Unit

    Disassembly/Assembly > MF8300 series > Image Formation System > Removing the ITB Unit 4-95 ■ Removing the ITB Unit 2) Disconnect the connector [1]. Pre-procedure 1) Removing the Cartridge TrayRefer to page 4-31 Procedure CAUTION: Be sure not to touch the surface of the ITB and the Secondary Transfer Roller when disassembling/assembling.
  • Page 163 Disassembly/Assembly > MF8300 series > Image Formation System > Removing the ITB Unit 4-96 4) Place the 2 parts [B] at the rear side of ITB Unit on the rail [C]. CAUTION: Be sure to install the harness [1] to the guide [A] of the ITB Unit when installing.

  • Page 164: Removing The Patch Density And Registration Sensor Unit

    Disassembly/Assembly > MF8300 series > Image Formation System > Removing the Patch Density and Registration Sensor unit 4-97 ■ Removing the Patch Density and Registration Sensor unit 2) Move the Patch Sensor Unit [1]. • 2 Screws [2] Pre-procedure • 2 Bosses [3] 1) Removing the Right CoverRefer to page 4-23 •...

  • Page 165: Removing The Drum Motor

    Disassembly/Assembly > MF8300 series > Image Formation System > Removing the Drum Motor 4-98 4) Lift the 2 parts [A] at the front side of the ITB Unit to release the 2 protrusions [1]. ■ Removing the Drum Motor Pre-procedure...
  • Page 166 Disassembly/Assembly > MF8300 series > Image Formation System > Removing the Drum Motor 4-99 procedure 2) Remove the wire harness guide [1]. 1) Remove the fixing guide [1] and the wire harness [2]. • 1 claw [2] • 1 screw [3] •...

  • Page 167: Removing The Developing Motor

    Disassembly/Assembly > MF8300 series > Image Formation System > Removing the Developing Motor 4-100 ■ Removing the Developing Motor procedure 1) Remove the fixing guide [1] and the wire harness [2]. Pre-procedure • 1 screw [3] 1) Removing the Right CoverRefer to page 4-23 •...

  • Page 168: Removing The Secondary Transfer Outer Roller

    Disassembly/Assembly > MF8300 series > Image Formation System > Removing the Secondary Transfer Outer Roller 4-101 2) Remove the wire harness guide [1]. ■ Removing the Secondary Transfer Outer Roller • 1 claw [2] • 2 hooks [3] Caution: Secondary Transfer Outer Roller is included in Secondary Transfer FeedUnit so when replacing the Secondary Transfer Outer Roller, be sure toreplace the Secondary Transfer Feed Unit itself.

  • Page 169: Fixing System

    Disassembly/Assembly > MF8300 series > Fixing System > Location 4-102 Fixing System Electric Name Remarks Reference Adjustment during symbo parts replacement ■ Location Fixing Unit Refer to page 4-103 Fixing Motor Refer to page Fixing Motor Unit (M4) 4-109 Fixing Assembly...

  • Page 170: Removing The Fixing Assembly

    Disassembly/Assembly > MF8300 series > Fixing System > Removing the Fixing Assembly 4-103 ■ Removing the Fixing Assembly 2) Free the harness [1] from the harness guide [2]. • 3 connectors [3] Pre-procedure • 2 fixing guides [4] 1) Removing the Right CoverRefer to page 4-23 •...

  • Page 171: Removing The Fixing Film Unit

    Disassembly/Assembly > MF8300 series > Fixing System > Removing the Fixing Film Unit 4-104 ■ Removing the Fixing Film Unit 3) Remove the Fixing Assembly [1]. • 2 screws [2] Pre-procedure 1) Removing the Right CoverRefer to page 4-23 2) Removing the Left CoverRefer to page 4-21...
  • Page 172 Disassembly/Assembly > MF8300 series > Fixing System > Removing the Fixing Film Unit 4-105 2) Remove the gear [1], Parallel Pin [2], E-Ring [3], cam [4], and bushing [5]. 3) After sliding the shaft [1] to remove the Parallel Pins [2] and the cam [3], remove the shaft [1] •...
  • Page 173 Disassembly/Assembly > MF8300 series > Fixing System > Removing the Fixing Film Unit 4-106 4) While securing the harness [1] to the guide [A], remove the harness [1] and the guide [2]. CAUTION: • Harness Guide [B] At installation, be sure to align the protrusion of the cam [1] with the groove of the Sensor Flag [2].
  • Page 174 Disassembly/Assembly > MF8300 series > Fixing System > Removing the Fixing Film Unit 4-107 6) Free the harness (purple) [1] from the Harness Guide [A] and [C]. 8) Remove the harness [1] and the guide [2]. 7) Free the harness (green) [2] from the Harness Guide [A], [C] and [D].
  • Page 175 Disassembly/Assembly > MF8300 series > Fixing System > Removing the Fixing Film Unit 4-108 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].

  • Page 176: Removing The Fixing Pressure Roller

    Disassembly/Assembly > MF8300 series > Fixing System > Removing the Fixing Motor Unit 4-109 ■ Removing the Fixing Pressure Roller ■ Removing the Fixing Motor Unit Pre-procedure Pre-procedure 1) Removing the Right CoverRefer to page 4-23 1) Removing the Right CoverRefer to page 4-23...
  • Page 177 Disassembly/Assembly > MF8300 series > Fixing System > Removing the Fixing Motor Unit 4-110 Caution: When removing the Fixing Motor Unit, do not lose the spring [1] in the backside. F-4-256 Caution: In installation, put the edge of the spring [1] and the projection [2] of the gear into the hole on the sheet metal.

  • Page 178: Pickup Feeder System

    Disassembly/Assembly > MF8300 series > Pickup Feeder System > Location 4-111 Pickup Feeder System Electric Name Remarks Reference symbo ■ Location Delivery Unit Refer to page 4-125 Duplex Feed Unit Refer to page Pickup Motor (M5) MP Paper 4-126 Pickup Unit...

  • Page 179: Removing The Cassette Pickup Roller

    Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the Cassette Pickup Roller 4-112 ■ Removing the Cassette Pickup Roller 7) Open 2 projections [1], and remove the Pickup Roller [2]. • 2 Claws [3] 1) Turn ON the power switch.

  • Page 180: Removing The Cassette Separation Roller

    Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the Cassette Separation Roller 4-113 ■ Removing the Cassette Separation Roller 3) Remove the 2 projections [1] to remove the Cover [2]. Caution: When tilting the host machine, remove the Toner Cartridge (Y, M, C, Bk) beforehand.

  • Page 181: Removing The Mp Tray Pickup Roller

    Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the MP Tray Separation Pad 4-114 ■ Removing the MP Tray Pickup Roller ■ Removing the MP Tray Separation Pad 1) Remove the cassette. 1) Put a Screwdriver into the gap [2] between the MP Tray Separation Pad [1] and the Pad 2) Lower the Multi-purpose Tray [1].

  • Page 182: Removing The Pickup Motor

    Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the Pickup Motor 4-115 ■ Removing the Pickup Motor procedure 1) Remove the wire harness [2] from the wire harness guide [1]. Pre-procedure • 8 connectors [3] 1) Removing the Right Cover. Refer to page 4-23 •...
  • Page 183 Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the Pickup Motor 4-116 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-4-268 3) Remove the Harness Guide [1].

  • Page 184: Removing The Pickup Unit

    Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the Pickup Unit 4-117 ■ Removing the Pickup Unit 1) Remove the wire harness [2] from the wire harness guide [1]. • 8 connectors [3] Pre-procedure • 10 fixing guides [4] 1) Removing the Right Cover.
  • Page 185 Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the Pickup Unit 4-118 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 186 Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the Pickup Unit 4-119 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 187 Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the Pickup Unit 4-120 Installation Method 2) Place the edge [A] of the guide of the Pickup Unit over the spring [1] of the host machine. 3) Place the Sensor Flag Cover [B] of the Pickup Unit over the plate [C] of the Roller Unit of Caution: the host machine.
  • Page 188 Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the Pickup Unit 4-121 4) Place the edge [D] of the Feed Guide of the Pickup Unit over the edge [E] of the Roller Unit 5) Align the 4 protrusions [1], and secure the Pickup Unit with the 6 screws [2].

