Oki MB471 Manuals

Manuals and User Guides for Oki MB471. We have 1 Oki MB471 manual available for free PDF download: Maintenance Manual

Oki MB471 Maintenance Manual

Oki MB471 Maintenance Manual (302 pages)

Brand: Oki | Category: All in One Printer | Size: 28 MB

Table of Contents

Table of Contents

4
- 1 Configuration
  8
  - System Configuration
    9
  - Structure of MFP
    10
  - Offer of Options
    11
  - Specifications
    12
    
    Printer Section Specifications
    16
    
    Network Specifications
    17
    
    Copy Function
    18
    
    Fax Specification
    24
    
    Internet Fax
    26
    
    Report Print
    27
    
    Print from Usb Memory
    28
  - Interface Specifications
    32
    
    Usb Interface Specification
    32
    
    Network Interface Specification
    33
    
    Usb Host Interface
    34
    
    Wireless Lan Interface(Mb451W/Mb471W)
    35
Operational Explanation

36
- Electrophotographic Process Mechanism
  37
- Printing Process
  41
- Toner Entrance Detection
  44
  - Toner Sensor Detection Principle
    44
  - Toner Count Principle
    44
- Image Scanning Process
  45
  - Structure and Process of RADF
    45
    
    Cross-Section View
    45
    
    Electrical Configuration
    45
    
    Fundamental Operations
    46
    
    Document Detection
    49
    
    Jam Detection
    50
  - Document Table Structure
    50
    
    Overview
    50
    
    Carraige-Assy Drive Mechanism
    51
    
    Exposure Block
    51
Mfp Installation

52
- Precautions and Prohibition
  53
- MFP Unpacking Procedure
  54
- MFP Installation Instructions
  55
- Packed Units and Attachments
  56
- Assembly Procedure
  57
  - MFP Main Body
    57
  - Loading Documents on the Document Glass
    64
  - Power Cable Connection
    65
  - Installation of Optional Components
    67
  - Second Tray Unit
    67
- Configuration
  71
- Network Information Print
  73
- Connection Procedures
  74
- Checking of User Paper
  78
- 4 Replacement of Parts
  
  79
  - Notes on Replacement of Parts
    80
  - Maintenance Tools
    81
  - Part Replacement Procedure
    82
    
