Download Print this page
Canon imageCLASS MF7460 Service Manual
Canon imageCLASS MF7460 Service Manual

Canon imageCLASS MF7460 Service Manual

Hide thumbs Also See for imageCLASS MF7460:

Advertisement

Quick Links

SERVICE
MANUAL
COPYRIGHT ©2007 CANON INC.
imageCLASS
MF7460/7470/7480
NOVEMBER 2007
REV. 0
CANON imageCLASS MF7460 Series REV. 0 PRINTED IN U.S.A.

Advertisement

loading
Need help?

Need help?

Do you have a question about the imageCLASS MF7460 and is the answer not in the manual?

Questions and answers

Summary of Contents for Canon imageCLASS MF7460

  • Page 1 MF7460/7470/7480 SERVICE MANUAL NOVEMBER 2007 REV. 0 COPYRIGHT ©2007 CANON INC. CANON imageCLASS MF7460 Series REV. 0 PRINTED IN U.S.A.
  • Page 2 Canon will release technical information as the need arises. In the event of major changes in the contents of this manual over a long or short period, Canon will issue a new edition of this manual.
  • Page 3: Symbols Used

    Introduction Symbols Used This documentation uses the following symbols to indicate special information: Symbol Description Indicates an item of a non-specific nature, possibly classified as Note, Caution, or Warning. Indicates an item requiring care to avoid electric shocks. Indicates an item requiring care to avoid combustion (fire). Indicates an item prohibiting disassembly to avoid electric shocks or problems.
  • Page 4 Introduction The following rules apply throughout this Service Manual: 1. Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with refer- ence to the timing of operation. In the diagrams, represents the path of mechanical drive; where a signal name accompanies the symbol , the arrow indicates the direction of the electric signal.
  • Page 5: Table Of Contents

    Contents Contents Chapter 1 Introduction 1.1 System Construction ............................1- 1 1.1.1 Pickup/Delivery/Original Handling Accessories System Configuration........... 1- 1 1.1.2 Printing/Transmitting Accessories System Configuration (MF7480) ..........1- 2 1.1.3 Printing/Transmitting Accessories System Configuration (MF7470) ..........1- 3 1.2 Product Specifications ........................... 1- 4 1.2.1 Names of Parts ............................
  • Page 6 Contents 2.2 Unpacking and Installation ..........................2- 4 2.2.1 Unpacking and Removing the Packaging Materials ................2- 4 2.2.2 Installing the Toner Cartridge ........................ 2- 4 2.2.3 Setting the Cassettes ..........................2- 6 2.2.4 Attaching the Ferrite Core ........................2- 7 2.2.5 Checking the Image Quality ........................
  • Page 7 Contents 4.1.4 Reader Controller PCB ...........................4- 4 4.2 Basic Sequence...............................4- 5 4.2.1 Basic Sequence at Power-on .........................4- 5 4.2.2 Basic Sequence after Depression of Start Key (Book mode, One Sheet of original)....4- 5 4.2.3 Basic Sequence after Depression of Start Key (ADF Mode, One Sheet of Original)....4- 6 4.3 Various Control ..............................4- 7 4.3.1 Controlling the Scanner Drive System....................4- 7 4.3.1.1 Outline ..............................4- 7...
  • Page 8 Contents 4.4.8.2 Removing the Reader Heater (Left)..................... 4- 21 Chapter 5 Laser Exposure 5.1 Overview/Configuration ..........................5- 1 5.1.1 Overview ..............................5- 1 5.1.2 Specifications and Control Mechanism ....................5- 1 5.1.3 Main Components............................ 5- 2 5.1.4 Control System Configuration........................ 5- 3 5.2 Controlling the Laser Activation Timing.......................
  • Page 9 Contents 7.1.4 Paper Path Drawing (Printer on its own) ....................7- 3 7.1.5 Paper Path Drawing (Finisher) .......................7- 3 7.1.6 Paper Path Drawing (Duplex Unit/Finisher) ..................7- 4 7.1.7 Paper Path Drawing (Duplex Unit) ......................7- 4 7.1.8 Paper Path Drawing (Duplex/Inner 2Way Tray) ..................7- 5 7.1.9 Paper Path Drawing(Inner 2Way Tray)....................7- 5 7.1.10 Sensor Layout Drawing .........................7- 6 7.2 Detection Jams ..............................7- 7...
  • Page 10 Contents 7.5.12.1 Removing the Separation Pad....................7- 16 7.5.13 Pickup Roller ............................7- 17 7.5.13.1 Removing the Cassette Paper Pickup Roller ................7- 17 Chapter 8 Fixing System 8.1 Overview/Configuration ..........................8- 1 8.1.1 Specifications, Control Mechanisms and Functions ................8- 1 8.1.2 Major Components ..........................
  • Page 11 Contents 9.4.2.1 Removing the Lower-left Cover.......................9- 4 9.4.3 Upper Right Cover ............................9- 4 9.4.3.1 Removing the Right Cover (Upper) ....................9- 4 9.4.4 Lower Right Cover ............................9- 4 9.4.4.1 Removing the Right Cover (Lower) ....................9- 4 9.4.5 Left Rear Cover ............................9- 4 9.4.5.1 Removing the Rear Left Cover......................9- 4 9.4.6 Reader Front Cover ..........................9- 4 9.4.6.1 Removing the Reader Front Cover....................9- 4...
  • Page 12 Contents 10.1.6 Initialization of e-RDS.......................... 10- 1 10.1.7 SOAP Communication Function......................10- 2 10.1.8 Retransmission at the time of SOAP Transmission Error ............. 10- 3 10.1.9 e-RDS Setting Screen......................... 10- 3 10.1.10 Report Output of Communication Error Log.................. 10- 4 10.1.11 Sleep Operation ..........................
  • Page 13 Contents 13.2.1.1 List of Clutches/Solenoids ......................13- 2 13.2.2 Motor ...............................13- 3 13.2.2.1 List of Motors..........................13- 3 13.2.3 Fan ................................13- 4 13.2.3.1 List of Fans .............................13- 4 13.2.4 Sensor..............................13- 4 13.2.4.1 List of Sensors ..........................13- 4 13.2.5 Switch ..............................13- 6 13.2.5.1 List of Switches ..........................13- 6 13.2.6 Lamps, Heaters, and Others .......................13- 7 13.2.6.1 List of Lamps, Heaters, and Others....................13- 7 13.2.7 PCBs ...............................13- 8...
  • Page 14 Contents 15.3.3 SSSW-SW03............................15- 10 15.3.3.1 List of Functions .......................... 15- 10 15.3.3.2 Detailed Discussions of Bit 7 ....................15- 10 15.3.4 SSSW-SW04............................15- 10 15.3.4.1 List of Functions .......................... 15- 10 15.3.4.2 Detailed Discussions of Bit 2 ....................15- 10 15.3.4.3 Detailed Discussions of Bit 3 ....................
  • Page 15 Contents 15.4 Menu Switch Settings (MENU)........................15- 17 15.4.1 Menu Switch Composition ........................15- 17 15.4.2 <No.005 NL equalizer>........................15- 17 15.4.3 <No.006 telephone line monitor>.....................15- 17 15.4.4 <No.007 ATT transmission level>....................15- 17 15.4.5 <No.008 V.34 modulation speed upper limit>................15- 17 15.4.6 <No.009 V.34 data speed upper limit> ...................15- 17 15.4.7 <No.010 Frequency of the pseudo CI signal>...
  • Page 16 Contents 15.6.18 <194: ADF special standard-sized paper: LTR misidentification-ready>........ 15- 26 15.6.19 <195: ADF special standard-sized paper: LTR_R misidentification-ready> ......15- 26 15.6.20 <196: Shading Target Value (Red)>..................... 15- 26 15.6.21 <197: Shading Target Value (Green)>..................15- 26 15.6.22 <198: Shading Target Value (Blue)> .................... 15- 26 15.6.23 <213: XYZ correction value (X) of standard white plate>...
  • Page 17 Contents 15.9.1 Bit Switch Settings..........................15- 34 15.10 Registration of Accessories (ACC) .......................15- 34 15.10.1 Accessory Registration........................15- 34 15.11 License Management (LMS) .........................15- 35 15.11.1 Outline ..............................15- 35 15.11.2 Method of confirming license option....................15- 35 15.11.3 Inactivity of the transmitted license....................15- 36 15.12 eRDS Parameter Settings (E-RDS) .....................15- 37 15.12.1 Settings Related to e-RDS......................15- 37 15.13 Counter Indication (COUNTER)......................15- 37...
  • Page 18 Contents 16.1 Outline ................................16- 1 16.1.1 Overview of Upgrade .......................... 16- 1 16.1.2 Overview of Service Support Tool ....................16- 1 16.2 Making Preparations ..........................16- 2 16.2.1 Registering the System Software...................... 16- 2 16.2.2 Connection............................16- 4 16.3 Downloading System Software......................... 16- 4 16.3.1 Downloading the System Software ....................
  • Page 19 Chapter 1 Introduction...
  • Page 20 Contents Contents 1.1 System Construction..............................1-1 1.1.1 Pickup/Delivery/Original Handling Accessories System Configuration ..................1-1 1.1.2 Printing/Transmitting Accessories System Configuration (MF7480) ..................1-2 1.1.3 Printing/Transmitting Accessories System Configuration (MF7470) ..................1-3 1.2 Product Specifications ..............................1-4 1.2.1 Names of Parts ..................................... 1-4 1.2.1.1 External View (MF7460/7470/7480)................................1-4 1.2.2 Using the Machine ..................................
  • Page 21: System Construction

    Chapter 1 1.1 System Construction 1.1.1 Pickup/Delivery/Original Handling Accessories System Configuration 0018-1104 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The configuration is as shown in the following figure: F-1-1 DADF-P2 Duplex Unit-B1 Power Supply Kit-Q1 Cassette Feeding Module-Q1 *1 Standard equipment device...
  • Page 22: Printing/Transmitting Accessories System Configuration (Mf7480)

    Chapter 1 1.1.2 Printing/Transmitting Accessories System Configuration (MF7480) 0018-1134 imageCLASS MF7480 The configuration is as shown in the following figure: F-1-2 Netwark/PCL Extension kit Send Extension kit * The above kits are standard equipments.
  • Page 23: Printing/Transmitting Accessories System Configuration (Mf7470)

    Chapter 1 1.1.3 Printing/Transmitting Accessories System Configuration (MF7470) 0018-2218 imageCLASS MF7470 The configuration is as shown in the following figure: F-1-3 Netwark/PCL Extension kit * The above kit is the standard equipment.
  • Page 24: Product Specifications

    Chapter 1 1.2 Product Specifications 1.2.1 Names of Parts 1.2.1.1 External View (MF7460/7470/7480) 0018-1152 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 [13] [14] [12] [11] [15] [10] [17] [16] F-1-4 DADF [10] Left door Reader front cover [11] Left cover (rear)
  • Page 25: Using The Machine

    1.2.2.1 Turning On the Power Switch 0018-1155 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The machine possesses 2 power switches: main power switch and control power switch. Normally (i.e., unless the machine is in a sleep state), the machine will be supplied with power when you turn on its main power switch.
  • Page 26: When Turning Off The Main Power Switch

    1.2.2.2 When Turning Off the Main Power Switch 0018-1157 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 <During printing or fax data transmission/reception> Be sure to operate the main power switch while the Processing/Data lamp on the control panel is not lit.
  • Page 27: User Mode Items

    (Turning off the main power switch during downloading can make this machine inoperative.) F-1-7 1.2.3 User Mode Items 1.2.3.1 Common Settings 0018-1159 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-1-1 Item Settings Initial Function Select Initial Function: Copy*1, Send, Scan...
  • Page 28: Timer Settings

    Initialize: Yes, No *1 Indicates the default setting. *2 Indicates items that appear only when the appropriate optional equipment is attached. 1.2.3.2 Timer Settings 0018-1160 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-1-2 Item Settings Date & Time Settings...
  • Page 29: System Settings