  • Page 189: Removing The Mp Tray Pickup Unit

    Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the MP Tray Pickup Unit 4-122 ■ Removing the MP Tray Pickup Unit 3) Move the MP Tray Pickup Unit [1] in the direction of the arrow. Caution: When tilting the host machine, make sure to remove the Toner Cartridge (Y, M, C, Bk) beforehand.
  • Page 190 Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the MP Tray Pickup Unit 4-123 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 191: Removing The Secondary Transfer Feed Unit

    Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the Secondary Transfer Feed Unit 4-124 ■ 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...

  • Page 192: Removing The Delivery Unit

    Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the Delivery Unit 4-125 ■ Removing the Delivery Unit 2) Release the 2 claws [1], and disconnect the connector [2]. Pre-procedure 1) Removing the Right CoverRefer to page 4-23 2) Removing the Left CoverRefer to page 4-21...

  • Page 193: Removing The Duplex Feed Unit

    Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the Duplex Feed Unit 4-126 4) Remove the Delivery Unit [1]. ■ Removing the Duplex Feed Unit • 3 screws [2] Pre-procedure 1) Removing the Right CoverRefer to page 4-23...

  • Page 194: Removing The Re-Pickup Guide Unit

    Disassembly/Assembly > MF8300 series > Pickup Feeder System > Removing the Re-pickup Guide Unit 4-127 ■ Removing the Re-pickup Guide Unit CAUTION: Pre-procedure Be sure to insert the 2 harnesses [1] at the bottom of the Guide [A] when installing.

  • Page 195: Mf8000 Series

    Disassembly/Assembly > MF8000 series > List of External / Internal Cover 4-128 MF8000 series USB Port ADF Rear Cover LAN Port List of External / Internal Cover Handset terminal Side Guide (R) Rear Upper Side Guide (F) Delivery Tray External Device Cover ADF Upper Cover Jack...

  • Page 196: List Of Main Unit

    Disassembly/Assembly > MF8000 series > List of External / Internal Cover > List of Main Unit 4-129 ■ List of Main Unit ADF Unit Sub Drive Unit Main Drive Unit Control Panel Unit Reader Unit F-4-302 Name Refarence Main Drive Unit Refer to page 4-193 F-4-301 Sub Drive Unit...

  • Page 197: List Of Motor/Fan

    Disassembly/Assembly > MF8000 series > List of External / Internal Cover > List of Motor/Fan 4-130 ■ List of Motor/Fan Fixing Unit M704 M703 M721 M701 M720 M702 Laser Scanner Unit ITB Unit F-4-303 Name Refarence Adjastment during parts replacement Laser Scanner Unit Refer to page 4-201 Refer to page 5-7 F-4-304...

  • Page 198: List Of Clutch / Solenoid/Heater/Thermistor/Switch/Speaker

    Disassembly/Assembly > MF8000 series > List of External / Internal Cover > List of Sensor 4-131 ■ List of Clutch / Solenoid/Heater/Thermistor/Switch/speaker ■ List of Sensor PS702 H801 SR607 SL706 SR603 PS703 TH802 PS701 SR606 SR605 SR609 SR608 SR604 SR610 SR613 SR602 SR601...

  • Page 199: Pcb

    Disassembly/Assembly > MF8000 series > List of External / Internal Cover > PCB 4-132 ■ PCB Name Main Unit Refarence Adjastment during parts replacement DC Controller PCB Refer to page Refer to page 4-184 4-184 Laser Driver PCB Laser Scanner Unit Refer to page Refer to page 5-7 4-201 High Voltage Power...

  • Page 200: List Of Connector (Mf8050/Mf8030)

    Disassembly/Assembly > MF8000 series > List of External / Internal Cover > List of connector (MF8050/MF8030) 4-133 ■ List of connector (MF8050/MF8030) F-4-309 KeyNo. J No. Electric Electric parts name Relay connector KeyNo. J No. Electric Electric parts name REMARKS symbol symbol J107...
  • Page 201 Disassembly/Assembly > MF8000 series > List of External / Internal Cover > List of connector (MF8050/MF8030) 4-134 F-4-310 KeyNo J No. Electric Electric parts name Relay connector KeyNo. J No. Electric Electric symbol REMARKS symbol symbol J102 DC controller PCB J371, J372 Low-voltage power spply PCB J103...
  • Page 202 Disassembly/Assembly > MF8000 series > List of External / Internal Cover > List of connector (MF8050/MF8030) 4-135 KeyNo. J No. Electric Electric parts name Relay connector KeyNo. J No. Electric Electric parts name F-4-311 REMARKS symbol symbol J116 DC controller PCB J161/J162/J163/ SR601 Cassette paper detection sensor...
  • Page 203 Disassembly/Assembly > MF8000 series > List of External / Internal Cover > List of connector (MF8050/MF8030) 4-136 KeyNo. J No. Electric Electric parts name Relay connector KeyNo. J No. Electric Electric parts name F-4-312 REMARKS symbol symbol J111 DC controller PCB J702 M702 Pickup motor...
  • Page 204 Disassembly/Assembly > MF8000 series > List of External / Internal Cover > List of connector (MF8050/MF8030) 4-137 KeyNo. J No. Electric Electric parts name Relay connector KeyNo. J No. Electric Electric parts name REMARKS symbol symbol J921 Main controller PCB J601 UN12 Off hook PCB...

  • Page 205: List Of Connector (Mf8080/Mf8040/Mf8010)

    Disassembly/Assembly > MF8000 series > List of External / Internal Cover > List of connector (MF8080/MF8040/MF8010) 4-138 ■ List of connector (MF8080/MF8040/MF8010) J703 J112 J607 J912 J120 J922 J108 J922 J115 J109 J609 J120 J608 J608 J107 J609 J112 J119 J110 J118 J119...
  • Page 206 Disassembly/Assembly > MF8000 series > List of External / Internal Cover > List of connector (MF8080/MF8040/MF8010) 4-139 J913 J946 J915 J908 J952 J914 J321 J801 J802L J102 J312 J373 J313 J351 J374 J117 J352 J103 J301B J604 J102 J104 J605 J301A /J301B J105...
  • Page 207 Disassembly/Assembly > MF8000 series > List of External / Internal Cover > List of connector (MF8080/MF8040/MF8010) 4-140 J901 J909 J911 J907 J906 J409 J701 J920 J603 J121 J116 J602 J116 J No. Electric Electric parts name Relay connector J No. Electric Electric parts name REMARKS...
  • Page 208 Disassembly/Assembly > MF8000 series > List of External / Internal Cover > List of connector (MF8080/MF8040/MF8010) 4-141 J904 J945 J903 J918 J944 J943 J1305 J942 J910 J1302 J921 J1404 J2001 J1312 J124 J2000 J1402L J126 J127 J111 J702 J113 J941 J113 J No.

  • Page 209: External Cover, Internal Cover

    Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Location 4-142 External Cover, Internal Cover USB Port ADF Rear Cover LAN Port ■ Location Handset terminal Side Guide (R) Side Guide (F) Delivery Tray Rear Upper ADF Upper Cover External Device Cover Document Tray...

  • Page 210: Removing The Left Cover

    Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Left Cover 4-143 ■ Removing the Left Cover 5) Remove the 4 claws [1] at the upper side of the Left Cover. 6) Remove the 2 claws at the rear side of the Left Cover. 1) Remove the Cassette [1].
  • Page 211 Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Left Cover 4-144 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 212 Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Left Cover 4-145 Installing the Left Cover 5) Install the Left Cover [1]. 1) To remove the claw at the lower side of the Left Cover, move the Host Machine for about •...