    Cover Side (L)
    82
    
    Cover Side(R) / SD Card
    83
    
    Board 98M
    84
    
    PWR Unit
    85
    
    Cover Stay(R) / Cover Stay(L)
    87
    
    Cover Front (Top)
    88
    
    SW Assy
    89
    
    Scanner Unit
    90
    
    Tray-Assy-Document / Cover-ADF-R-Assy
    92
    
    ADF-Unit
    93
    
    Sheet-Document / Paper-Weight-Assy / Spring-PW-ADF
    94
    
    Hinge-Assy-L / Hinge-Assy-R
    95
    
    Cover-ADF-F / Guide-Assy-Exit-Sub / ADF-Assy / ADF Board (MHD)
    96
    
    Cover-Assy-Top-ADF / Guide-Assy / Roller / Motor / Clutch / Solenoid
    98
    
    Cable (ADF-Rev SNS)
    99
    
    Guide-A-Sub / Frame-Assy-Separator / Spring-Separator / Rubber-Friction
    99
    
    Cable (ADF-Reg SNS)
    100
    
    Frame-Assy-OP
    100
    
    Frame-OP-Panel / OPE Board (Except MB441/MB461/MB461+LP/ES4161 MFP)
    101
    
    Frame-OP-Panel / OPE Board (MB441/MB461/MB461+LP/ES4161 MFP)
    102
    
    LCD-Assy
    103
    
    Frame-Assy-FB
    104
    
    How to Remove Battery (SU Board MHE)
    106
    
    Frame-Assy-Hopping-ADF
    107
    
    Plate Stay L / Plate Assy Stay R
    108
    
    Frame-Assy-TR
    109
    
    LED Head
    109
    
    DC Motor
    110
    
    Duplex Belt Assy
    110
    
    Hopping Clutch / MPT Clutch / Regist Clutch
    112
    
    HV-Board / Motor-FAN
    115
    
    Cover Assy Stacker
    116
    
    Stacker Cover
    118
    
    Fuser Assy
    119
    
    MPT Assy, Manual Assy
    122
    
    Cover Assy Rear
    123
    
    Guide Eject Lower Assy
    126
    
    Eject Motor
    127
    
    Plate Side R Assy / Plate Side L Assy / Front Assy
    128
    
    Plate Side L Assy
    129
    
    Plate Side R Assy
    130
    
    Front Assy
    131
    
    Roller Feed Assy
    131
    
    Lever in Sensor / Lever WR Sensor / Photo Interrupter
    132
    
    Paper Feeding Roller (Roller-Pick-Up, Roller-Feed-NOW, Roller-Assy-MPT)
    133
    
    Frame-Assy-Retard, Spring-Retard
    135
    
    W-LAN Board ( for Mb471W Only)
    136
- 5 Lubrication Point
  
  139
  - Printer
    140
  - Scanner
    148
Maintenance Menus

156
- Maintenance Menu
  157
- Service Menu
  157
- Service Bit Menu
  165
- Maintenance Utility
  166
  - Maintenance Utility
    167
  - Self-Diagnostic Mode
    168
  - Ordinary Self-Diagnostic Mode (Level)
    171
  - Switch Pressing Function When Power Supply Is Turned on
    183
  - Settings after Parts Replacement
    184
  - Precautions Prior to Repair
    194
  - Items to be Checked Prior to Taking Action on Abnormal Images
    194
  - Precautions When Taking Action on Abnormal Images
    194
  - Preparations for Troubleshooting
    194
  - Troubleshooting Method
    195
    
    Lcd Messages List
    195
    
    Service Call List
    224
    
    Fax Error List
    228
    
    Email/Internet FAX/FAX Server Error List
    229
8.5.5 Preparing for Troubleshooting

230
- Preparing for Troubleshooting
  230
- LCD Display Trouble
  231
  - LCD Displays Nothing
    231
  - Display of OKI Logo
    232
  - Error Message Display
    232
- Abnormal MFP Operation after Powered on
  232
  - No Operation
    232
  - Abnormal Sound
    234
  - Abnormal Odor
    235
  - Slow Starting Time
    235
    
    Checking Error Messages
    236
    
    Clearing Paper Jams
    236
    
    Paper Jams
    236
- Paper Feed Jam (Error Code 391: 1St Tray)
  246
  - Does a Jam Error Occur When Turning on the Power
    246
  - Jam Occurs Immediately after the Paper Feed Is Started. (1St Tray)
    246
- Feed Jam (Error Code 380, 381)
  247
  - Jam Occurs Immediately after the Power Is Turned on
    247
  - Jam Occurs Immediately after the Paper Feed Is Started
    247
- Paper Feed Jam (Error Code 390: Multipurpose Tray)
  248
- Paper Running Jam (Error Code 381:)
  250
  - Jam Occurs Immediately after the Power Is Turned on
    250
  - Jam Occurs Immediately after the Paper Feed Is Started
    250
- Two-Sided Printing Jam (Error Code: 370, 371, 372, 373, 383)
  250
  - Two-Sided Printing Jam
    250
- Fuser Unit Error (Error 170 to 177)
  251
  - Error Occurs Immediately after the Power Is Turned on
    251
  - Error Occurs Approx. 1 Minute after the Power Is Turned on
    251
- Paper Size Error (Error Code 400)
  251
- Motor Fan Error (Error Code 120, 127, 128)
  252
  - The Low Voltage Power Supply Fan Does Not Rotate Immediately after the Power Is Turned on
    252
  - All Fans of the Printer Do Not Rotate
    252
- Print Speed Is Slow. (Performance Is Low.)
  252
  - Print Speed Decreases
    252
- LED Head Cannot be Recognized. (Error Code 131, 132, 133, 134)
  253
  - Service Call 131 to 134 (LED HEAD Missing)
    253
- Option Unit Cannot be Recognized
  253
  - Option Try Unit Cannot be Recognized
    253
- Toner Cartridge Cannot be Recognized. (Error Code 540, 541, 542, 543)
  254
- Fuse Cut Error (Error Codes 153 to 155)
  255
- Humidity Sensor Error (Error Code 123)
  256
  - Print Troubleshooting
    257
  - Response after Flash Compulsive Initialization
    262
  - Copy Image Abnormality Error Troubleshooting
    262
  - Network Troubleshooting
    263
  - Wireless Troubleshooting
    264
  - Fuse Checking
    265
  - Check of Resistance Values
    267
  - Layout of Parts
    269
  - Firmware Information
    278
    
    Instruction of Fw Update
    278
    
    Rom Control Numbers
    278
    
    Checking and Indication of the Revision Number
    279
    
    Stamp of Maintenance Board Indication
    279
- 10 Appendix
  281
  - List of Initialized Range
    282
  - Maintenance Manual for Second Tray Unit
    289
  - Overview
    289
    
    Exterior and Parts Name
    289
    
    Function
    289
  - Description for Operation of Second Tray Unit
    290
  - Part Replacement
    291
    
    Precautions on Replacing Parts
    291
    
    Arrangement of Parts
    292
    
    How to Replace Parts
    293
  - Cleaning of Paper Feed Roller and Separation Roller
    299
  - Procedure for Troubleshooting
    300
    
    Precautions for Troubleshooting
    300
    
    Preparation before Troubleshooting
    300
  - Connection Diagram
    301
    
    Board Arrangement
    301

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