    One-touch Buttons: Yes, No Address Book: Yes, No User’s Data List: Yes, No *1 Indicates the default setting. 1.2.3.5 System Settings 0018-1163 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-1-5 Item Settings System Manager Settings System Manager 32 characters maximum...
  • Page 30: Copy Settings

    UFRII LT*1, PCL5e, PCL6, FAX *1 Indicates the default setting. *2 Indicates items that appear only when the appropriate optional equipment is attached. 1.2.3.6 Copy Settings 0018-1164 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-1-6 Item Settings Image Orientation Priority...
  • Page 31: Printer Settings

    On*1, Off *1 Indicates the default setting. *2 Indicates items that appear only when the appropriate optional equipment is attached. 1.2.3.8 Printer Settings 0018-1167 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-1-8 Item Settings DEFAULT PAPERSIZE LTR*, STMT, EXECUTIV, ISO-B5, ISO-C5, COM10,...
  • Page 32: Address Book Settings

    *2 Offset and staple items appear only when the optional Finisher-U2 is attached. *3 This setting is available only if the BarDIMM function is activated. 1.2.3.9 Address Book Settings 0018-1168 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-1-9 Item Settings...
  • Page 33: Maintenance By The User

    Chapter 1 1.2.4 Maintenance by the User 1.2.4.1 User Maintenance Items 0018-0086 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Item Maintenance cycle Remarks Pressure plate cleaning As required Copyboard glass(large) cleaning As required Copyboard glass(small) cleaning When the message appears...
  • Page 34 Chapter 1 1) Press the Additional functions key to enter the user mode. 2) Select "Adjustment/Cleaning" on the touch panel. 3) Select "Fixing Unit Cleaning" and then press [Cleaning Sheet Print]. The cleaning pattern will be printed. 4) Open the manual feed tray. F-1-10 5) Place the cleaning pattern printed in step 3 in the manual feed tray with "V"...
  • Page 35: Safety

    1.2.5.1 Safety of the Laser Light 0018-1171 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Laser light can prove to be hazardous to the human body. The machine's laser unit is fully enclosed in a protective housing and external covers so that its light will not escape outside as long as the machine is used normally.
  • Page 36: Safety Of Toner

    F-1-13 1.2.5.4 Safety of Toner 0018-1174 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The machine's toner is a non-toxic material made of plastic, iron, and small amounts of dye. Do not throw toner into fire. It may cause explosion.
  • Page 37: Product Specifications

    Chapter 1 1.2.6 Product Specifications 1.2.6.1 Product Specifications imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 0018-1149 Copyboard stream reading, fixed reading Body desktop Light source type LED array (CIS) Photosensitive medium OPC drum (30-mm dia.) Image reading method CCD (CIS)
  • Page 38: Function List

    1.2.7 Function List 1.2.7.1 Printing Speed (MF7460/MF7470/MF7480) imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Paper size Single-sided Double-sided Casette feed Manual feed Casette feed Manual feed Plain paper 23.5 23.5 25.5 25.5 22.5 22.5 STMT 10.5 10.5 STMTR 27.5 27.5...
  • Page 39 Envelope Monarch COM10 ISO-B5 ISO-C5 Postcard Postcard 11.5 Double postal card 10.5 4-plane post card 23.5 *1. Bond SP. FIX. Mode in the user mode: OFF *2. Bond SP. FIX. Mode in the user mode: ON Supplement: - The above copy speed does not change irrespective of whether paper is supplied from the upper/lower cassette, the manual feed tray, or from the cassette feeding module.
  • Page 40: Installation

    Chapter 2 Installation...
  • Page 41 Contents Contents 2.1 Making Pre-Checks ............................... 2-1 2.1.1 Selecting the Site of Installation..............................2-1 2.1.2 Before Starting the Work ................................2-1 2.2 Unpacking and Installation ............................2-4 2.2.1 Unpacking and Removing the Packaging Materials ........................2-4 2.2.2 Installing the Toner Cartridge ..............................2-4 2.2.3 Setting the Cassettes..................................
  • Page 42: Making Pre-Checks

    2.1.1 Selecting the Site of Installation 0017-2577 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Select the site of installation against the following requirements; if possible, visit the user's before delivery of the machine: 1) There must be a power outlet properly grounded and rated as indicated (-/+10%) for exclusive use by the machine.
  • Page 43 Chapter 2 fully used to the site temperature, thus avoiding image faults caused by condensation. (The term "condensation" refers to the formation of droplets of water on the surface of a metal object brought in from a cold to warm place, i.e., as the result of the rapid cooling of the moisture (vapor) around the object.) 2) The machine weighs a maximum of about 58 kg.
  • Page 44 Chapter 2 1-3 Names of Parts [13] [14] [12] [11] [15] [10] [17] [16] F-2-4 DADF [10] Left door Reader front cover [11] Left cover (rear) Control panel [12] Reader left cover Delivery tray [13] Reader right cover Front cover [14] Reader rear cover Cassette 1...
  • Page 45: Unpacking And Installation

    2.2.1 Unpacking and Removing the Packaging Materials 0017-2581 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Unpack the machine and remove vinyl, cushioning materials, and tape. 2) Hold the handles [1] of the machine together with one or more persons and take it out.
  • Page 46 Chapter 2 6) Remove the long shipping tape. 10) Rotate the lever to the unlocked position. F-2-11 7) Remove the protective cover. F-2-15 11) While grasping the handle of the cartridge holder, pull the cartridge hold- er out of the machine until it stops. F-2-12 8) Push the release button on the left cover of the main unit to open the left cover.
  • Page 47: Setting The Cassettes

    16) Gently close the left cover until it clicks. 2.2.3 Setting the Cassettes 0017-2583 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Holding the knob [1] at the center of the cassette, draw out the cassette [2] until it stops.
  • Page 48: Attaching The Ferrite Core

    2.2.4 Attaching the Ferrite Core 0017-5259 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The installation of the ferrite core does only for the model equipped with the printer function. 1) Attach the ferrite core [2] to the user's USB cable, and then connect the USB cable to the USB port of the host machine.
  • Page 49: Setting The Date And Time

    [4] on the side guide (front) meets the indicator on the size label, and then affix the label securely. 2.2.6 Setting the Date and Time 0017-2586 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Press keys to display the user mode screen. 2) Select "TIMER SETTINGS" and then press the OK.
  • Page 50: Checking The Connection To The Network

    2.3.1 Checking the Network Connection 0017-2588 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 If the machine supports a network feature, check the network connection following the procedure below. 1) Press the following keys to display the service mode screen: >...
  • Page 51: Flow Of Accessory Installation

    2.5.1 Flow of Accessary Installation 0017-2592 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 If you are going to install any accessory after installing the host machine, follow the following flow of work so that the work will become effective.
  • Page 52 Chapter 3 Main Controller...
  • Page 53 Contents Contents 3.1 Overview/Configuration ..............................3-1 3.1.1 Construction and Mechanisms ..............................3-1 3.2 Outline of the Electrical Circuitry ..........................3-1 3.2.1 Image Processor PCB................................... 3-1 3.3 Image Processing ................................3-2 3.3.1 Overview of the Image Flow................................ 3-2 3.3.2 Construction of the Image Processing Module ..........................3-3 3.3.3 Reader Unit Input Image Processing............................
  • Page 54: Overview/Configuration

    Chapter 3 3.1 Overview/Configuration 3.1.1 Construction and Mechanisms 0018-1560 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-3-1 Item Description Image Processor PCB Controls system operation, memory, printer unit output, image processing, printer unit image input processing, card printer unit interface, fax image processing, etc.
  • Page 55: Image Processing

    Control panel connection slot J319 Extend ROM PCB connection slot J320 Not used DDR DIMM PCB connection slot (main) DDR DIMM PCB connection slot (sub) 3.3 Image Processing 3.3.1 Overview of the Image Flow 0018-1562 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480...
  • Page 56: Construction Of The Image Processing Module

    3.3.2 Construction of the Image Processing Module 0018-1563 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The machine's major image processing is executed by the image processor PCB. The following shows the construction of the modules associated with image processing:...
  • Page 57: Compression/ Extesion/ Editing Block

    Binary processing (error diffusion) To compression/expansion/editing block F-3-5 3.3.4 Compression/ Extesion/ Editing Block 0018-1565 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Here, image data is processed for compression, extension, and editing. Image processor PCB Reader image PDL image processing block...
  • Page 58: Image Data Flow

    To DC controller PCB F-3-7 3.4 Image Data Flow 3.4.1 Flow of Image Data According to Copy Functions 0018-1567 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Reader unit Image processor PCB Image processing block for reader unit SDRAM Data rotation...
  • Page 59: Flow Of Image Data For The Fax Transmission

    Ethernet port (compression data) To network F-3-9 3.4.3 Flow of Image Data for the Fax Transmission 0018-1570 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Reader unit Image processor PCB Image processing block for reader unit SDRAM Data compression Data rotation...
  • Page 60: Flow Of Image Data For The Pdl Function

    Data expansion Image processing block for printer unit DC controller PCB F-3-11 3.4.5 Flow of Image Data for the PDL Function 0018-1572 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Ethernet Image processor PCB Rendering processing block SDRAM Compression/expansion /editing block...
  • Page 61: Parts Replacement Procedure

    3.5.1.1 Preparation for Removing the Image Processor 2) Detach the RAM cover [1]. - 5 screws [2] 0018-1591 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Detach the rear cover. 2) Detach the rear left cover. 3.5.1.2 Removing the Image Processor PCB...
  • Page 62 Chapter 3 6) Detach the modem PCB or the capacitor PCB [1]. In the case of the modem PCB - 3 connectors [2] - 2 screws [3] F-3-17 In the case of the capacitor PCB - 2 screws [3] F-3-20 9) Detach the cable guide [2] in the upward direction.
  • Page 63: Sdram

    3.5.2.1 Preparation for Removing the SDRAM F-3-25 14) Detach the image processor PCB [1]. 0018-1593 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 - 5 connectors [2] - 7 screws [3] 1) Detach the rear cover. 2) Change the position of the jumper plug (JP100) [1] on the modem PCB (capacitor PCB).
  • Page 64: Removing The Sdram

    Chapter 3 F-3-29 3.5.2.2 Removing the SDRAM 0018-1594 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Release two lock levers [1] in the direction of arrow [A] and remove SDRAM [2]. F-3-28 When turning off the main power switch and disconnecting the power plug from the power outlet, the power is supplied between the SDRAM and the super capacitor for image memory backup.
  • Page 65 Chapter 4 Original Exposure System...
  • Page 66 Contents Contents 4.1 Basic Constraction ................................. 4-1 4.1.1 Specifications, Control Methods, and Functions ........................4-1 4.1.2 Major Components ..................................4-2 4.1.3 Control System Configuration ..............................4-3 4.1.4 Reader Controller PCB ................................4-4 4.2 Basic Sequence ................................4-5 4.2.1 Basic Sequence at Power-on ................................ 4-5 4.2.2 Basic Sequence after Depression of Start Key (Book mode, One Sheet of original) ..............
  • Page 67: Basic Constraction

    Chapter 4 4.1 Basic Constraction 4.1.1 Specifications, Control Methods, and Functions 0018-1180 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Major specifications, control methods, and functions of the original exposure system are summarized below. T-4-1 Item Function/Method Exposure light source Original scan In BOOK mode: Original scan is performed by moving the contact image sensor (CIS).
  • Page 68: Major Components

    Chapter 4 4.1.2 Major Components 0018-1181 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Major components of the original exposure system are as follows: [12] [11] [10] F-4-1 T-4-2 Component Function/Specification Copyboard cover open/close SR402 Photo interrupter: Detects the copyboard cover open/ sensor (Rear: SR402) close status.
  • Page 69: Control System Configuration