  • Page 213: Removing The Right Cover

    Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Right Cover 4-146 ■ Removing the Right Cover 6) Release the claw [1] while opening the Right Cover. 7) Close the Front Cover [2] and release the claw[3]. 1) Remove the Cassette [1] 2) To remove the claw at the lower side of the Right Cover, move the Host Machine for about 5cm from the base.
  • Page 214 Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Right Cover 4-147 9) Hold the Right Cover [1] to remove. Installing the Right Cover • 3 claws [2] 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 215: Removing The Front Cover (Mf8050/8030)

    Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Front Cover (MF8050/8030) 4-148 2) Insert the 5 claws [1] on the upper side of the Right Cover and install the Right Cover [2]. ■ Removing the Front Cover (MF8050/8030) •...
  • Page 216 Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Front Cover (MF8050/8030) 4-149 3) Pull the Cartridge Tray [1]. 7) Insert a flat-blade screwdriver into the clearance [A] between the Left Stopper [1] and rail. 8) Remove the Left Stopper [1] while pushing the [B] part. Caution: •...
  • Page 217 Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Front Cover (MF8050/8030) 4-150 10) Close the Front Cover [1]. 13) Open the Front Cover [1] to remove the Feeding Guide [2]. 11) Open the Multi-purpose Tray Pickup Slot Cover [2] and Multi-purpose Tray Pickup Tray [3]. F-4-341 14) Put the Front Cover [1] back to position A.
  • Page 218 Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Front Cover (MF8050/8030) 4-151 16) Remove the Right Holder [2] and Left Holder [3] while holding the Front Cover [1]. 17) Push and remove the Right Arm [1] and Left Arm [2]. •...

  • Page 219: Removing The Front Covent Cover (Mf8080/8040/8010)

    Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Front Covent Cover (MF8080/8040/8010) 4-152 ■ Removing the Front Covent Cover (MF8080/8040/8010) 3) Pull the Cartridge Tray [1]. Caution: Caution: Since the Cartridge Tray interferes with the stopper when removing the stopper, do not Be careful as this unit has the different procedure by the model.
  • Page 220 Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Front Covent Cover (MF8080/8040/8010) 4-153 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 221 Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Front Covent Cover (MF8080/8040/8010) 4-154 13) Open the Front Cover [1] to remove the Feeding Guide [2]. 16) Remove the Fixation Pin [1] of the Right Arm. • 1 Claw [2] F-4-353 14) Put the Front Cover [1] back to position A.

  • Page 222: Removing The Rear Upper Cover

    Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Rear Upper Cover 4-155 18) Push and remove the Left Arm [1]. ■ Removing the Rear Upper Cover • 1 Shaft [2] Pre-procedure 1) Remove the Right Cover. Refer to page Refer to page 4-146. 2) Remove the Left Cover.

  • Page 223: Removing The Rear Lower Cover

    Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Rear Cover. 4-156 ■ Removing the Rear Lower Cover ■ Removing the Rear Cover. Pre-procedure Pre-procedure 1) Remove the Right Cover. Refer to page Refer to page 4-146. 1) Remove the Right Cover.

  • Page 224: Removing The Upper Cover

    Disassembly/Assembly > MF8000 series > External Cover, Internal Cover > Removing the Upper Cover 4-157 ■ Removing the Upper Cover 3) Remove the Upper Cover [1]. • 8 screws [2] Pre-procedure • 1 claw [3] 1) Remove the Right Cover. Refer to page Refer to page 4-146. 2) Remove the Left Cover.

  • Page 225: Document Exposure/Feeder System

    Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Location 4-158 Document exposure/feeder system Electric Name Remarks Reference Adjustment during symbol parts replacement ■ Location ADF Unit MF8050/8030 Refer to page 4-159 refer to page Refer /8080/8040 Refer to page 4-160 to page 5-3 Reader Unit MF8050/8030...

  • Page 226: Removing The Adf Unit + Reader Unit (Mf8050/8030/8080/8040)

    Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the ADF Unit + Reader Unit (MF8050/8030/8080/8040) 4-159 ■ Removing the ADF Unit + Reader Unit 5) Remove the Controller Cover [1]. • 7 screws [2] (MF8050/8030/8080/8040) • 2 hooks [3] Pre-procedure 1) Remove the Right Cover.

  • Page 227: Separating The Adf Unit + Reader Unit (Mf8050/8030/8080/8040)

    Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Separating the ADF Unit + Reader Unit (MF8050/8030/8080/8040) 4-160 7) Remove the 2 groundings [1]. ■ Separating the ADF Unit + Reader Unit • 2 Screws [2] (MF8050/8030/8080/8040) 8) Open and remove the ADF Unit + Reader Unit [3]. •...
  • Page 228 Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Separating the ADF Unit + Reader Unit (MF8050/8030/8080/8040) 4-161 2) Remove the Reader Unit Lower Cover [1]. 4) Open the ADF Unit and separeate it to the dirrection of the arrow from the Reader Unit [2]. •...
  • Page 229 Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Separating the ADF Unit + Reader Unit (MF8050/8030/8080/8040) 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 230 Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Separating the ADF Unit + Reader Unit (MF8050/8030/8080/8040) 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 231: Removing The Adf Roller Unit (Mf8050/8030/8080/8040)

    Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the ADF Roller Unit (MF8050/8030/8080/8040) 4-164 ■ Removing the ADF Roller Unit (MF8050/8030/8080/8040) 3) Remove the plastic E-ring [1] and slide the bushing [2]. Caution: Do not touch the surface of the roller. 1) Open the ADF Upper Cover [1].
  • Page 232 Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the ADF Roller Unit (MF8050/8030/8080/8040) 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-4-384 F-4-385 •...

  • Page 233: Removing The Adf Pickup Roller (Mf8050/8030/8080/8040)

    Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the ADF separation roller (MF8050/8030/8080/8040) 4-166 ■ Removing the ADF Pickup Roller (MF8050/8030/8080/8040) ■ Removing the ADF separation roller (MF8050/8030/8080/8040) Pre-procedure Pre-procedure 1) Remove the ADF roller unit. Refer to page 4-164. 1) Remove the ADF roller unit.Refer to page 4-164.

  • Page 234: Removing The Adf Separation Pad (Mf8050/8030/8080/8040)

    Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the ADF Separation Pad (MF8050/8030/8080/8040) 4-167 ■ Removing the ADF Separation Pad (MF8050/8030/8080/8040) 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 235 Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the ADF Separation Pad (MF8050/8030/8080/8040) 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-4-395 F-4-397 4) Reverse the Feed Guide.

  • Page 236: Removing The Adf Pickup Feed Unit (Mf8050/8030/8080/8040)

    Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the ADF Pickup Feed Unit (MF8050/8030/8080/8040) 4-169 6) Remove the Separation Pad [1]. ■ Removing the ADF Pickup Feed Unit (MF8050/8030/8080/8040) • Pad retainer [2] • Sheet [3] 1) Open the ADF Upper Cover [1]. F-4-399 F-4-400 2) Remove the hook [1] using flat-head driver, and remove the ADF Front Cover [2] in the...
  • Page 237 Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the ADF Pickup Feed Unit (MF8050/8030/8080/8040) 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 238 Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the ADF Pickup Feed Unit (MF8050/8030/8080/8040) 4-171 6) Remove the 5 screws [1] of the ADF Pickup Feed Unit. 7) Close the ADF Upper Cover [1] to remove the ADF Pickup Feed Unit [2]. F-4-406 8) Remove the ADF Upper Cover Unit [1].

  • Page 239: Removing The Adf Pickup Motor (Mf8050/8030/8080/8040)

    Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the ADF Pickup Motor (MF8050/8030/8080/8040) 4-172 ■ Removing the ADF Pickup Motor (MF8050/8030/8080/8040) Caution: Pre-procedure • When installing the ADF Pickup Motor, be sure to hook the gear [1] of the motor on 1) Remove the ADF Pickup Feed Unit.

  • Page 240: Removing The Reader Unit Upper Cover

    Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the Reader Unit Upper Cover 4-173 2) Remove the Scoopup sheet holder [1]. ■ Removing the Reader Unit Upper Cover • 2 claws [2] Pre-procedure 1) Remove the Right Cover. Refer to page 4-146. 2) Remove the Left Cover.
  • Page 241 Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the Reader Unit Upper Cover 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 1) Enter the setting value of the Standard White Plate. the following service mode 1.

