Oki B420 Manuals

Manuals and User Guides for Oki B420. We have 2 Oki B420 manuals available for free PDF download: Maintenance Manual, Safety & Warranty

Oki B420 Maintenance Manual

Oki B420 Maintenance Manual (171 pages)

Brand: Oki | Category: Printer | Size: 8.39 MB

Table of Contents

Table of Contents

4
- Maintenance Manual
  1
- Configuration
  
  7
  - Printer Configuration
    8
  - Optional Configuration
    11
  - Specification
    12
  - Printing Display
    15
    
    Warning / Caution Display
    16
- Operational Explanation
  
  17
  - Printing Process
    24
  - Toner Entrance Detection
    28
- Parts Replacement
  
  30
  - Preparation for Parts Replacement
    30
  - Parts Layout
    32
3.3 Parts Replacement Method

37
- Parts Replacement Method
  37
  - LED Head
    38
  - Roller-Transfer
    39
  - 43984801TH Rev.1
    40
  - Cover Side-R (3.3.3)
    40
  - Cover-Side-L
    41
  - CU Board
    42
  - Motor-DC-Main (3.3.6)
    43
  - 3.3.7 OPE Cover-Assy
    44
  - Ope Board (3.3.8)
    45
  - MPT-Assy
    46
  - Front-Guide-Assy (3.3.10)
    47
  - Roller-Assy-Feed (3.3.11)
    48
  - Guide -Paper-Duplex (3.3.12)
    49
  - Stacker-Cover-Assy (3.3.13)
    50
  - Fuser-Assy (3.3.14)
    51
  - Rear-Cover-Assy
    53
  - Frame-Assy-Lower (3.3.16)
    54
  - High Voltage / Low Voltage Power Board
    56
  - Plate-Bracket-Motor
    57
  - 3.3.19 Roller-Back up
    58
  - Roller-Resist
    59
  - Lever-In-Sensor (3.3.21)
    60
  - Lever-Eject-Sensor/Photo-Interrupter (3.3.22)
    61
  - Lever-End/Lever-Duplex/Lever-Cassette/Gear-Assy-Clatch (3.3.23)
    62
  - Paper Feeding Roller (Roller-Pick-Up,Roller-Feed-Now,Roller-Assy-Mpt)
    64
- Adjustment
  
  66
  - Category and Function of Maintenance Mode
    66
    
    User Maintenance Mode (Administrator Menu)
    66
    
    System Maintenance Mode (System Maintenance Menu)
    71
    
    Engine Maintenance Mode
    76
    
    Environment Mode Setting
    84
    
    EEPROM Initialization
    85
  - Adjustment at Part Replacement
    86
    
    Eeprom Data Upload / Download Method
    86
- Periodic Maintenance
  
  87
  - Periodic Replacement Parts
    87
    
    Cleaning of Led Lens Array
    87
    
    Cleaning Page Function
    89
- Procedures for Repairing
  
  90
  - Points to be Checked before Modifying Printing Problems
    90
  - Points to be Checked When the Printing Problems Are Modified
    90
  - Preparation for Troubleshooting
    90
  - Troubleshooting Flow
    91
    
    Lcd Status Message/ Trouble Table
    91
    
    LCD Message Troubleshooting
    103
    
    Print Troubleshooting
    111
    
    Connection Diagram
    119
  - Board Layout
    120
  - Resistance Value
    134
- Appendix A Centronics Parallel Interface
  
  136
- Appendix B USB Interface
  
  143
- Appendix C Maintenance Manual for Second Tray Unit
  
  145
  - Exterior and Parts Name
    145
  - Description for Operation of Second Tray Unit
    146
  - Part Replacement
    147
    
    Precautions on Replacing Parts
    147
    
    Arrangement of Parts
    148
How to Replace Parts

149
- Roller-Pick-Up, Roller-Feed-Now
  150
- Guard-Connector, Connector(9715S-08Z02-G4C) (3.3.2)
  151
- Roller-Feed (3.3.3)
  152
- Board-OT7 (3.3.4)
  153
- CONN Cord-AMP8P-AMP8P (3.3.5)
  154
- Gear-Assy-Clatch (3.3.6)
  155
- Frame-Assy-Retard, Spring-Retard (3.3.7)
  157
- Cleaning of Paper Feed Roller and Separation Roller
  158
- Procedure for Troubleshooting
  159
  - Precautions for Troubleshooting
    159
  - Preparation before Troubleshooting
    159
  - Troubleshooting Method
    160
    
    LCD Status Message List
    161
- Connection Diagram
  163
  - Board Arrangement
    163
- Appendix D Network Interface
  165

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Oki B420 Safety & Warranty

Oki B420 Safety & Warranty (36 pages)

B410, B420, B430 Series Safety, Warranty, Regulatory Information (E,F,S,P)

Brand: Oki | Category: Printer | Size: 0.46 MB

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