    Chapter 4 4.1.3 Control System Configuration 0018-1182 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The control system configuration of the original exposure system is shown below. [13] [12] [11] [10] F-4-2 [1] Printer main body (Connected to the image processor PCB)
  • Page 70: Reader Controller Pcb

    Chapter 4 4.1.4 Reader Controller PCB 0018-1183 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The functional configuration of the reader controller PCB is shown below. DC5V DC3.3V DC24V J401 J405 J404 J403 J402 J409 J410 J411 J412 J408 J413...
  • Page 71: Basic Sequence

    Chapter 4 4.2 Basic Sequence 4.2.1 Basic Sequence at Power-on 0018-1184 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Main power switch SREADY STBY Reader motor (M401) CISHP sensor (SR401) Shading Shading position position : Forward movement : Backward movement...
  • Page 72: Basic Sequence After Depression Of Start Key (Adf Mode, One Sheet Of Original)

    2. Original scan 3. Moves to the standby position F-4-7 4.2.3 Basic Sequence after Depression of Start Key (ADF Mode, One Sheet of Original) 0018-1186 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Black shading/White shading Start key STBY SCRW...
  • Page 73: Various Control

    Chapter 4 4.3 Various Control 4.3.1 Controlling the Scanner Drive System 4.3.1.1 Outline 0018-1187 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The machine's scanner system consists of the following components: Reader motor Reader controller Carriage drive belt Original glass...
  • Page 74 Chapter 4 a. Forward Movement during Image Scan During image scan, operation of the contact image sensor (CIS) is controlled by controlling the motor as shown below. Start Trailing edge Leading edge position of original Stop of original Constant speed Acceleration Deceleration Movement...
  • Page 75: Contact Image Sensor (Cis)

    4.3.2 Contact Image Sensor (CIS) 4.3.2.1 Outline 0018-1189 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The original is exposed to light and read using the contact image sensor (CIS) to read the image on a line-by-line basis. T-4-4 Component Function Illuminates the original.
  • Page 76: Analog Control Performed By The Cis

    4.3.2.2 Analog Control Performed by the CIS 0018-1190 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The flow of analog image processing performed by the contact image sensor (CIS) is as follows: The light reflected by the original is collected by the rod lens array.
  • Page 77: Detecting The Size Of Originals

    4.3.4.1 Outline 0018-1193 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The original size is identified by the combination of presence and absence of output levels of the reflection type sensors as summarized in the tables below. - Absence of paper: The light reflected from the reflection type sensor changes when the copyboard cover is open/close.
  • Page 78 Chapter 4 2) The copyboard cover opens (at an angle of more than 30o). Original sensor: Turns off. Original sensor 3 Original sensor 4 Original sensor 1 Original sensor 2 F-4-17 3) The copyboard cover is closed (at an angle of 30 deg). Original sensor: Turns on and original size identification process 1 is performed.
  • Page 79: Dirt Sensor Control

    4.3.5.1 Outline 0018-1195 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The machine changes the original read position or corrects the read image depending on the presence/absence of dust on the stream reading glass or ADF platen roller, thus preventing dust from showing up in the image. This control is performed only when the ADF is used and it is closed.
  • Page 80 Chapter 4 - Immediately before scanning (one sheet at a time) The contact image sensor (CIS) does not move to detect dust. The original is read at the position determined at job end or start. If presence of dust is detected there, the read image is corrected. T-4-5 Point Description...
  • Page 81: Image Processing

    Chapter 4 4.3.6 Image Processing 4.3.6.1 Outline 0018-1196 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Major specifications and functions of the image processing system are as follows: T-4-6 - CMOS sensor Number of lines: 1 Number of pixels: Total 7488 (incl. 7176 effective pixels) Pixel size: 32 x 46.9 um...
  • Page 82: Cmos Sensor Output Gain Correction And Offset Correction

    4.3.6.3 CMOS Sensor Output Gain Correction and Offset Correction 0018-1198 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The analog video signals output from the CMOS sensor are corrected so that they will have a specific gain level (gain correction), and the output voltages generated in the absence of incident light are also corrected so that they it will have a specific offset level (offset correction).
  • Page 83: Parts Replacement Procedure

    (Model equipped with ADF) 4.4 Parts Replacement Procedure 0017-9926 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 4.4.1 Copyboard Glass After replacing the copyboard glass, enter the correction values (X, Y, Z) of the standard white plate which are indicated on the back of the new copy- 4.4.1.1 Removing the Copyboard glass...
  • Page 84 Chapter 4 3) Detach the right cover (lower). 16) Disconnect the two connectors [1], and then remove the harness from the 4) Detach the right cover (Upper). edge saddle [2] and clamp [3]. And then remove the five screws [4]. 5) Detach the left cover (rear).
  • Page 85: Reader Motor

    F-4-39 4.4.3 Reader Motor 4.4.3.1 Removing the Scanner Motor 0018-0009 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Detach the rear cover. 2) Open the front cover. 3) Detach the right cover (lower). 4) Detach the right cover (upper).
  • Page 86: Contact Sensor Hp Sensor

    6) Open the copyboard cover (or ADF). 7) Detach the small cover. 0017-9934 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 8) Disconnect the ground cable of the ADF harness. 9) Remove the ADF harness. 1) Open the copyboard cover (or ADF).
  • Page 87: Removing The Original Sensor (Horizontal Scan Direction)

    4.4.8 Reader Heater (option) Direction) 4.4.8.1 Removing the Reader Heater (Right) 0017-9935 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 0017-9936 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Open the copyboard cover (or ADF). 2) Remove the copyboard glass.
  • Page 88 Chapter 4 5) Remove the jump board [1]. - Screw [2], 1 pcs F-4-55 6) Remove the stream reading glass stay [1]. - Screw [2], 2 pcs 7) Pull the drive belt (front) [3] in the direction of the arrow to move the con- tact sensor [4] to the center.
  • Page 89 Chapter 5 Laser Exposure...
  • Page 90 Contents Contents 5.1 Overview/Configuration ..............................5-1 5.1.1 Overview ...................................... 5-1 5.1.2 Specifications and Control Mechanism............................5-1 5.1.3 Main Components ..................................5-2 5.1.4 Control System Configuration ..............................5-3 5.2 Controlling the Laser Activation Timing ........................5-4 5.2.1 Laser Emission ON/OFF Control..............................5-4 5.2.2 Horizontal Synchronization Control ............................
  • Page 91: Overview/Configuration

    5.1.1 Overview 0018-1203 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The laser scanner unit consists of a laser driver, scanner motor, and others. It is controlled by the signals from the DC controller PCB. The laser driver operates the laser diode to emit light in response to the laser control signals and video signals from the DC controller PCB.
  • Page 92: Main Components

    Chapter 5 5.1.3 Main Components 0018-1205 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 F-5-1 T-5-2 Name Function [1] Photoconductive drum Receives laser beams to form a latent image. [2] Laser mirror 1 (loop-back mirror) Reflects a laser beam toward laser mirror 2.
  • Page 93: Control System Configuration

    Chapter 5 5.1.4 Control System Configuration 0018-1206 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The laser exposure system is controlled mainly by the IC5 on the DC controller PCB. Main control types are as follows: [1] Laser emission ON/OFF control/video signal input...
  • Page 94: Controlling The Laser Activation Timing

    5.2.1 Laser Emission ON/OFF Control 0018-1207 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The purpose of this control is to turn ON/OFF the laser diode (LD) in response to video signals. The DC controller PCB sends laser control signals (CNTRL0, CNTRL1, and CNTRL2), which are used to switch between laser driver operation modes, to the laser driver IC along with video signals (VDO1, /VDO1, VDO2, and /VDO2).
  • Page 95: Controlling The Intensity Of Laser Light

    5.3.1 Automatic Photocurrent Control (APC) 0018-1209 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The purpose of this control is to monitor the laser beam emitted to the photodiode on the laser driver circuit board in order to adjust the light quantity.
  • Page 96: Controlling The Laser Shutter

    5.5.1 Laser Shutter Control 0018-1211 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 When the drum unit is drawn out, the interlocked laser shutter moves down, shutting off the laser beam path. When opening of the front cover or left door is detected, the laser scanner motor and laser outputs turn off.
  • Page 97: Parts Replacement Procedure

    5.6 Parts Replacement Procedure 5.6.1 Laser/Scanner Unit 5.6.1.1 Removing the Laser Scanner Unit 0017-9939 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Detach the rear cover. 2) Open the front cover. 3) Detach the right cover (lower). 4) Detach the delivery tray.
  • Page 98 Chapter 6 Image Formation...
  • Page 99 Contents Contents 6.1 Overview/Configuration ..............................6-1 6.1.1 Specifications of Image Formation System ..........................6-1 6.1.2 Major Components of Image Formation System ......................... 6-1 6.2 Image Formation Process .............................. 6-2 6.2.1 Image Formation Process ................................6-2 6.3 Basic Sequence ................................6-2 6.3.1 Basic Sequence of Operation ...............................
  • Page 100: Overview/Configuration

    Chapter 6 6.1 Overview/Configuration 6.1.1 Specifications of Image Formation System 0018-1212 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-6-1 Photosensitive drum Drum type OPC drum Drum diameter Cleaning mechanism Cleaning blade Processing speed 106.7mm/sec Primary charging Charging method Roller charging (AC + DC)
  • Page 101: Image Formation Process

    6.2.1 Image Formation Process 0018-1214 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The image formation system of this machine consists of toner, primary charging roller, developing unit, cartridge integrated with a drum, and transfer charging roller, and so on.
  • Page 102 Chapter 6 - During printing To prevent fogging of the drum, the developing DC bias is held higher than usual except during image formation. To prevent the toner remaining on the photosensitive drum from sticking to the transfer charging roller, the transfer roller bias which is lower than that applied during printing the is applied at the prescribed timing.
  • Page 103: Driving And Controlling The High-Voltage System

    6.4.1 Outline 0018-1222 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The voltage generated by superimposing the DC voltage over the AC voltage is applied to the primary charging roller and developing cylinder, and a positive or negative DC voltage is applied to the transfer charging roller according to the instruction of the CPU on the DC controller PCB.
  • Page 104: Developing Bias Control

    6.4.3 Developing Bias Control 0018-1225 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 A DC bias and an AC bias are applied to the developing cylinder. The ASIC on the DC controller PCB outputs the developing AC bias drive signal (/DVACFOT), developing AC bias ON/OFF signal (/DVACON), developing DC bias drive signal (/DVDCFOT), and developing DC bias output level signal (/DVDCPWM) to apply the voltage generated by superimposing the developing AC bias over the developing DC bias to the developing cylinder.
  • Page 105: Transfer Roller Bias Control

    6.5.2 Transfer Roller Bias Control 0018-1229 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 A negative bias, sheet-to-sheet bias, or positive bias is applied to the transfer charging roller according to the type of sequence. The negative bias is applied at the prescribed timing to moves the toner from the transfer charging roller to the photosensitive drum for cleaning.
  • Page 106: Parts Replacement Procedure

    6.6 Parts Replacement Procedure 6.6.1 Transfer Charging Roller 6.6.1.1 Removing the Transfer Charging Roller 0017-9941 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Open the left door. 2) Remove the transfer charging roller [1] F-6-12 Do not touch the transfer charging roller surface.
  • Page 107 Chapter 7 Pickup and Feed System...
  • Page 108 Contents Contents 7.1 Overview/Configuration ..............................7-1 7.1.1 Specifications/Configuration/Operation Methods........................7-1 7.1.2 Locations of Main Units................................7-2 7.1.3 Roller Layout Drawing................................. 7-2 7.1.4 Paper Path Drawing (Printer on its own) ............................. 7-3 7.1.5 Paper Path Drawing (Finisher)..............................7-3 7.1.6 Paper Path Drawing (Duplex Unit/Finisher)..........................7-4 7.1.7 Paper Path Drawing (Duplex Unit) ..............................
  • Page 109: Overview/Configuration