  • Page 242: Removing The Cis Unit

    Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the CIS Unit 4-175 ■ Removing the CIS Unit 2) Remove the CIS Unit Mount [1] and remove the flat cable [2]. • 1 guide [3] Pre-procedure 1) Remove the Right Cover. Refer to page 4-146. Caution: 2) Remove the Left Cover.
  • Page 243 Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the CIS Unit 4-176 3) 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 244 Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the CIS Unit 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 245: Removing The Reader Scanner Motor

    Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the Reader Scanner Motor 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 Pre-procedure the Drive Belt [1].
  • Page 246 Disassembly/Assembly > MF8000 series > Document exposure/feeder system > Removing the Reader Scanner Motor 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 247: Controller System

    Disassembly/Assembly > MF8000 series > Controller System > Location 4-180 Controller System ■ Location FAX-NCU PCB (UN9) Main Motor (M701) Sub Drive Unit Main Controller PCB (UN8) Wireless LAN PCB Control Panel Unit (UN10) Off Hook PCB (UN12) Control Panel Unit Main Drive Unit DC Controller PCB (UN2) Fixing...

  • Page 248: Removing The Controller Cover

    Disassembly/Assembly > MF8000 series > Controller System > Removing the Wireless LAN PCB (MF8080) 4-181 ■ Removing the Controller Cover ■ Removing the Wireless LAN PCB (MF8080) Pre-procedure Pre-procedure 1) Remove the Right Cover. Refer to page Refer to page 4-146. 1) Remove the Right Cover.

  • Page 249: Removing The Main Controller Pcb

    Disassembly/Assembly > MF8000 series > Controller System > Removing the Main Controller PCB 4-182 ■ Removing the Main Controller PCB Pre-procedure 1) Remove the Right Cover. Refer to page Refer to page 4-146. Before replacement 2) Remove the Controller Cover. Refer to page 4-181 Back up user data (settings, registered data, etc.) and service mode data for setting and 3) Remove the Wireless LAN PCB.(MF8080 only) Refer to page 4-181 registration after PCB replacement.
  • Page 250 Disassembly/Assembly > MF8000 series > Controller System > Removing the Main Controller PCB 4-183 After replacing main controller PCBs\ 4. Reinstall the drivers. 1. Setting of destination/paper size group 1) Uninstalling Old Drivers. 1) COPIER > OPTION > BODY > LOCALE (to set destination groups) •...

  • Page 251: Removing The Dc Controller Pcb

    Disassembly/Assembly > MF8000 series > Controller System > Removing the DC Controller PCB 4-184 ■ Removing the DC Controller PCB 3) Disconnect the 16 connectors [1] and the flat cable [2]. Pre-procedure 1) Remove the Right Cover. Refer to page Refer to page 4-146. Procedure 1) Remove the cover [1].

  • Page 252: Removing The Low Voltage Power Supply Unit

    Disassembly/Assembly > MF8000 series > Controller System > Removing the Low Voltage Power Supply Unit 4-185 The Procedure to be Performed after Replacing the DC Controller PCB ■ Removing the Low Voltage Power Supply Unit 1) Execute the following in Service Mode Pre-procedure •...

  • Page 253: Removing The High Voltage Power Supply Pcb

    Disassembly/Assembly > MF8000 series > Controller System > Removing the High Voltage Power Supply PCB 4-186 2) Remove the Low Voltage Power Supply Unit [1]. ■ Removing the High Voltage Power Supply PCB • 3 screws (D tightening) [2] Pre-procedure •...
  • Page 254 Disassembly/Assembly > MF8000 series > Controller System > Removing the High Voltage Power Supply PCB 4-187 2) Disconnect the 2 connectors [1] and free the harness [3] from the 2 harness guides [2]. 5) Remove the High Voltage Power Supply PCB [1]. •...

  • Page 255: Removing The Fixing Power Supply Unit

    Disassembly/Assembly > MF8000 series > Controller System > Removing the Fixing Power Supply Unit 4-188 ■ Removing the Fixing Power Supply Unit 2) Remove the Harness Guide [1]. • 1 Connector [2] Pre-procedure • 1 Hook [3] 1) Remove the Right Cover. Refer to page Refer to page 4-146. 3) Remove the Fixing Power Supply Unit [4].

  • Page 256: Removing The Control Panel (Mf8050/8030)

    Disassembly/Assembly > MF8000 series > Controller System > Removing the Control Panel (MF8050/8030) 4-189 ■ Removing the Control Panel (MF8050/8030) 5) Open the ADF Unit [1] and place a sheet of paper [2] on the copyboard. 1) Remove the claw [1] to remove the Reader Shaft Retainer [2]. 2) While supporting the ADF Unit + Reader Unit [3], remove the Reader Support Shaft [4].

  • Page 257: Removing The Control Panel (Mf8080/8040/8010)

    Disassembly/Assembly > MF8000 series > Controller System > Removing the Control Panel (MF8080/8040/8010) 4-190 ■ Removing the Control Panel (MF8080/8040/8010) 5) Open the ADF Unit [1] and place a sheet of paper [2] on the copyboard. 1) Remove the claw [1] to remove the Reader Shaft Retainer [2]. 2) While supporting the ADF Unit + Reader Unit [3], remove the Reader Support Shaft [4].

  • Page 258: Removing The Control Panel Pcb(Mf8050/8030)

    Disassembly/Assembly > MF8000 series > Controller System > Removing the Control Panel PCB(MF8080/8040/8010) 4-191 ■ Removing the Control Panel PCB(MF8050/8030) ■ Removing the Control Panel PCB(MF8080/8040/8010) Pre-procedure Pre-procedure 1) Remove the Control Panel Unit. (MF8050/8030) Refer to page Refer to page 4-189. 1) Remove the Control Panel Unit.

  • Page 259: Removing The Fax Pcb (Mf8050/8080)

    Disassembly/Assembly > MF8000 series > Controller System > Removing the Off Hook PCB (MF8080) 4-192 ■ Removing the FAX PCB (MF8050/8080) ■ Removing the Off Hook PCB (MF8080) Pre-procedure Pre-procedure 1) Remove the Right Cover. Refer to page Refer to page 4-146. 1) Remove the Right Cover.

  • Page 260: Removing The Main Drive Unit

    Disassembly/Assembly > MF8000 series > Controller System > Removing the Main Drive Unit 4-193 ■ Removing the Main Drive Unit 2) Free the harness [1] and remove the Main Controller Support Plate [2]. • 1 Connector [3] (MF8080 only) Pre-procedure •...
  • Page 261 Disassembly/Assembly > MF8000 series > Controller System > Removing the Main Drive Unit 4-194 4) Remove the harness [1] and then remove the harness guide [2] in the direction of the 6) Remove the harness [1] and then remove the harness guide [2]. arrow.
  • Page 262 Disassembly/Assembly > MF8000 series > Controller System > Removing the Main Drive Unit 4-195 8) Free the flat cable [1] and the 2 harnesses [2] from the 9 guides [3]. 9) Remove the Harness Support Plate [1] in the direction of the arrow. •...
  • Page 263 Disassembly/Assembly > MF8000 series > Controller System > Removing the Main Drive Unit 4-196 11) Lift the [A] part and the Right Rear Frame [1], remove the Right Rear Frame [1]. 12) Release the 2 claws [1] in the direction of the arrow and remove the Link Shaft Stopper [2] •...
  • Page 264 Disassembly/Assembly > MF8000 series > Controller System > Removing the Main Drive Unit 4-197 13) Release the 2 hooks [1] of the Main Drive Unit from the claws [2] in the direction of the Caution: arrow to remove the Main Drive Unit [3]. •...

  • Page 265: Removing The Sub Drive Unit

    Disassembly/Assembly > MF8000 series > Controller System > Removing the Sub Drive Unit 4-198 ■ Removing the Sub Drive Unit Caution: Pre-procedure Be sure to check that the ITB Link Unit [2] of the Main Drive Unit [1] is set at the correct 1) Remove the Right Cover.

  • Page 266: Removing The Main Motor

    Disassembly/Assembly > MF8000 series > Controller System > Removing the Main Motor 4-199 ■ Removing the Main Motor Caution: Pre-procedure At installation, since the parallel pin [2] drops depending on the direction of the shaft 1) Remove the Right Cover. Refer to page Refer to page 4-146. [1], be careful not to drop or lose it.When installing the Sub Drive Assembly, install 2) Remove the Controller Cover.

  • Page 267: Removing The Speaker (Mf8050/8080)

    Disassembly/Assembly > MF8000 series > Controller System > Removing the Speaker (MF8050/8080) 4-200 2) Remove the Motor Cover [1]. ■ Removing the Speaker (MF8050/8080) • 1 Connector [2] Pre-procedure • 2 Harness Guides [3] 1) Remove the Right Cover. Refer to page Refer to page 4-146. •...

  • Page 268: Laser Exposure System

    Disassembly/Assembly > MF8000 series > Laser Exposure System > Removing the Laser Scanner Unit 4-201 Laser Exposure System ■ Removing the Laser Scanner Unit Pre-procedure ■ Location 1) Remove the Right Cover. Refer to page Refer to page 4-146. 2) Remove the Left Cover. Refer to page Refer to page 4-143. Laser Scanner Unit 3) Remove the Rear Upper Cover.
  • Page 269 Disassembly/Assembly > MF8000 series > Laser Exposure System > Removing the Laser Scanner Unit 4-202 1) Disconnect the 2 Flat Cables [1] and free from the 2 guides [2]. 5) Remove the 2 screws [1] to remove the Harness Support Plate [2]. 2) Disconnect the 3 connectors [3].
  • Page 270 Disassembly/Assembly > MF8000 series > Laser Exposure System > Removing the Laser Scanner Unit 4-203 7) Remove the spring [2] from the Sensor Arm [1]. 10) Remove the Scanner fixing spring [1] at the rear side from the hook [2]. 8) Remove the Scanner fixing spring [3] at the right side from the hook [4].
  • Page 271 Disassembly/Assembly > MF8000 series > Laser Exposure System > Removing the Laser Scanner Unit 4-204 11) Remove the Laser Scanner Unit [1]. MAI-S-Y2(Laser output correction value, horizontal scanning irradiation position2 Y) MAI-S-M2(Laser output correction value, horizontal scanning irradiation position2 M) MAI-S-C2(Laser output correction value, horizontal scanning irradiation position2 C) MAI-S-K2(Laser output correction value, horizontal scanning irradiation position2 K) SUB-S-Y1...

  • Page 272: Image Formation System

    Disassembly/Assembly > MF8000 series > Image Formation System > Removing the ITB Unit 4-205 Image Formation System ■ Removing the ITB Unit ■ Location Pre-procedure 1) Remove the Right Cover. Refer to page Refer to page 4-146. 2) Remove the Left Cover. Refer to page Refer to page 4-143. 3) Remove the Rear Upper Cover.
  • Page 273 Disassembly/Assembly > MF8000 series > Image Formation System > Removing the ITB Unit 4-206 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 274 Disassembly/Assembly > MF8000 series > Image Formation System > Removing the ITB Unit 4-207 10) Remove the ITB Fixing Holder [1]. 11) Hold the 2 parts [A] at the rear side of the ITB Unit to pull out and temporarily place the •...
  • Page 275 Disassembly/Assembly > MF8000 series > Image Formation System > Removing the ITB Unit 4-208 12) Put the connector [1] through the hole [2] on the guide and place it inside. 13) Remove the ITB Unit in the direction of the arrow. Caution: Do not make the Plate [2] deformed.

  • Page 276: Removing The Secondary Transfer Outer Roller

    Disassembly/Assembly > MF8000 series > Image Formation System > Removing the Secondary Transfer Outer Roller 4-209 ■ Removing the Secondary Transfer Outer Roller 2) Remove the 2 stoppers [1]. • 2 claws [2] 3) Remove the Secondary Transfer Outer Roller [3]. 1) Open the Rear Cover [1].
  • Page 277 Disassembly/Assembly > MF8000 series > Image Formation System > Removing the Secondary Transfer Outer Roller 4-210 Caution: When installing the Secondary Transfer External Roller, take note of the direction of the Secondary Transfer Roller [1]. long short F-4-501 4-210 Disassembly/Assembly > MF8000 series > Image Formation System > Removing the Secondary Transfer Outer Roller...

  • Page 278: Fixing System

    Disassembly/Assembly > MF8000 series > Fixing System > Removing the Fixing Assembly 4-211 Fixing System Electric Name Remarks Reference Adjustment during symbol parts replacement ■ Location Fixing Assembly Refer to page 4-211 M703 Fixing Motor Refer to page 4-215 - Fixing Motor (M703) Fixing Film Unit Refer to page 4-212 -...

  • Page 279: Replacing The Fixing Film Unit

    Disassembly/Assembly > MF8000 series > Fixing System > Removing the Fixing Assembly 4-212 2) Disconnect the 5 connectors [1] and free the harness [4] from the 3 harness guides [2] and ■ Replacing the Fixing Film Unit the wire saddle [3]. Pre-procedure 1) Remove the Right Cover.
  • Page 280 Disassembly/Assembly > MF8000 series > Fixing System > Replacing the Fixing Film Unit 4-213 3) Remove the Guide Retaining Plate [1]. Caution: • 2 screws [2] At installation, be sure to match the protrusion [1] of the Spring Retainer Holder with the cut-off parts [2] of the Fixing Frame.

  • Page 281: Removing The Fixing Pressure Roller

    Disassembly/Assembly > MF8000 series > Fixing System > Replacing the Fixing Film Unit 4-214 5) Remove the Upper Fixing Guide [1]. ■ Removing the Fixing Pressure Roller Pre-procedure 1) Remove the Right Cover. Refer to page Refer to page 4-146. 2) Remove the Left Cover.

  • Page 282: Removing The Fixing Motor

    Disassembly/Assembly > MF8000 series > Fixing System > Removing the Fixing Motor 4-215 ■ Removing the Fixing Motor 2) Remove the Motor Cover [1]. • 1 screw [2] Pre-procedure 1) Remove the Right Cover. Refer to page Refer to page 4-146. 2) Remove the Controller Cover.Refer to page 4-181 3) Remove the Wireless LAN PCB.(MF8080 only)Refer to page 4-181 4) Remove the Main Controller PCB.

  • Page 283: Pickup Feeder System

    Disassembly/Assembly > MF8000 series > Pickup Feeder System > Removing the Cassette Pickup Roller 4-216 Pickup Feeder System ■ Removing the Cassette Pickup Roller ■ Location Caution: Do not touch the surface of the roller. 1) Turn ON the power switch. 2) Execute the following items in Service mode.

  • Page 284: Removing The Cassette Separation Roller

    Disassembly/Assembly > MF8000 series > Pickup Feeder System > Removing the Cassette Separation Roller 4-217 6) Place a host machine [1] as the Left Cover faces to the bottom. ■ Removing the Cassette Separation Roller Caution: Caution: When laying down the main body, be sure to secure the ADF Unit with tape to prevent Do not touch the Cassette Separation Roller suface.
  • Page 285 Disassembly/Assembly > MF8000 series > Pickup Feeder System > Removing the Cassette Separation Roller 4-218 2) Make the Left Cover face down and place the host machine [1]. 4) Open the holder [1] in the direction of the arrow and remove the Cassette Separation Roller [2].

  • Page 286: Adjustment At Parts Replacement

    Adjustment ■ Adjustment at Parts Replacement Adjustment...
  • Page 287 Adjustment > Overview Overview Parts replacement 分類 参照先 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 288: 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) Enter the setting value of the Standard White Plate. Document Exposure / Feed System •...

  • Page 289: After Replacing The Reader Upper Cover Unit

    Adjustment > Adjustment at Parts Replacement > Document Exposure / Feed System > After Replacing the Reader Upper Cover Unit • COPIER> ADJUST> CCD> DFTAR-G (GREEN shading target value when using DF) ■ After Replacing the Reader Upper Cover Unit •...