    Chapter 7 7.1 Overview/Configuration 7.1.1 Specifications/Configuration/Operation Methods 0018-1233 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Functions and operation methods of the pickup/feeding system are as follows: T-7-1 Item Function/Operation method Pickup method Cassette Claw and separation retard Multi manual feed tray...
  • Page 110: Locations Of Main Units

    Chapter 7 7.1.2 Locations of Main Units 0018-1234 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Locations of main units of the pickup/feeding system are shown blow. F-7-1 [1] Pickup assembly [2] Manual feed pickup assembly [3] Registration roller [4] Transfer assembly...
  • Page 111: Paper Path Drawing (Printer On Its Own)

    [10] Duplex paper feed roller 1 [11] Second delivery roller [12] First delivery roller 7.1.4 Paper Path Drawing (Printer on its own) 0018-1236 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 F-7-3 [1] Cassette pickup [2] Manual feed pickup [3] Delivery to copy tray 1 7.1.5 Paper Path Drawing (Finisher)
  • Page 112: Paper Path Drawing (Duplex Unit/Finisher)

    Chapter 7 7.1.6 Paper Path Drawing (Duplex Unit/Finisher) 0018-1238 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 F-7-5 [1] Cassette pickup [2] Manual feed pickup [3] Duples paper feed assembly [4] Finisher (option) 7.1.7 Paper Path Drawing (Duplex Unit) 0018-1239...
  • Page 113: Paper Path Drawing (Duplex/Inner 2Way Tray)

    Chapter 7 7.1.8 Paper Path Drawing (Duplex/Inner 2Way Tray) 0018-1240 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 F-7-7 [1] Cassette pickup [2] Manual feed pickup [3] Delivery to copy tray 1 [4] Delivery to copy tray 2 (option) [5] Duplex paper feed assembly 7.1.9 Paper Path Drawing(Inner 2Way Tray)
  • Page 114: Sensor Layout Drawing

    Chapter 7 7.1.10 Sensor Layout Drawing 0018-1242 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The layout of the sensors used in the pickup/feeding system is shown below. F-7-9 [1] Cassette 1 paper presence/absence sensor (SR204) [2] Registration sensor (SR209)
  • Page 115: Detection Jams

    7.2.1.1 Delay Jam in Pickup Assembly 0018-1244 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Delay Jam in Pickup Assembly The registration sensor cannot detect the leading edge of paper within the jam detection time interval after paper pickup started.
  • Page 116: Other Jams

    T-7-7 Sensor First delivery sensor (SR203) 7.2.3 Other Jams 7.2.3.1 Door Open Jam 0018-1248 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Door Open Jam The door is opened when paper to be printed is in the paper feed path.
  • Page 117: Cassette Pickup Unit

    7.3.1 Overview 0018-1249 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The paper picked up from the cassette is fed to the registration roller using the vertical path roller driven by the main motor (M204). The registration roller is not rotating when paper reaches there, so an arch is formed at the leading of the paper to prevent skewing.
  • Page 118 Chapter 7 2) When the pickup roller drive gear is engaged with the pickup roller shaft gear, drive power is transferred to the pickup roller shaft gear and consequently the pickup roller starts rotating. F-7-12 3) When the feed roller drive gear is engaged with the feed roller shaft gear, drive power is transferred to the feed roller shaft gear and consequently the feed roller starts rotating.
  • Page 119: Cassette Paper Size Detection

    0018-1251 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The size of the paper in the cassette is detected by the DC controller PCB when the user changes the position of the cassette paper size lever. When the cassette is inserted in the iR host machine, the paper size lever pushes the paper size switches provided in the iR host machine to allow the DC controller PCB to detect presence of the cassette and the size of paper.
  • Page 120: Manual Feed Pickup Unit

    7.4.1 Overview 0018-1252 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 a. Multi Manual feed Pickup Control The manual feed pickup mechanism picks up sheets of paper in succession from the multi manual feed tray. The sheets of paper stacked in the tray are raised against the manual feed pickup roller by the inner plate.
  • Page 121: Parts Replacement Procedure

    7.5 Parts Replacement Procedure 7.5.1 Cassette Pickup Assembly 7.5.1.1 Removing the Cassette Pickup Assembly 0017-9943 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Detach the lower-left cover. 2) Detach the cassette rear cover. 3) Remove the cassette pickup assembly [1].
  • Page 122: Separation Roller

    7.5.6 Separation Roller 7.5.6.1 Removing the Feed and Separation Rollers 0017-9956 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Remove the cassette. 2) Open the lower-left cover. 3) Lower the separation roller [1] as shown below, and then remove the sep- aration roller [1] and feed roller [3] by holding the claws [2] of the roller collars.
  • Page 123: Manual Pickup Solenoid

    F-7-27 7.5.9 Manual Pickup Solenoid 7.5.9.1 Removing the Multifeeder Pickup Solenoid 0017-9953 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Open the front cover. 2) Turn the developer pressure release lever clockwise, and then open the left door. F-7-30 3) Draw out the drum unit.
  • Page 124: Registration Roller

    F-7-33 7.5.11 Registration Clutch 7.5.11.1 Removing the Registration Clutch 0017-9955 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1)Detach the rear cover. 2) Disconnect the connector [1], and then remove the harness from the three wire saddles [2]. 3) Remove the resin ring [3], and then remove the registration clutch [4].
  • Page 125: Pickup Roller

    7) I use a minus screwdriver and remove separation pad [1]. F-7-37 7.5.13 Pickup Roller 7.5.13.1 Removing the Cassette Paper Pickup Roller 0017-9942 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Remove the cassette. 2) Open the lower-left cover. 7-17...
  • Page 126 Chapter 8 Fixing System...
  • Page 127 Contents Contents 8.1 Overview/Configuration ..............................8-1 8.1.1 Specifications, Control Mechanisms and Functions ........................8-1 8.1.2 Major Components..................................8-2 8.2 Various Control Mechanisms ............................8-3 8.2.1 Controlling the Speed of the Fixing Film............................. 8-3 8.2.1.1 Controlling the Fixing Film Speed .................................8-3 8.2.2 Controlling the Fixing Film Temperature ............................
  • Page 128: Overview/Configuration

    Chapter 8 8.1 Overview/Configuration 8.1.1 Specifications, Control Mechanisms and Functions 0018-1254 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-8-1 Item Function/Method Fixing method by fixing film + pressure roller Fixing heater Unitary flat heater incorporating both main heater and sub heater...
  • Page 129: Major Components

    Chapter 8 8.1.2 Major Components 0018-1255 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 M201 SR202 F-8-1 Inner delivery roller Pressure roller Fixing film speed sensor SR202 Fixing delivery sensor Fixing film unit M201 Fixing drive motor F-8-2 Fixing film speed sensor...
  • Page 130: Various Control Mechanisms

    8.2.1.1 Controlling the Fixing Film Speed 0018-1256 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The rotation cycle is measured with reference to the mark provided at the end of the fixing film to rotate the fixing drive motor at the optimum speed, thus keeping the paper feed speed constant.
  • Page 131: Target Temperatures By Mode

    8.2.2.3 Target Temperatures by Mode 0018-1301 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 This machine controls the fixing temperature according to the "media type" selected in the user mode and the "target temperature" set in the "special mode." The correspondence between each mode and target temperature is as follows:...
  • Page 132: Protection Function

    Chapter 8 8.3 Protection Function 8.3.1 Protective Functions 0018-1305 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 DC Controller PCB Power supply PCB Low voltage power +3.3V, +5.1V, +24V,+24VR supply circuit J215 Zero crossing ZEROX circuit Heater drive circuit J215...
  • Page 133 Chapter 8 5) A lock condition has been detected in the fixing motor. Fixing System Error Codes E000-0000 STARTUP ERROR The temperature detected by the main and sub thermistors did not reach the prescribed temperature during startup control. E001-0000 ABNORMALLY HIGH TEMPERATURE (detected by main thermistor) The main thermistor detected an abnormally high temperature (250 deg C) during temperature control.
  • Page 134: Parts Replacement Procedure

    8.4 Parts Replacement Procedure 8.4.1 Fixing Unit 8.4.1.1 Removing the Fixing Unit 0017-9958 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Draw out the drum unit. 2) Detach the rear cover. 3) detach the left cover (rear). 4) Disconnect the connector [1] of the junction harness and remove the reus- able band [2], then remove the earth wire [3].
  • Page 135: Fixing Film Unit

    3) Release the fixing unit harness [2] from the wire saddle [1]. F-8-16 4) Remove the fixing paper guide [2]. - Screw [1], 1 pc. F-8-13 8.4.2 Fixing Film Unit 8.4.2.1 Removing the Fixing Film Unit 0017-9960 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Remove the fixing unit. F-8-17...
  • Page 136 Chapter 8 5) Remove the right side stay [1] and left side stay [2]. 7) Remove the ground cable [1] from the holder, and then free the fixing unit - Screw [1], 2 pcs. AC harness. F-8-18 6) Disconnect the connector [1] and release the fixing DC harness [2] from the harness guide [3].
  • Page 137: Fixing Pressure Roller

    - Screw [2], 2 pcs. 8.4.3.1 Removing the Pressure Roller 0017-9959 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Remove the fixing unit. 2) Remove the fixing film unit. 3) Raise the claw [1] of the fixing unit inlet guide, and remove the slide the fixing unit inlet guide [2] by sliding it in the direction of the arrow.
  • Page 138: Fixing Delivery Paper Sensor

    5) Remove the right side stay [1] and left side stay [2]. - Screw [1], 2 pcs. 8.4.4.1 Removing the Fixing Delivery Sensor 0017-9961 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Remove the fixing unit. 2) Remove the fixing pressure release lever [2]. - Resin ring [1]...
  • Page 139: Fixing Film Sensor

    8.4.5 Fixing Film Sensor 8.4.5.1 Removing the Fixing Film Sensor 0017-9962 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Remove the fixing unit. 2) Disconnect the connector [1], release the two hooks [2], and then remove the film sensor [3].
  • Page 140 Chapter 9 External and Controls...
  • Page 141 Contents Contents 9.1 Control Panel ................................. 9-1 9.1.1 Overview ...................................... 9-1 9.2 Fan ....................................9-1 9.2.1 Overview ...................................... 9-1 9.2.2 Fan Control....................................9-2 9.3 Power Supply................................. 9-2 9.3.1 Power Supply ....................................9-2 9.3.1.1 Outline..........................................9-2 9.3.1.2 Rated Output of the Power Supply PCB.................................9-3 9.3.2 Protection Function ..................................
  • Page 142: Control Panel

    Chapter 9 9.1 Control Panel 9.1.1 Overview 0018-1306 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The machine's control panel consists of the following PCBs, and is controlled by the ASIC of the image processor PCB. Image processor Panel switch...
  • Page 143: Fan Control

    9.2.2 Fan Control 0018-1308 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Heat discharge fan (FM1) rotates at the full speed or the half speed according to the combination of the three control signals (FAN_FULL, FAN_MID, FAN_LOW). DC Controller PCB...
  • Page 144: Rated Output Of The Power Supply Pcb

    +24VR +5VR Sensor +3.3VR Inner2waytray Duplex unit +24V F-9-6 9.3.1.2 Rated Output of the Power Supply PCB 0018-1310 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Output 3.3V 3.3VR Rated output voltage 5.1V 5.1V 3.4V 3.4V Output voltage tolerance +10%, -5%...
  • Page 145: Parts Replacement Procedure

    9.4.4 Lower Right Cover 9.4 Parts Replacement Procedure 9.4.4.1 Removing the Right Cover (Lower) 0018-0018 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 9.4.1 Rear Cover 1) Detach the rear cover. 9.4.1.1 Removing the Rear Cover 2) Open the front cover.
  • Page 146: Reader Rear Cover

    10) Detach the reader rear cover [1]. - Screw [2], 4 pcs. 9.4.7.1 Removing the Reader Rear Cover 0017-9968 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Detach the rear cover. 2) Open the front cover. 3) Detach the right cover (lower).
  • Page 147: Removing The Left Door (With Duplex Unit Type)