  • Page 290: After Replacing Cis Units

    Adjustment > Adjustment at Parts Replacement > Document Exposure / Feed System > After replacing CIS units ■ After replacing CIS units position in FEEDER mode) • COPIER > ADJUST > ADJ-XY > ADJ-X-MG (Fine-adjustment of optical motor speed) 1) Execute the white level adjustment. If it fails, turn OFF/ON the power and execute the 5) Execute the original stop position and feed speed adjustment at stream reading.

  • Page 291: Controller System

    Adjustment > Adjustment at Parts Replacement > Controller System > After replacing main controller PCBs Controller System • Dates 2) COPIER > FUNCTION > CLEAR > R-CON (to clear default setting values for the ■ After replacing main controller PCBs reader/DF) 3.

  • Page 292: Laser Exposure System

    Adjustment > Adjustment at Parts Replacement > Laser Exposure System > After replacing Laser Scanner Unit Laser Exposure System ■ The Procedure to be Performed after Replacing the DC Controller PCB ■ After replacing Laser Scanner Unit 1) Execute the following in Service Mode 1) Register values indicated on the label packaged with the Laser Scanner Unit in the •...
  • Page 293 Adjustment > Adjustment at Parts Replacement > Laser Exposure System > After replacing Laser Scanner Unit 2) After values are registered, affix the label [1] packaged with the unit on the inside [2] of the right cover. • MF8300 series • MF8000 series F-5-4 F-5-5 Adjustment >...

  • Page 294: Trouble Shooting

    Trouble Shooting ■ Test Print ■ Trouble shooting items ■ Version Upgrade ■ Special Management Mode Trouble Shooting...

  • Page 295: Engine Test Print

    The engine test print is to check normal operation of the device. Print the engine test chart in the following steps. • MF8300 series 1)Detach the right cover.Refer to page 4-23 2)Turn on the device on standby to press the test print switch [1] on the right side of the device.

  • Page 296: Controller Test Print

    COUNT Enter the number of sheets to output. Settings: 1-99 PHASE Select [1-side] or [2-side]. [MF8300 series only] [2-side] selected for 1-side devices is invalid. Settings: 0=1-side, 1=2-side MODE Specify how to form the image to be output. Regardless of PG-TYPE settings (0 or 1), the image is processed in the fixed method.
  • Page 297 Trouble Shooting > Test Print > Controller test print > Selecting test chart TESTMODE>PRINT Item Description Default value THRU Select ON or OFF for gamma correction. Setting: 0: Normal gamma 1: Through (linear) gamma NRKE Flag to switch the color displacement correction processing 1 0: Adopt without processing 1: Adopt with processing BLND...

  • Page 298: Trouble Shooting Items

    5) Measure the glossy part on the printed sheet as shown in the figure below to confirm if the • MF8300 series width is in the tolerable ranges. Roller pitch Parts •...

  • Page 299: 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 300: Menu List

    Trouble Shooting > Special Management Mode > Menu List Menu List Item No. Item Name Description Setting Value 14159 Serial Number Fixation ● ● When establishing USB connection to more than one MFP with a PC, drivers for the number of connected MFPs 0-1 (0 by default) are installed.
  • Page 301 Turning this switch ON delays the occurrence of error (threshold value is changed). * For the item which has only 2 setting values “0, 1”, each value means as follow: 0= OFF, 1= ON. T-6-4 * M83=MF8300 series M80=MF8000 series Trouble Shooting > Special Management Mode > Menu List...

  • Page 302: Version Upgrade

    Trouble Shooting > Version Upgrade > Preparation > Preparation Version Upgrade Preparation ■ System Requirements Overview • OS (one of the following) To upgrade versions, use the user support tool (hereinafter UST) and download firmware • Microsoft Windows 2000 Server/Professional from a personal computer (hereinafter PC) to this product.

  • Page 303: Downloading System Software

    Trouble Shooting > Version Upgrade > Downloading System Software 6-10 4) Select [USB Device] and click [Next] button. Downloading System Software 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 304 Trouble Shooting > Version Upgrade > Downloading System Software 6-11 6) Click [Yes] button for the warning message to start download. F-6-13 7) Click [OK] button when download is completed. F-6-14 8) Turn off and on the power to restart the device. 9) Output the spec report from Service mode to confirm if the firmware version is the same as that on the note taken in Step 2).

  • Page 305: Error Codes

    Error codes ■ Overview ■ Error Codes ■ Jam Code Error codes...

  • Page 306: Outline

    Error codes > Overview > Outline > Position code Overview Outline ■ Outline 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. Code type Description Reference...

  • Page 307: Error Codes

    ITB motor • Replace ITB motors (Controller-related errors tend to recover by power-OFF/ON.) is actuated. • Replace DC controller PCBs • M83=MF8300 series Cause: problem in ITB motor / DC controller PCB • M80=MF8000 series 0001 ●...
  • Page 308 Error codes > Error Codes Code M83 M80 Symptom Actions Code M83 M80 Symptom Actions E021 Error in developing motor E078 Error in primary transfer roller contact 1003 ● Cause of developing motor rotation • Check connectors of developing 0000 ●...
  • Page 309 Error codes > Error Codes Code M83 M80 Symptom Actions Code M83 M80 Symptom Actions E196 Error in DCON ROM E744 Error in language file/BootRom/USB memory 0000 ● ● Failed to update ROM of DC controller • Update the set of main controller 0001 ●...
  • Page 310 Error codes > Error Codes Code M83 M80 Symptom Actions E805 Error in 2-sided cooling fan 0005 ● 2-sided cooling fan does not rotate in • Check connectors of 2-sided cooling the specified rotation speed. fan / DC controller PCB Cause: •...

  • Page 311: Jam Code

    Error codes > Jam Code > MF8380/8360/8340 Series Jam Code Type Sensor Name/Detection Contents Sensor ID Code 0001 Delay Document End Sensor Delay PS703 MF8380/8360/8340 Series 0002 Stationary Document End Sensor PS703 0004 Delay Document End Sensor Delay (2nd side) PS703 PS703 0005...

  • Page 312: Mf8080/8040/8010 Series

    Error codes > Jam Code > MF8080/8040/8010 Series MF8080/8040/8010 Series Type Sensor Name/Detection Contents Sensor ID Code PS703 0001 Delay Document End Sensor Delay PS703 0002 Stationary Document End Sensor PS703 0004 Delay Document End Sensor Delay (2nd side) PS703 0005 Stationary Document End Sensor (2nd side)

  • Page 313: Service Mode

    Service Mode ■ Overview ■ COPIER (MF8350/8330/8050/8030) ■ FEEDER (MF8350/8330/8050/8030) ■ FAX (MF8350/8330/8050/8030) ■ TESTMODE (MF8350/8330/8050/8030) ■ COPIER ■ FEEDER ■ FAX ■ TESTMODE Service Mode...

  • Page 314: 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 315: 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 ■ Service mode structure • Initial / Category / Sub category screen Select the item : Up-arrow / down- SERVICE MODE arrow key...

  • Page 316: Copier

    Service Mode > COPIER > DISPLAY > JAM COPIER COPIER > DISPLAY > VERSION ECO version Details To display the version of ECO. DISPLAY Use case When upgrading the firmware Adj/set/operate method N/A (Display only) Display/adj/set range 00.00 to 99.99 ■...

  • Page 317: Ccd

    Service Mode > COPIER > I/O > R-CON ■ CCD COPIER > DISPLAY > CCD ■ R-CON TARGET-B Shading target value (B) Details To display the shading target value of Blue. COPIER>IO>R-CON Continuous display of 128 (minimum) or 384 (maximum) is Address Description Remarks...

  • Page 318: Adjust

    Service Mode > COPIER > ADJUST > ADJ-XY ADJUST COPIER > ADJUST > ADJ-XY ADJ-Y-DF Adj img pstn in ADF mode:horz scan ■ ADJ-XY Details To adjust the image reading start position in the horizontal scanning direction at ADF reading. COPIER >...

  • Page 319: Ccd

    Service Mode > COPIER > ADJUST > CCD ■ CCD COPIER > ADJUST > CCD W-PLT-Z White level data(Z) entry of white plate COPIER > ADJUST > CCD Details To enter the white level data (Z) for the Standard White Plate. W-PLT-X White level data(X) entry of white plate When replacing the ADF/Reader Unit, enter the value of service...
  • Page 320 Service Mode > COPIER > ADJUST > CCD COPIER > ADJUST > CCD COPIER > ADJUST > CCD DFTAR-B Adjustment of shading target value (B) at ADF reading 50-GB Color displacement (G and B lines) correction value in the vertical scanning direction (50%) Details To adjust the shading target value of Blue at ADF reading.
  • Page 321 Service Mode > COPIER > ADJUST > CCD COPIER > ADJUST > CCD COPIER > ADJUST > CCD 100-GB Color displacement (G and B lines) correction value in the vertical 50DF-GB Color displacement (G and B lines) correction value in the vertical scanning direction (100%) scanning direction at ADF reading (50%) Details...
  • Page 322 Service Mode > COPIER > ADJUST > CCD 8-10 COPIER > ADJUST > CCD COPIER > ADJUST > CCD 100DF-GB Color displacement (G and B lines) correction value in the vertical OFST-CL1 Adjustment of CIS (Center) at color reading scanning direction at ADF reading (100%) Details To adjust the offset of the CIS (Center) when reading color original.

  • Page 323: Pascal

    Service Mode > COPIER > ADJUST > PASCAL 8-11 COPIER > ADJUST > CCD COPIER > ADJUST > PASCAL LED-BW-B Adjustment of LED light-up time (B) at B&W reading OFST-P-M M density adj at test print reading Details To adjust the blue color LED light-up time when reading B&W Details To adjust the offset of M color test print reading signal at Auto Adjust original.

  • Page 324: Vifadj

    Service Mode > COPIER > ADJUST > VIFADJ 8-12 ■ VIFADJ COPIER > ADJUST > VIFADJ TR1-HV-M Adjustment of primary transfer bias setting value (M) COPIER > ADJUST > VIFADJ Details To adjust the setting value of M-color primary transfer bias. DEV-HV-Y Adjustment of developing bias setting value (Y) Use case...

  • Page 325: Scnr

    Service Mode > COPIER > ADJUST > SCNR 8-13 COPIER > ADJUST > VIFADJ COPIER > ADJUST > SCNR ICL-HV Adjustment of bias setting value for ITB cleaning SUB-S-C0 Adjustment of emitting position 1 (C) in the vertical scanning direction Details To adjust the bias setting value to be used for ITB cleaning.
  • Page 326 Service Mode > COPIER > ADJUST > SCNR 8-14 COPIER > ADJUST > SCNR COPIER > ADJUST > SCNR SUB-S-C1 Adjustment of emitting position 2 (C) in the vertical scanning direction SUB-S-C2 Adjustment of emitting position 3 (C) in the vertical scanning direction Details To adjust the C-color emitting position 2 in the vertical scanning Details...
  • Page 327 Service Mode > COPIER > ADJUST > SCNR 8-15 COPIER > ADJUST > SCNR COPIER > ADJUST > SCNR MAI-S-K0 Adjustment of scan time 1 (Bk) in the horizontal scanning direction MAI-S-Y2 Adjustment of scan time 3 (Y) in the horizontal scanning direction Details To adjust the Bk-color scan time 1 in the horizontal scanning Details...

  • Page 328: Function

    Service Mode > COPIER > FUNCTION > CCD 8-16 FUNCTION COPIER > FUNCTION > CCD DF-WLVL4 White level adj in ADF mode (B&W) ■ CCD Details To adjust the white level for ADF scanning automatically by setting the paper which is usually used by the user on the DADF. COPIER >...

  • Page 329: Clear

    Service Mode > COPIER > FUNCTION > MISC-R 8-17 ■ CLEAR COPIER > FUNCTION > MISC-R SCAN-ON Execution of copyboard reading COPIER > FUNCTION > CLEAR Details To execute reading of the original on the Copyboard Glass. R-CON Initialization of Reader/ADF Adj/set/operate method 1) Set paper on the Copyboard Glass.

  • Page 330: System

    Service Mode > COPIER > FUNCTION > SYSTEM 8-18 ■ SYSTEM COPIER > FUNCTION > SYSTEM EXPORT Writing service mode setting value to USB memory COPIER > FUNCTION > SYSTEM Details To write the service mode setting values (excluding those related to DOWNLOAD Download from USB memory (except PANEL) Reader/ADF) to the USB memory.

  • Page 331: Viffnc

    Service Mode > COPIER > FUNCTION > VIFFNC 8-19 ■ VIFFNC COPIER > FUNCTION > VIFFNC ICL-IMP Execution of ITB cleaning failure prevention 1 COPIER > FUNCTION > VIFFNC Details E352 SMEAR-PV Execution of image smear prevention mode To alleviate cleaning failure by increasing the current (bias) applied Details To execute the image smear prevention mode.

  • Page 332: Splman

    Service Mode > COPIER > FUNCTION > SPLMAN 8-20 ■ SPLMAN COPIER > FUNCTION > SPLMAN SPL23846 Setting of moist paper COPIER > FUNCTION > SPLMAN Details To increase the secondary transfer bias. SPL14159 Fixing of USB device ID Use case When color text or pattern using 2 or more colors of toner becomes Details To fix the USB device ID to “000000000000”.
  • Page 333 Service Mode > COPIER > FUNCTION > SPLMAN 8-21 COPIER > FUNCTION > SPLMAN COPIER > FUNCTION > SPLMAN SPL50288 Execution of ITB cleaning failure prevention 2 SPL35607 Execution of down sequence prevention mode Details E352 Details To lower the control temperature of the Fixing Assembly without To alleviate cleaning failure by increasing the current (bias) applied exception.

  • Page 334: Install

    Service Mode > COPIER > FUNCTION > INSTALL 8-22 COPIER > FUNCTION > SPLMAN COPIER > FUNCTION > SPLMAN SPL68676 Decrease of paper leading edge margin SPL78788 Setting of department ID count clear Details To decrease the margin on the leading edge of paper. Details To set whether to disable clearing of department ID count.

  • Page 335: Body

    Service Mode > COPIER > OPTION > BODY 8-23 OPTION COPIER > OPTION > BODY LOCALE Setting of location ■ BODY Details To set the location. At installation in areas other than Japan, perform the following COPIER > OPTION > BODY procedure to match the setting information with that of the location.

  • Page 336: Acc

    Service Mode > COPIER > OPTION > ACC 8-24 COPIER > OPTION > BODY COPIER > OPTION > BODY NS-CMD5 Setting of CRAM-MD5 authentication method at SMTP authentication NS-LGN Setting of LOGIN authentication at SMTP authentication Details To restrict use of CRAM-MD5 authentication method at the time of Details To restrict use of LOGIN authentication at the time of SMTP SMTP authentication.

  • Page 337: Serial

    Service Mode > COPIER > COUTER > TOTAL 8-25 COUTER ■ SERIAL COPIER > OPTION > SERIAL ■ TOTAL SN-MAIN Entry of serial number Details To write the serial number of this machine in the Main Controller COPIER > COUNTER > TOTAL PCB.

  • Page 338: Pick

    Service Mode > COPIER > COUTER > FEEDER 8-26 ■ PICK-UP COPIER > COUNTER > TOTAL FAX-PRT FAX reception print counter COPIER > COUNTER > PICK-UP Details To count up when the FAX reception print is delivered outside the Cassette 1 pickup total counter machine/2-sided printout is stacked.
  • Page 339 Service Mode > COPIER > COUTER > DRBL-2 8-27 ■ JAM ■ DRBL-2 COPIER > COUNTER > JAM COPIER > COUNTER > DRBL-2 TOTAL Printer total jam counter DF-SP-PD Separation Pad parts counter: ADF Details To count up the number of total jam occurrences. Details To count up the number of sheets to be fed regardless of 1-sided/2- sided mode.

  • Page 340: Feeder

    Service Mode > FEEDER > ADJUST 8-28 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 341: Function

    Service Mode > FEEDER > FUNCTION 8-29 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 342: Fax

    Service Mode > FAX > List of SSSW 8-30 FAX > SSSW SSSW No. Bit No. Function SW 06 (Setting of reading criteria) List of SSSW Bit 0 Bit 1 Bit 2 FAX > SSSW Bit 3 SSSW No. Bit No. Function Bit 4 Reading Widthe 0:A4 1:LTR...