    F-9-19 9.4.9.2 Removing the Left Door (With Duplex Unit Type) 0017-9985 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 F-9-17 2) Open the left door until it sops and pull out the hinge shaft [1]. 1) Draw out the drum unit.
  • Page 148: Main Drive Unit

    9.4.10.1 Removing the Main Drive Unit 2) Open the left door until it sops and pull out the hinge shaft [1]. 0017-9979 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 MEMO: 1) Open the front cover. When a duplex unit is installed, remove it before pulling out the hinge shaft 2) Turn the developing assembly locking lever clockwise to open the left for each access.
  • Page 149 Chapter 9 10) Pull out the handle [1] at the back of the machine, remove the screw [2], 13) Release the gear stopper [1] from the shaft, and then remove the gear [2]. and then remove the stopper [3]. F-9-25 11) Remove the harness [1] from the wire saddle [2].
  • Page 150: Fixing/Duplex Drive Unit

    2) Turn over the operation panel unit[1]. - Screw [1], 2 pcs. 9.4.11.1 Removing the Fixing Drive Unit 0017-9980 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Draw out the drum unit. 2) Detach the rear cover. 3) Detach the left cover (rear).
  • Page 151: Powwer Supply Pcb

    F-9-35 9.4.14 Powwer Supply PCB 9.4.14.1 Removing the Main Power Supply PCB 0017-9969 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Detach the rear cover. 2) Detach the right cover (lower). 3) Detach the delivery tray. 4) Remove the power supply PCB [1].
  • Page 152: Main Drive Motor

    [1] touch the contacts on the PCB. 9.4.19.1 Removing the Fixing Heat Discharge Fan (Non Duplex Unit Type) 0017-9975 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Open the left door until it stops. 2) Remove the transfer/registration unit [1]. - Screw [2], 4 pcs.
  • Page 153: Removing The Fixing Heat Discharge Fan (With Duplex Unit Type)

    - Screw [2], 4 pcs. F-9-46 9.4.19.2 Removing the Fixing Heat Discharge Fan (With Duplex Unit Type) 0017-9976 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Draw out the drum unit. 2) detach the rear cover. 3) Detach the left cover (rear). F-9-48...
  • Page 154: Fan Filter

    10) Remove the fixing heart discharge fan [1]. 4) Remove the duct [1]. - Screw [2], 2 pcs. F-9-51 9.4.20 Fan Filter 9.4.20.1 Removing the Fan Filter (Non Duplex Unit) F-9-54 0017-9977 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 9-13...
  • Page 155: Removing The Fan Filter (With Duplex Unit Type)

    9.4.20.2 Removing the Fan Filter (With Duplex Unit Type) 0017-9978 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Draw out the drum unit. 2) Detach the rear cover. 3) Detach the left cover (rear).
  • Page 156 8) Remove the duplex unit [1] from the left door. - Screw [2], 6 pcs. F-9-58 9) Remove the fan filter from the duplex unit.
  • Page 157: Rds

    Chapter 10...
  • Page 158 Contents Contents 10.1 RDS.................................... 10-1 10.1.1 Overview ....................................10-1 10.1.2 Application Operation Mode..............................10-1 10.1.3 Communication Test ................................10-1 10.1.4 Communication Log................................. 10-1 10.1.5 Detail of Communication Log..............................10-1 10.1.6 Initialization of e-RDS ................................10-1 10.1.7 SOAP Communication Function.............................. 10-2 10.1.8 Retransmission at the time of SOAP Transmission Error......................
  • Page 159: Overview

    Chapter 10 10.1 RDS 10.1.1 Overview 0017-8264 imageCLASS MF7470 / imageCLASS MF7480 Product Overview Embedded RDS (henceforth: e-RDS) is the front-end module of e-Maintenance embedded with a network module of a device controller. Product Package Configuration Embedded with a network module of a device. Features e-RDS is embedded with a network module of a device controller, which works as a front-end module of e-Maintenance without any hardware other than device.
  • Page 160: Soap Communication Function

    Chapter 10 Initialization of e-RDS resets all the port and address settings so that they are suitable for UGW, but does not reset the CA certificate data. For this reason, in case a non-default CA certificate data is installed, you need to delete the certificate (installation of the default certificate) after initialization of e-RDS.
  • Page 161: Retransmission At The Time Of Soap Transmission Error

    Chapter 10 Transmission Detail / Process Detail Transmission Timing Remarks Jam log At the time of jam occurrence Includes the jam code, date of occurrence, postJamLog total counter at occurrence, paper feeding slot, and paper size. Service call log At the time of service call occurrence Includes the error code, error subcode, date of postServiceCallLog occurrence, total counter at occurrence, paper...
  • Page 162: Report Output Of Communication Error Log

    Chapter 10 An example for the transition of the menu related to the e-RDS in the service mode. arrow key #E-RDS #E-RDS #E-RDS E-RDS SWITCH RGW-ADDRESS RGW-PORT OK key #E-RDS SWITCH #RGW-ADDRESS #RGW-PORT https://xxxxxxxxxxxxxx #E-RDS #E-RDS COM-TEST COM-LOG #E-RDS No:1 Ecode:870F2052 COM-TEST OK 2006 03/24 11:56 F-10-1...
  • Page 163: Alarm Filtering, Alert Filtering

    Chapter 10 10.1.12 Alarm Filtering, Alert Filtering 0017-8275 imageCLASS MF7470 / imageCLASS MF7480 With the instruction from UGW (getOperationList), change the alarm level for the specified alarm code, and transmit only the specified alert code. 10.1.13 CA Certificate 0017-8276 imageCLASS MF7470 / imageCLASS MF7480 (1).
  • Page 164: Troubleshooting

    Chapter 10 (1)-2. Initialization #CLEAR > ERDS-DAT If necessary, install or delete CA Certificate and turn off/on the power. (1)-3. Display the menu screen of e-RDS Press the arrow key to move to the menu (#E-RDS) of e-RDS. (2). Set E-RDS SWITCH to 1 in order to enable e-RDS. (3).
  • Page 165 Chapter 10 Error Character Strings Error Description Cause Measures URL server specified is illegal Server-specified URL error A different URL than the one specified by Check with the server helpdesk. the server has been registered. Proxy connection error Proxy connection error Cannot connect to the Proxy server.
  • Page 166 Chapter 10 Error Character Strings Error Description Cause Measures Server schedule is invalid Invalid server-instructed Schedule setting value instructed by the Report detailed information on error occurred to schedule server during Communication test is the support division. invalid. After countermeasures are taken on the server side, perform Communication test again.
  • Page 167 Chapter 10 [Method Name]: T-10-4 Method Name Description postServiceModeCount Obtain software counters for copy/print charge postModeCount Obtain mode counter postPartsCount Obtain parts counter postFirmwareInfo Obtain ROM version getOperationList Check whether there is an operation execution command for you in UGW postOperationOutcome Transmit execution result of operation commanded in getOperationList postConfiguration...
  • Page 168 Chapter 11 Maintenance and Inspection...
  • Page 169 Contents Contents 11.1 Periodically Replaced Parts ............................11-1 11.1.1 Overview ....................................11-1 11.1.2 Reader Unit ....................................11-1 11.1.3 Printer Unit....................................11-1 11.2 Consumables................................11-1 11.2.1 Overview ....................................11-1 11.2.2 Reader Unit ....................................11-1 11.2.3 Printer Unit....................................11-1 11.3 Periodical Service ..............................11-2 11.3.1 Scheduled Servicing.................................
  • Page 170: Periodically Replaced Parts

    11.1.1 Overview 0018-0089 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The machine has parts that must be replaced on a periodical basis to ensure a specific level of functional performance. (The loss of the function of any of these parts will significantly affect the machine performance, regardless of the presence/absence of external changes or damage.)
  • Page 171: Periodical Service

    11.3.1 Scheduled Servicing 0018-0095 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The reader and printer unit does not have items that require scheduled servicing. Be sure to clean the copyboard glass and the ADF reading glass during every service visit.
  • Page 172 Chapter 12 Measurement and Adjustments...
  • Page 173 Contents Contents 12.1 Scanning System................................ 12-1 12.1.1 Procedure after Replacing the CIS (Touch panel type)......................12-1 12.1.2 Procedure after Replacing the Copyboard Glass (With ADF)....................12-1 12.2 Image Formation System ............................12-1 12.2.1 Procedure after Replacing the Developing Assembly......................12-1 12.3 Electrical Adjustments...............................
  • Page 174: Scanning System

    PCB (Touch panel 0018-0097 0018-0101 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 After replacing the contact image sensor (CIS), go through the following If you have replaced the image processor PCB with a new one, perform the...
  • Page 175 Chapter 12 2) Press the following keys to enter the service mode. > 2 key > 8 key > 3) Select "#SYSTEM" using , and then press the OK. 4) Select "#SYSTEM SW" using , and then press the OK. 5) Press the following keys to display "SW003."...
  • Page 176 Chapter 13 Correcting Faulty Images...
  • Page 177 Contents Contents 13.1 Initial Checkup................................13-1 13.1.1 Site Environment..................................13-1 13.1.2 Checking the Paper................................... 13-1 13.1.3 Checking the Placement of Paper............................. 13-1 13.1.4 Checking the Durables ................................13-1 13.1.5 Checking the Units and Functional Systems..........................13-1 13.1.6 Others ....................................... 13-2 13.2 Outline of Electrical Components ..........................
  • Page 178: Initial Checkup

    0018-0105 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 a. Be sure the paper being used is of a type recommended by Canon. b. Be sure that the paper is not moist. Try using paper fresh out of package. 13.1.3 Checking the Placement of Paper...
  • Page 179: Others

    13.1.6 Others 0018-0110 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 If a machine is brought from a cold to warm room, its inside can start to develop condensation, leading to various problems. a. condensation on the BD sensor is likely to cause problems associated with E100 b.
  • Page 180: Motor

    Chapter 13 13.2.2 Motor 13.2.2.1 List of Motors 0018-0113 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 <Reader Unit> Symbol Name Function M401 Reader motor Drives the carriage. Symbol Part No. Reader controller PCB Error M401 FK2-1066 J409 M401 F-13-2 <Printer Unit>...
  • Page 181: Fan

    Chapter 13 13.2.3 Fan 13.2.3.1 List of Fans 0018-0114 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 <Reader Unit> The reader unit has no fan. <Printer Unit> T-13-1 Symbol Name Function Heat discharge fan Cools fixing unit. Symbol Part No.
  • Page 182 Chapter 13 <Reader Unit> T-13-2 Symbol Name Function SR401 CIS HP sensor Detects the CIS home position. SR402 Copyboard cover open/closed sensor (rear) Detects opening/closing of the copyboard cover. SR403 Copyboard cover open/closed sensor (front) Detects opening/closing of the copyboard cover. SR404 Original sensor 1 Detects the original size (AB or INCH/AB).
  • Page 183 Chapter 13 <Printer Unit> T-13-4 Symbol Name Function Fixing film speed sensor Detects the fixing film speed. SR101 Fixing delivery sensor Detects fixing delivery. SR202 No.1 delivery sensor Detects delivery. SR203 SR204 Cassette 1 paper sensor Detects presence/absence of cassette 1 paper. Waste toner full detection sensor Detects the waste toner full status.
  • Page 184: Switch

    Chapter 13 13.2.5 Switch 13.2.5.1 List of Switches 0018-0116 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 <Reader Unit> The reader unit has no switch. <Printer Unit> Symbol Name Function Front cover switch Detects opening/closing of the front cover. Left door switch Detects opening/closing of the left door.
  • Page 185 Chapter 13 <Reader Unit> Symbol Name Part No. Function Prevents dew condensation on the ADF Reader heater (left) reading glass. Prevents dew condensation on the Reader heater (right) copyboard glass. F-13-8 <Printer unit> Symbol Name Function Fixing main heater Used as the main heater for fixing. Fixing sub heater Used as the sub heater for fixing.
  • Page 186: Pcbs