  • Page 343: List Of Menu

    Service Mode > FAX > List of NUM 8-31 List of MENU FAX > SSSW SSSW No. Bit No. Function SW 18 Menu switch registration mode Bit 0 Detect carrier disconnection between DCS and TCF Parameter Selection Bit 1 Waiting time for carrier disconnection between DCS and TCF 01 - 04 Not in use Bit 2 Prohibit communication control for IP network...

  • Page 344: Setting Of Ncu Parameters

    Service Mode > FAX > Setting of NCU Parameters > TONE/PULSE 8-32 Setting of NCU Parameters Numeric parameter setting mode Parameter Allowable setting range ■ TONE/PULSE Lead time to the first response when switching between 0 to 9 FAX and TEL Duration to activate pseudo-RBT cadence 0 to 999 Operation Method...

  • Page 345: Dial Tone

    Service Mode > FAX > Setting of NCU Parameters > 2nd DIAL TONE 8-33 ■ DIAL TONE ■ 2nd DIAL TONE ● Bit Switch ● Bit Switch Bit No. Function Bit No. Function Bit 0 Bit 0 Bit 1 Bit 1 Bit 2 Signal frequency Changed...

  • Page 346: Busy Tone

    Service Mode > FAX > Setting of NCU Parameters > BUSY TONE 1 8-34 ■ BUSY TONE 0 ■ BUSY TONE 1 ● Bit Switch ● Bit Switch Bit No. Function Bit No. Function Bit 0 Bit 0 Bit 1 Bit 1 Bit 2 Bit 2...

  • Page 347: Reorder Tone

    Service Mode > FAX > Setting of NCU Parameters > RKEY 8-35 ■ REORDER TONE ■ CNG DETECT ● Bit Switch ● Numeric value parameter Bit No. Function Parameter No. Description Setting range Bit 0 At F/T switching CNG mIN ON time 0 to 9999 (x 10 msec) Bit 1 CNG mAX ON time...

  • Page 348: Pbx Dial Tone

    Service Mode > FAX > Setting of NCU Parameters > PBX BUSY TONE 8-36 ■ PBX DIAL TONE 1 ■ PBX BUSY TONE ● Bit Switch ● Bit Switch Bit No. Function Bit No. Function Bit 0 Bit 0 Bit 1 Bit 1 Bit 2 Signal frequency...

  • Page 349: Testmode

    Service Mode > TESTMODE > PRINT 8-37 TESTMODE TESTMODE > PRINT THRU Setting of image correction table at test print Details It is possible to check the density characteristics due to the density PRINT correction process when normal gamma LUT is used, and the density characteristics of the engine when the linear gamma LUT is used.

  • Page 350: Fax

    Service Mode > TESTMODE > FAX > MODEM 8-38 TESTMODE > PRINT TESTMODE > FAX > MODEM START Output of test print FREQ Frequency test Details To output a test print with the PG pattern set in PG-TYPE, MODE, Details To test whether the specified frequency is oscillated.

  • Page 351: Faculty

    Service Mode > TESTMODE > FAX > FACULTY 8-39 TESTMODE > FAX > MODEM TESTMODE > PRINT V34G3TX V.34 G3 signal transmission test DETECT2 Calling tone detection test 1 Details To test whether the specified V.34 G3 signal is transmitted. Details To check calling tone signal and FED.

  • Page 352: Appendex

    Appendex ■ Special Tools ■ Solvents and Oils ■ General Circuit Diagram ■ General Timing Chart...

  • Page 353: Service Tools

    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 354: Mf8350 / Mf8330 (1/2)

    General Circuit Diagram MF8350 / MF8330 (1/2) ■Laser Scanner Unit■ VSS1 Laser Scanner Motor VSS2 J1002 RDSDR REGS High Voltage Power Spply PCB J501 VSS3 RDSSR SGND J2007 Registration Detection RDSGAIN0 Laser Driver PCB +3LED Sensor PCB29 VSS4 RDSGAIN1 J1001 J3011 RDSLED Patch Sensor...
  • Page 355 MF8350 / MF8330 (2/2) UN14 UN15 Control Panel PCB DC Controller PCB 2/2 FT41 USB Host PCB J952 J130 J107_BUS[0:23] ■CIS unit■ J409 Speaker MT42 Reader unit J6_BUS[0:23] 12 11 10 9 J908 J922 J913 J909 J911 J912 J901 USB Device UN13 Main Controller PCB 2/2 J918...

  • Page 356: Mf8050 / Mf8030 (2/2)

    MF8050 / MF8030 (1/2) ■Laser Scanner Unit■ ■ITB Unit■ ■Feed Unit■ ■MPT Unit■ SR603 SR602 SR601 SL705 M702 SR605 SR604 M704 UN22 UN21 Pickup Motor Fixing Loop Sensor Registration Cassette Paper Cassette MP Tray Pre-Registration MP Tray Paper Laser Scanner Motor Laser Driver PCB Patch Registration Sensor Patch Sensor...
  • Page 357 MF8050 / MF8030 (2/2) UN11 USB Host PCB ■CIS Unit■ J409 9 10 J901 J917 J907 J906 J909 J911 J921B J920 J919 J908 Main Controller PCB J918 J921 J904 10 9 J903 MT21 MT31 Control Panel Unit J1402D J1401D FT41 J1402DH J1401DH J1402L...

  • Page 358: Mf8380 / Mf8360 / Mf8340 (1/2)

    MF8380 / MF8360 / MF8340 (1/2) ■Laser Scanner Unit■ VSS1 Laser Scanner Motor VSS2 J1002 RDSDR High Voltage Power Spply PCB REGS J501 VSS3 RDSSR SGND Registration Detection J2007 RDSGAIN0 Laser Driver PCB +3LED Sensor PCB29 VSS4 RDSGAIN1 FFC2 J1001 J3011 RDSLED Patch Sensor...

  • Page 359: Mf8380 / Mf8360 / Mf8340 (2/2)

    VIII MF8380 / MF8360 / MF8340 (2/2) UN14 UN15 Wireless LAN PCB Control Panel PCB FT41 DC Controller PCB 2/2 USB Host PCB J952 J130 J1005_BUS[0:17] J107_BUS[0:23] ■CIS unit■ J409 Speaker MT42 Reader unit J910_BUS[0:17] J6_BUS[0:23] 12 11 10 9 J908 J922 J913...

  • Page 360: Mf8080 / Mf8040 / Mf8010 (1/2)

    MF8080 / MF8040 / MF8010 (1/2) ■Laser Scanner Unit■ ■ITB Unit■ ■Feed Unit■ ■MPT Unit■ SR603 SR602 SR601 SL705 M702 SR605 SR604 M704 UN22 UN21 Fixing Loop Sensor Registration Cassette Paper Cassette Pickup Motor MP Tray Pre-Registration MP Tray Paper Laser Scanner Motor Laser Driver PCB Patch Registration Sensor...

  • Page 361: Mf8080 / Mf8040 / Mf8010 (2/2)

    MF8080 / MF8040 / MF8010 (2/2) UN11 USB Host PCB Wireless LAN PCB ■CIS Unit■ J409 9 10 J910 J901 J917 J907 J906 J909 J911 J921B J920 J919 J908 Main Controller PCB J918 J921 J904 10 9 J903 MT21 MT31 Control Panel Unit J1402D J1401D...

  • Page 362: General Timing Chart

    General Timing Chart MF8300 Series Full-color print on A4 plain paper (3 pages) (Unit: second) Print command (second) Operatio n STBY INTR PRNT LSTR STBY Fixing temperature control 1. 0 Drum motor (M1) 1. 2 Developing motor (M2) 0. 7 Pickup motor (M3) 0.
  • Page 363 MF8000 Series Full-color print on A4 plain paper (3 pages) (Unit: second) 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) Development contact solenoid (SL706) Paper leading edge sensor (SR602)

This manual is also suitable for:

Mf8000 series

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