    Part No. Modem PCB FH5-3543 FK2-1265 J1203 H1, H2 F-13-9 13.2.7 PCBs 13.2.7.1 List of PCBs 0018-0118 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 <Reader Unit> Symbol Name Part No. Function Reader controller PCB FM2-4792 controls the reader unit/ADF F-13-10...
  • Page 187 Chapter 13 <Printer unit> Symbol Name Part No. Function Laser driver PCB Scanner unit controls the laser unit drive FM3-3695 BD PCB generates the BD signal Image processor PCB FM3-3320(LCD type) processes output image data for the printer unit FM3-3319(Touch panel type) 128MB RAM FM3-3324 temporarily retains image data...
  • Page 188 [10] [13] [12] [11] F-13-11 [14] [17] [15] [16] F-13-12...
  • Page 189 Chapter 14 Error Code...
  • Page 190 Contents Contents 14.1 Error Code Table ............................... 14-1 14.1.1 List of Error Codes................................... 14-1 14.2 Error Code Details ..............................14-2 14.2.1 Error Code Details..................................14-2 14.3 Jam Code ................................... 14-5 14.3.1 Jam Codes (Related to Printer Unit) ............................14-5 14.3.2 Jam Codes (Related to Finisher) .............................. 14-5 14.3.3 Jam Codes (Related to ADF) ..............................
  • Page 191: Chapter 14 Error Code

    Chapter 14 14.1 Error Code Table 14.1.1 List of Error Codes 0018-0390 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-14-1 Error Code Detail Code Error Name/Explanation of Error E000 0000 Fixing temperature abnormal rise 0000 Fixing unit temperature rise detection (by main thermistor)
  • Page 192: Error Code Details

    Chapter 14 14.2 Error Code Details 14.2.1 Error Code Details 0018-0393 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-14-2 Display Detail Code Main Cause/Symptom Countermeasure Code E000 0000 Startup error The temperature detected by the main or sub thermistor does - Check the fixing film connector.
  • Page 193 Chapter 14 Display Detail Code Main Cause/Symptom Countermeasure Code E196 0001 Image processor PCB failure Error on writing and readout ROM of image processor PCB - Putting the switch on/off of the power supply. (mainn ROM). - Replace the image processor PCB. 0002 Image processor PCB failure Error on writing and readout ROM of image processor PCB...
  • Page 194 Chapter 14 Display Detail Code Main Cause/Symptom Countermeasure Code E739 0000 Erroneous communication between controller and network board The installed network board is incompatible. - Check the connectors of the image processor PCB and LAN PCB for normal connection. - Replace the LAN PCB. - Replace the image processor PCB.
  • Page 195: Jam Code

    Chapter 14 14.3 Jam Code 14.3.1 Jam Codes (Related to Printer Unit) 0018-0394 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-14-3 Code Name Sensor No. Description 0104 Delay jam in paper SR209 The registration sensor cannot detect the leading edge of paper from the moment paper pickup starts to the pickup section moment the jam detection time is reached.
  • Page 196: Jam Codes (Related To Duplex Unit)

    Chapter 14 14.3.4 Jam Codes (Related to Duplex Unit) 0018-0397 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-14-6 Code Name Sensor No. Description 0120 Delay jam at duplex paper sensor 1 SR1002 The duplex paper sensor 1 does not turn on within the specified time after the delivery sensor on the main unit side turns on.
  • Page 197: Finisher Error Codes

    Chapter 14 14.4 Finisher Error Codes 14.4.1 Error Code Details 0018-0399 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-14-8 Display Detail Main Cause/Symptom Countermeasure code Code E500 0001 Finisher communication error Data communication could not be performed - Check the connectors of the finisher controller PCB and DC controller PCB for normally.
  • Page 198 Chapter 14 Display Detail Main Cause/Symptom Countermeasure code Code E540 0001 - Standard tray shift motor or finisher controller PCB failure - Standard tray HP sensor failure - Standard tray clock sensor failure - Standard tray shift motor load failure The standard tray was moved but the paper - Check the connector of the standard tray HP sensor.
  • Page 199 Chapter 14 Display Detail Main Cause/Symptom Countermeasure code Code E542 0001 - Optional tray motor or finisher controller PCB failure - Optional tray HP sensor failure - Optional tray clock sensor failure - Optional tray shift motor load failure The optional tray was operated, but the paper - Check the connector of the optional tray HP sensor.
  • Page 200: Fax Error Codes

    0018-0400 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 An error code is used to indicate a fault in a machine, and is indicated in the machine's LCD or reports, showing the nature (symptoms) of the fault. Using the error code, the user or the service man can readily find out how to correct the fault by simply referring to the User's Manual or service manual.
  • Page 201 Chapter 14 Tx/Rx Description ##0280 [Tx] at time of transmission, the procedural signal has been transmitted more than specified. ##0281 [Tx] at time of transmission, the procedural signal has been transmitted more than specified. ##0282 [Tx] at time of transmission, the procedural signal has been transmitted more than specified. ##0283 [Tx] at time of transmission, the procedural signal has been transmitted more than specified.
  • Page 202 Chapter 14 Tx/Rx Description ##0788 [Tx] at time of ECM transmission, the procedural signal has been transmitted more than specified after transmission of EOR-EOP, or T5 time-out (60 sec) has occurred. ##0789 [Tx] at time of ECM transmission, ERR is received after transmission of EOR-EOP. ##0790 [Rx] at time of ECM reception, ERR is transmitted after transmission of EOR-Q.
  • Page 203 Chapter 15 Service Mode...
  • Page 204 Contents Contents 15.1 Outline ..................................15-1 15.1.1 Outline of Service Mode ................................15-1 15.1.2 Using the Mode (Touch Panel Type) ............................15-2 15.2 Default Settings ................................. 15-2 15.2.1 Service Mode Menus................................15-2 15.3 Service Soft Switch Settings (SSSW)........................15-9 15.3.1 Outline...................................... 15-9 15.3.1.1 Bit Switch Composition ....................................
  • Page 205 Contents 15.3.11.2 Detailed Discussions of Bit 5 ................................. 15-15 15.3.12 SSSW-SW33 ..................................15-15 15.3.12.1 List of Functions ..................................... 15-15 15.3.12.2 Detailed Discussions of Bit 0 ................................. 15-16 15.3.12.3 Detailed Discussions of Bit 1 ................................. 15-16 15.3.12.4 Detailed Discussions of Bit 2 ................................. 15-16 15.3.12.5 Detailed Discussions of Bit 3 - Bit4 ...............................
  • Page 206 Contents 15.6.19 <195: ADF special standard-sized paper: LTR_R misidentification-ready> ..............15-26 15.6.20 <196: Shading Target Value (Red)> ............................ 15-26 15.6.21 <197: Shading Target Value (Green)>..........................15-26 15.6.22 <198: Shading Target Value (Blue)> ........................... 15-26 15.6.23 <213: XYZ correction value (X) of standard white plate> (if equipped with SEND functions)) ........15-27 15.6.24 <214: XYZ correction value (Y) of standard white plate>...
  • Page 207 Contents 15.7.3.1 Special Standard-sized Paper Compatibility ............................15-33 15.8 Network Parameter Settings (NETWORK) ......................15-34 15.8.1 Confirmation of contents of CA certificate..........................15-34 15.9 Setting of System Functions (SYSTEM) .........................15-34 15.9.1 Bit Switch Settings ................................. 15-34 15.10 Registration of Accessories (ACC)........................15-34 15.10.1 Accessory Registration.................................
  • Page 208: Outline

    15.1.1 Outline of Service Mode 0018-0183 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The items that follow may be checked/set using the machine's service mode, which is designed the way the service mode used in fax machines is designed in terms of contents and operation.
  • Page 209: Using The Mode (Touch Panel Type)

    Makes various status checks, such as contact sensor, sensor and print status. 15.1.2 Using the Mode (Touch Panel Type) 0018-0184 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 <Operation at the time of Bit SW> <Operation at the time of Parameter>...
  • Page 210 Chapter 15 #SSSW Initial setting Function SW15 - SW24 not used SW25 00000000 report indication resolution setting SW26 - SW27 not used SW28 00000000 V.8/V.34 protocol settings SW29 not used SW30 00000000(JPN)/ Assigning a New Dial Tone Detection Method 00000011(EURO)/ 00000001(Other country/region) SW31- SW32 not used...
  • Page 211 Chapter 15 #NUMERIC Param. Initial setting Range of setting Function 019: 200 (2000ms) (0 - 999) pseudo RBT signal pattern: OFF time (long) setting 020: 100 (1000ms) (0 - 999) pseudo CI signal pattern: ON time setting 021: 0 (0ms) (0 - 999) pseudo CI signal pattern: OFF time (short) setting 022:...
  • Page 212 Chapter 15 #SCAN Initial setting Range setting Explanation #SCAN 001: - 023: Not used NUMERIC 024: 300 to 450, one CIS scan position during ADF scanning. unit=0.1mm 026: 6 to 48, one Distance from the standby position of CIS to the shading start point. unit=0.1mm 027: - 030: Not used...
  • Page 213 Chapter 15 #PRINT Initial setting Range setting Explanation #PRINT SW SW01 - SW04 Not used SW05 10000000 Horizontal scanning priority record SW06 - SW13 Not used SW14 00000000 Special mode setting SW15 00000000 Delivery setting SW16 - SW17 SW18 Fixing temperature adjustment resolution setting SW19 - SW50 Not used #PRINT...
  • Page 214 Chapter 15 #PRINT Initial setting Range setting Explanation #PRINT CST 0: G_LTR Paper size group U1 special, standard-size paper entry 29: A-LTR 31: G-LTR 40: 8K 0: FLSP Paper size group U2 special, standard-size paper entry 24: FLSP 26: OFI 27: E-OFI 28: B-OFI 36: A-OFI...
  • Page 215 Chapter 15 #LMS Item Function INACTIVE Not used ERACE Not used #REPORT Setting Function #REPORT SW Not used #REPORT OUTPUT SERVICE DATA LIST Output of service data list SYSTEM DATA LIST Output of system data list SYSTEM DUMP LIST Output of system dump list COUNTER LIST Output of counter list ERROR LOG LIST...
  • Page 216: Service Soft Switch Settings (Sssw)

    15.3.1.1 Bit Switch Composition 0018-0186 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The items registered and set by each of these switches comprise 8-bit switches. The figure below shows which numbers are assigned to which bits. Each bit has a value of either 0 or 1.
  • Page 217: Detailed Discussions Of Bit 0

    Chapter 15 15.3.2.2 Detailed Discussions of Bit 0 0018-0189 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Selects whether or not service error codes are output. When output is selected, service error codes is report. 15.3.3 SSSW-SW03 15.3.3.1 List of Functions...
  • Page 218 15.3.4.3 Detailed Discussions of Bit 3 0018-0194 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Use it to select an appropriate reception mode after transmission of the CFR signal. If errors occur frequently at time of reception because of the condition of the line, select 'high speed' for reception mode and, at the same time, selects 'do not receive' for 'ECM reception.'...
  • Page 219 15.3.5.3 Detailed Discussions of Bit 2 0018-0202 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Use it to enable/disable millimeter/inch conversion in sub scanning direction for images read in text/photo mode while bit 1 is set to '1'. Scanning direction in conversion follows the Bit 2 setting of SW14.
  • Page 220 Chapter 15 15.3.7 SSSW-SW13 15.3.7.1 List of Functions 0018-0204 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-15-9 Function not used not used Convert "inch" into "mm" when transmitting the received convert do not convert image data not used not used...
  • Page 221 15.3.9.2 Detailed Discussions of Bit 0 0018-0210 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Transmitted telephone number could be selected on the report indication after the transmission. If the "Initiation number" is selected, report will indicate the telephone number of the initiation side.
  • Page 222 15.3.10.5 Detailed Discussions of Bit 3 0018-0216 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Select whether to declare the V.8 protocol in DIS signal for reception. If NO is selected, the V.8 protocol cannot be used because it is not declared in DIS signal.
  • Page 223 15.3.12.2 Detailed Discussions of Bit 0 0018-0222 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Use it to specify whether B4 paper (Print) should be counted as large-size paper. If 'yes' is selected, B4 paper will be counted as large-size paper.
  • Page 224: Menu Switch Settings (Menu)

    Chapter 15 15.3.13.2 Detailed Discussions of Bit 0 0018-0227 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 You can select whether a waste toner full warning is to be displayed. When "1" is selected, a waste toner full warning is displayed.
  • Page 225: 010 Frequency Of The Pseudo Ci Signal

    15.4.7 <No.010 Frequency of the pseudo CI signal> 0018-0235 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 You may select a frequency for the pseudo CI signal. Some types of external telephones do not ring when the fax/tel switch-over function is ON. To sound the ring, change the pseudo CI signal.
  • Page 226: 006: Ncc Pause Length (Post-Id Code)

    15.5.4 <006: NCC pause length (post-ID code)> 0018-0239 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Use it to set the length of the pause automatically entered between ID code and telephone number of the other party when the NCC (New Common Carrier) line is used for dialing.
  • Page 227 Chapter 15 Use it to confirm the count type indicated on the Counter Check screen, which appears in response to a press on the Counter key. When '0' is selected, count type will not be indicated. No.56: Use it to indicate the type of software counter 1 of the control panel. The type of soft counter 1 cannot be changed. No.57: Use it to change the type of soft counter 2* of the control panel to suit the needs of the user.
  • Page 228 Chapter 15 Seri Counter type Print system Bk 1-sided L Bk 1-sided S Bk 2-sided L Bk 2-sided S Local Repo Local Repo Local Repo Local Repo coun copy print print copy print print copy print print copy print print print print print...
  • Page 229 Chapter 15 Seri Counter type Print system Bk 1-sided L Bk 1-sided S Bk 2-sided L Bk 2-sided S Local Repo Local Repo Local Repo Local Repo coun copy print print copy print print copy print print copy print print print print print...
  • Page 230: Scanner Function Settings (Scanner)

    Remote scan (Bk) Transmission scan/E-mail Transmission scan/E-mail (Bk) 15.6 Scanner Function Settings (SCANNER) 15.6.1 Setting of Bit Switch 0018-0253 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 <SCAN SW SSSW01> T-15-19 Function Not used Not used Not used Not used...
  • Page 231 Chapter 15 Function Default Setting range Unit 031: Vertical scan start position adjustment 0-70 one unit=0.1mm 032: Horizontal scan start position adjustment 50-150 one unit=0.1mm 033: Vertical scan magnification correction 0-32 one unit=0.1% 034: Not used 035: - 036: Reader motor speed adjustment 037: - 040: Not used 041:...
  • Page 232: 024:Cis Scan Position During Adf Scanning

    15.6.3 <024:CIS scan position during ADF scanning> 0018-0255 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 This value is used when automatic scan position adjustment (TESTMODE>"2"SCAN TEST>"3"SHEET POS ADJ) fails. 15.6.4 <026:Distance from the standby position of CIS to the shading start point>...
  • Page 233 15.6.13 <045: Horizontal scan end position correction (fine:scanning on ADF)> 0018-0266 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Adjust the position at which horizontal scanning of a FAX document scanned in fine mode ends. The larger the adjustment value, the narrower the bottom margin of the image becomes.
  • Page 234: 214: Xyz Correction Value (Y) Of Standard White Plate> (If Equipped With Send Functions)

    15.6.23 <213: XYZ correction value (X) of standard white plate> (if equipped with SEND functions)) 0018-0278 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 If you replaced the image processor PCB, enter values indicated on the service label. If you have replaced the document glass, enter values indicated on the new document glass and write the values on the service label.
  • Page 235: Sssw-Sw14

    15.7.1.1.2 Detailed Discussions of Bit 7 0018-0283 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Use it to enable/disable placement of priority on recording in sub scanning direction. T-15-21 place: if B4 recording paper and A4 recording paper are set and an A4 extra-long image (*) is received, printing will be on the B4 recording paper.
  • Page 236 15.7.1.2.5 Detailed Discussions of Bit 3 0018-0289 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Select whether to enable or disable post-rotation reduction mode. Selecting "Enable" will reduce the noise caused by the polygon motor by stopping the motor immediately after post-rotation.
  • Page 237 15.7.1.3.4 Detailed Discussions of Bit 2 0018-0296 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Select whether to display a tray full message when the maximum allowable stapled document count is exceeded with a finisher installed. Select "Enable" not to display the message.
  • Page 238: 031: Top Registration Adjustment (Manual Feed Tray)

    15.7.2.2 <031: Top registration adjustment (manual feed tray)> 0018-0304 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Adjust the top registration margin of paper picked from a manual feed tray. The larger the adjustment value, the wider the top margin of the image becomes.
  • Page 239: 038: Left-End Registration Adjustment (Cassette 4)

    15.7.2.9 <038: Left-end registration adjustment (cassette 4)> 0018-0311 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Adjust the left-end registration margin of paper picked from cassette 4. The larger the adjustment value, the wider the left-end margin of the image becomes.
  • Page 240: 063:Temperature Adjustment Up/Down Mode. (For Rough Paper)

    15.7.2.23 <063:Temperature adjustment UP/DOWN mode. (For rough paper)> 0018-0325 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 For rough paper relation, the volume of the temperature adjustment offset could be changed by 5 deg C at a time to aim the fixed temperature.
  • Page 241: Network Parameter Settings (Network)

    15.8 Network Parameter Settings (NETWORK) 15.8.1 Confirmation of contents of CA certificate 0018-0356 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Selecting the service mode "#NETWORK>#CERTIFICATE>#CA-CERTIFICATE" enables confirmation of the contents of the installed CA certificate. 15.9 Setting of System Functions (SYSTEM) 15.9.1 Bit Switch Settings...
  • Page 242: License Management (Lms)

    15.11.1 Outline 0018-0359 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 LMS (License Management Service) License Management System is to acquire a figure row from sending the information of the license certificate number, which is in the same package as option product, machine serial number and the name of the main machine to the server that has a license issue function on the Internet.
  • Page 243: Inactivity Of The Transmitted License

    BIT 09: BDL-IMAGE( 600) -> CARPS2 15.11.3 Inactivity of the transmitted license 0018-0361 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Inactivity of the transmitted license Situation of using this service mode This service mode is to be used exceptionally on the assumption that when malfunction occurs on the device (caused by device) and the license to be transferred to the substitute device and to inactivate the license.
  • Page 244: Erds Parameter Settings (E-Rds)

    Chapter 15 15.12 eRDS Parameter Settings (E-RDS) 15.12.1 Settings Related to e-RDS 0018-0363 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Settings related to e-RDS are described below. T-15-27 Item Description E-RDS SWITCH e-RDS OFF/ON setting (0:OFF / 1:ON)When used (ON), the counter information and error information are sent to UGW.Default: 0 (OFF)
  • Page 245: Report Output (Report)

    Manual feed tray separation pad paper pass count 150,000 15.13.2 Clearing Counters 0018-0365 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 - Maintenance/parts counter all clear Execute service mode > CLEAR > COUNTER to clear all maintenance/parts counters. - Counter clear on parts replacement Press the numeric keypad key 0 after displaying the counter for a part just replaced, and the counter will be cleared individually.
  • Page 246: System Dump List

    ----- ----- F-15-8 15.14.3 System Dump List 0018-0368 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 - System Dump List Use it to check the history of communications, both successful and error. F-15-9 *1: TX, number of total pages transmission.
  • Page 247: Counter List

    *8: RX, procedural signal received; TX, procedural signal transmitted. 15.14.4 Counter List 0018-0369 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Explanation: Maintenance/supplies counter output. (For more detailed information about the maintenance/supplies counter output, execute service mode > Display counter information > Counters.) 15.14.5 Error Log List...
  • Page 248 Chapter 15 07/12/2005 13:07 FAX *************************************** *** JAM/ERR LOG REPORT *************************************** [1] [2] [3] [4] [5] [6] [8] [9] [10] 01 04/12 12:17 20:03 4 0012 000026 1 A4 20 04/12 12:17 20:03 4 0012 000026 1 A4 [1] [2] [3] [4] [5] 01 04/12 12:17 15:36 3 0010 0000 000691...
  • Page 249: Spec List

    Error code (4-digit code; for a definition of the code, see the "Error Code" Chapter.) Detail code Detail code of the error code (4-digit code; for a definition of the code, see the "Error Code" Chapter.) Total counter display 15.14.6 Spec List 0018-0371 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 15-42...
  • Page 250 Chapter 15 07/12/2005 13:07 FAX ***************************** *** SPEC REPORT ***************************** _ _ _ _ _ TYPE JAPAN _ _ _ _ _ LBP SPEED 25cpm _ _ _ _ _ TOTAL MEMORY 256MB _ _ _ _ _ MAIN WLaa-08-01 _ _ _ _ _ OPTION WLaa-08-01...
  • Page 251 Chapter 15 07/12/2005 13:07 FAX _ _ _ _ _ BIT 05: BW-SEND OFF / OFF _ _ _ _ _ BIT 06: CL-SEND OFF / OFF _ _ _ _ _ BIT 07: PAF OFF / OFF _ _ _ _ _ BIT 08: BDSS / OFF _ _ _ _ _...
  • Page 252: Service Label

    Chapter 15 15.14.7 Service Label 0018-0372 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Enter the value given in the service label affixed to the rear cover when it has been replaced with a new one. #PRINT>#PRINT NUMERIC #SCAN>#SCAN NUMERIC...
  • Page 253: Download (Download)

    15.15 Download (DOWNLOAD) 15.15.1 Download 0018-0375 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 The following parts of this unit can be upgraded by executing download mode using the service support tool (SST) (for more information, see the "Upgrading" section):...
  • Page 254: Error Display (Error Display)

    15.17.1 Error Display 0018-0377 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 An error code is displayed when a service error has occurred. The E code is displayed in the upper step, and the detail code is displayed the bottom step.
  • Page 255 Chapter 15 Numerals enclosed in parentheses denote a numeric keypad key to be pressed each. Group Subgroup Item 1 Item 2 Item 3 Explanation (1) SHADING Automatic gain adjustment (3) SHEET POS ADJ CS position adjustment (4) TRASH DETECT Dust detection (5), (6), (9), (*) Not used (3) PRINT TEST [1] - [9]...
  • Page 256 15.19.2 DRAM Test 15.19.2.1 D-RAM Test<(1) D-RAM TEST> 0018-0381 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 D-RAM Test((1) D-RAM) Press the numeric keypad key 1 on the test mode menu to select the D-DRAM test. Press numeric keypad keys 1 and 2 during the D-DRAM test to carry out the individual tests described below.
  • Page 257: Dram Test

    15.19.3 Scan Test 15.19.3.1 Scan Test ((2) SCAN TEST) 0018-0382 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Scan test ((2) SCAN TEST) Press the numeric keypad key 2 on the test mode menu to select the CCD test. Press numeric keypad keys 1, 3 and 4 during the CCD test to carry out the individual tests described below.
  • Page 258: Modem Test

    15.19.5.1 Modem Test ((4) MODEM TEST) 0018-0384 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 MODEM test((4) MODEM TEST) These tests test modem and NCU transmission and reception. The modem tests check whether signals are sent correctly from the modem by comparing the sound of the signals from the speaker with the sounds from a normal modem.
  • Page 259 Chapter 15 Numeric keypad key 2 The input key and relay are shown below: RELAY TEST2 OFF OFF OFF OFF OFF OFF OFF [4] [5] F-15-19 The touch panel (LCD) is turned on or off in relation to the transmission of the relay operation signal as is operated on the keypad; for this reason, you cannot use the touch panel (LCD) to check a fault on a single relay.
  • Page 260: Faculty Test

    15.19.6 Faculty Test 15.19.6.1 Function Test ((6) FUNCTION TEST) 0018-0385 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Function test ((6) FUNCTION TEST) Press the numeric keypad key 6 on the test mode menu to select the function test. Press numeric keypad keys 1 and 3 to 9 during the function test to enter the menus listed below.
  • Page 261 Chapter 15 T-15-33 Keypad Item Explanation G3 signal transmission test Transmits 4800-bps G3 signals to a telephone line and speaker. Not used Sensor test Sensor actuation test ADF test ADF operation test Book test Host machine operation test Speaker test Speaker operation test Not used Lamp test...
  • Page 262 Chapter 15 6-3:SENOR [1] - [6] Press numeric keypad key 1. Press numeric keypad key 0. Press numeric keypad key 0. SENSOR CHECK SENSOR NORMAL CAS 0 REG 0 0:NORMAL 1:LATCH [0] - [2] DEL 0 0 MULTI 0 Select a sensor mode. CAS:Cassette 1 paper sensor (SR204): 0/Document presence, 1/Document absence 0: NORMAL REG:Registration sensor (SR209): 0/Document presence, 1/Document absence...
  • Page 263 Chapter 15 Press numeric keypad key 4. REF xxx ANT xxx |ANT - LEF| xxx REF: Toner reference voltage (A/D value) ANT: Toner antenna voltage (A/D value) ANT - LEF: Differential voltage (A/D value) Press numeric keypad key 5. BSCT on BDOC[A3 ] BDSS3-0 [of of of of]...
  • Page 264: Cleaning Mode

    15.19.7.1 Roller cleaning mode ((0) ROLLER CLEAN) 0018-0386 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Roller cleaning mode ((0) ROLLER CLEAN) Press numeric keypad key 0 in test mode to select roller cleaning mode. Press numeric keypad keys 1 and 2 during this test to enter the following menus: Numeric keypad key 1 Press the start key clean the ADF pickup/feed rollers by idling.
  • Page 265 Chapter 16 Upgrading...
  • Page 266 Contents Contents 16.1 Outline ..................................16-1 16.1.1 Overview of Upgrade ................................16-1 16.1.2 Overview of Service Support Tool............................16-1 16.2 Making Preparations..............................16-2 16.2.1 Registering the System Software ............................. 16-2 16.2.2 Connection ....................................16-4 16.3 Downloading System Software ..........................16-4 16.3.1 Downloading the System Software ............................
  • Page 267: Outline

    16.1.1 Overview of Upgrade 0018-0120 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 This machine and options can be upgraded by downloading system software programs from the personal computer (hereafter called as the PC) in which a service support tool (hereafter called SST) has been loaded.
  • Page 268: Making Preparations

    16.2 Making Preparations 16.2.1 Registering the System Software 0018-0123 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 System software programs to be downloaded need to be registered in the SST. The system software programs are registered with the names listed below.
  • Page 269 Chapter 16 5) Select the drive in which the system CD is inserted, and then click the "SEARCH" button. F-16-3 6) A list of system software programs contained in the system CD is displayed. Uncheck the checkboxes of unnecessary folders and system software programs, and then click the "REGISTER"...
  • Page 270: Connection

    16.2.2 Connection 0018-0124 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 1) Turn off the main power switch of this machine, and then disconnect the cables connected to this machine. 2) Connect USB connector on the back of this machine to the PC using the USB cable [1].
  • Page 271 Chapter 16 1) Turn on the power switch of the PC and start SST. 2) When the power switch is turned on, the Found New hardware Wizard appears. Click "Cancel". F-16-7 3) Select "MFP" in "Target Selection", and then select "MF7400_iR2030" in "Model List". F-16-8 4) Double-click the "System"...
  • Page 272 Chapter 16 7) Using , select "#DOWNLOAD". 8) Press the OK key on the control panel to place the host machine in the downloading wait mode (No indicated on LCD). 9) Press the OK button on the SST screen displayed on the display of the PC. F-16-10 10) When connection is complete, the following screen appears.
  • Page 273 Chapter 16 11) Click "System Software Download" on the Selecting a Job screen. MEMO: This machine does not use the "Upload the Backup Data" and "Download the Backup Data" functions not displayed on the Selecting a Job screen. F-16-12 12) Select the version of the system software to download from the list. Check that the selected version is displayed in "Selected Version", and then click the "START"...
  • Page 274 Chapter 16 13) When downloading starts, the progress of downloading is displayed by the progress bar. F-16-14 14) While the received data is being written to the flash ROM after completion of downloading, the following screen is displayed: F-16-15 Never turn off the power switch of the machine while the data is being written to the flash ROM. If it becomes impossible to start this machine after turning its power switch off, the image processor PCB must be replaced.
  • Page 275 Chapter 16 15) When writing of the data to the Flash ROM is complete, its result is displayed. Click the OK button. F-16-16 16) When the Selecting a Job screen appears, click "Return to Main Menu". F-16-17 16-9...
  • Page 276: Downloading The Boot Software

    F-16-19 16.3.2 Downloading the Boot Software 16.3.2.1 Downloading Procedure 0018-0127 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 To download the boot software, use the steps given for the system software. 16.3.3 Downloading the Language Module 16.3.3.1 Downloading Procedure 0018-0126 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 To download the language software, use the steps given for the system software.
  • Page 277: Downloading The Ca Certificate

    16.3.4.2 Downloading the CA certificate 0018-0132 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 - Unless you want to change the CA certificate stored on your computer, your CA certificate will be released and there is usually no need to download it.
  • Page 278 Chapter 16 3) Select "MFP" in "Target Selection", and then select "iR2018i" in "Model List". F-16-22 4) Double click the "CA-KEY" folder in "Model List" to confirm the version of the CA certificate. Select "USB" in "Interface", and then click the "START" button. F-16-23 5) Turn on the power switch of the host machine.
  • Page 279 Chapter 16 7) Using , select "#DOWNLOAD". 8) Press the OK key on the control panel to place the host machine in the downloading wait mode (No indicated on LCD). 9) Press the OK button on the SST screen displayed on the display of the PC. F-16-24 10) When connection is complete, the following screen appears.
  • Page 280 Chapter 16 11) Click "CA_KET Download" on the Selecting a Job screen. F-16-26 12) Select the version of the system software to download from the list. Check that the selected version is displayed in "Selected Version", and then click the "START"...
  • Page 281 Chapter 16 13) When downloading starts, the progress of downloading is displayed by the progress bar. F-16-28 Never turn off the power switch of the machine while the data is being written to the flash ROM. If it becomes impossible to start this machine after turning its power switch off, the image processor PCB must be replaced.
  • Page 282 Chapter 16 15) When the Selecting a Job screen appears, click "Return to Main Menu". F-16-30 16) Click the "OK" button to return to the menu screen of SST. F-16-31 17) In Service Mode, open #NETWORK > #CERTIFICATE > #CA-CERTIFICATE and check if the information recorded there is the same as the CA certificate you downloaded.
  • Page 283 Chapter 17 Service Tools...
  • Page 284 Contents Contents 17.1 Service Tools ................................17-1 17.1.1 Special Tools .................................... 17-1 17.1.2 Oils and Solvents..................................17-1...
  • Page 285: Service Tools

    Chapter 17 17.1 Service Tools 17.1.1 Special Tools 0018-0133 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 In addition to the standard tools set, you will need the following special tools for servicing of the machine: Tool name Tool No.
  • Page 286 Chapter 17 17.1.2 Oils and Solvents imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 T-17-1 Name Uses Composition Remarks Alcohol cleaning; e.g., fluoride-family hydrocarbon - Do not bring near fire. glass, plastic, alcohol - Procure locally. rubber; external surface activating agent...
  • Page 287 APPENDIX Contents 1 General Timing Chart ..........................1 At Time of Printing..........................1 Reader Unit ............................2 2 General Circuit Diagram......................... 3 General Circuit Diagram ........................3...
  • Page 288 1 General Timing Chart At Time of Printing imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 2 Prints, Continuous, Cassette 1 Main power switch ON Print command received WAIT STBY INTR PRINT LSTR STBY Main motor (M204) Fixing motor (M201)
  • Page 289 Reader Unit imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Basic Sequence of Operation (in response to a press on the start key; book mode; 1 original) Shading correction Start key STBY SCFW SCRW STBY Reader motor (M401) CISHP sensor...
  • Page 290 2 General Circuit Diagram General Circuit Diagram 1 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Left Door Switch Fixing Unit Scanner Unit FILM BIAS Fixing Film Speed Sensor Fixing Delivery Sensor M203 Main SR202 Thermistor Thermistor Polygon Mortor SR101...
  • Page 291 General Circuit Diagram 2 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Main Motor Humidity Sensor PCB M204 To 1-Cassette Unit To Heater PCB To Finisher To Inner 2Way Tray Controller PCB J280 J259 9 10 J208 J204 J220 J222...
  • Page 292 General Circuit Diagram 3 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Reader Unit Power Supply PCB (2/3) J460 To ADF Unit J402 J401 J412 J411 J410 J408 Copyboard Cover Copyboard Cover Open/Closed Sensor Reader Motor CIS HP Sensor Open/Closed Sensor...
  • Page 293 General Circuit Diagram 4 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Soft-ID PCB DC Controller PCB (3/3) Card Reader Network Board J207 J1300A J1300B J1930 J1300WH 14 13 12 11 10 9 J304WH 9 10 11 12 13 14...
  • Page 294 General Circuit Diagram 5 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 To Coin Vendor To RS232C PCB (USA Coin Vendor) J1920 11 10 9 J1940 Counter PCB J1501 J1501 Serial PCB A1 A2 A3 A4 A5 A6 A7 A8...
  • Page 295 General Circuit Diagram 6 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Image Processor PCB (4/5) +3.3V +3.3V MEM_DQ23 MEM_DQ23 MEM_DQ0 N.C. MEM_DQ0 N.C. N.C. MEM_DQ22 N.C. MEM_DQ22 MEM_DQ1 MEM_DQ1 N.C. N.C. MEM_DQ2 N.C. MEM_DQ2 N.C. N.C. MEM_DQ21 N.C. MEM_DQ21...
  • Page 296 General Circuit Diagram 7 (Touch panel type) imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Image Processor PCB (5/5) J318 Touch Panel Key Switch PCB C J1709 Key Switch PCB J1708 J1703 J1700 -24VEE VLCD /ESS-KEY L-RTN2 L-DGT2 Control Panel CPU PCB...
  • Page 297 General Circuit Diagram 8 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Feed Motor Reversal Motor Duplex Paper Duplex Paper Sensor 1 (Upper) Sensor 2 (Lower) SR1002 SR1003 M1001 M1002 J273 J274 Duplex Flapper Solenoid SL1001 J275 J276 J1002 J1003...
  • Page 298 General Circuit Diagram 9 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 To DC Controller PCB J220 SW14 SW13 Cassette 2 Size Detection Switch SW12 SW11 J700 +24V Cassette 2 Pickup Solenoid SL1_ON 1-Cassette Unit Controller PCB CSPLED1 Connect to Triple Option Cassette...
  • Page 299 General Circuit Diagram 10 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 To Finisher To 2-Cassette Unit Controller PCB Option Power Supply PCB To Power Supply PCB To Power Supply PCB F-2-10...
  • Page 300 General Circuit Diagram 11 imageCLASS MF7460 / imageCLASS MF7470 / imageCLASS MF7480 Reader Heater 1 Reader Heater 2 J1912 J1914 J1911 J1913 J1903 Heater PCB J1902 J1901 J1905 +24V J224 SW100 To DC Controller PCB To Power Supply Unit Cassette 1 Heater...

This manual is also suitable for:

Imageclass mf7470Imageclass mf7480