Ricoh LP142CN Manuals

Manuals and User Guides for Ricoh LP142CN. We have 1 Ricoh LP142CN manual available for free PDF download: Service Manual

Ricoh LP142CN Service Manual

Ricoh LP142CN Service Manual (790 pages)

GESTETNER, LANIER, SAVIN

Brand: Ricoh | Category: Printer | Size: 14.01 MB

Table of Contents

Table of Contents

13
- Product Information
  
  21
  - Read this First
    23
  - Important Safety Notices
    23
  - Lithium Batteries
    26
  - Prevention of Physical Injury
    29
  - Health Safety Conditions
    29
  - Observance of Electrical Safety Standards
    30
  - Laser Safety
    31
- Product Information
  
  33
  - Specifications
    35
  - Machine Configuration
    36
  - Overview
    37
    
    Mechanical Component Layout
    37
    
    Paper Path
    38
    
    Drive Layout
    39
- Installation
  
  41
  - Installation Requirements
    43
    
    Environment
    43
    
    Machine Level
    43
    
    Machine Space Requirements
    44
    
    Power Requirements
    44
  - Optional Unit Combinations
    45
    
    Machine Options
    45
    
    Controller Options
    46
  - Printer Installation
    47
    
    Installation Procedure
    47
    
    Unpacking
    47
    
    Installing the Toner
    50
    
    Loading Paper
    52
    
    Selecting the Panel Display Language
    54
    
    Turning Power on
    54
    
    Meter Click Charge
    55
    
    Printing the Test Page
    55
    
    Settings Relevant to the Service Contract
    55
    
    Moving the Machine
    58
    
    Transporting the Machine
    58
  - Paper Feed Unit (M384)
    59
  - Caster Table (M393)
    61
    
    Accessory Check
    61
    
    For Installing the Caster Table (M393) Only
    62
    
    Installation Procedure
    62
    
    For Installing with the Paper Feed Unit (M384)
    66
  - Tray Heater
    69
    
    Component Check
    69
    
    Tray Heater (Mainframe)
    70
    
    Tray Heater (Optional Unit)
    71
    
    Component Check
    74
    
    For Installing the Tray Heater in M384
    75
    
    For Installing the Securing Bracket
    80
  - Controller Options
    83
    
    I/F Card Slots
    83
    
    Overview
    83
    
    Outline of SD Card Appli Move
    84
    
    Overview
    84
    
    Sd Card Appli Move
    84
    
    SD Card Slots
    84
    
    Move Exec
    85
    
    Undo Exec
    86
- Preventive Maintenance
  
  87
  - Maintenance Tables
    89
- Replacement and Adjustment
  
  91
  - Before You Start
    93
  - Special Tools
    94
    
    Tools
    94
  - Exterior Covers
    95
    
    Left Cover
    95
    
    Right Cover
    96
    
    Rear Cover
    97
    
    When Reinstalling the Rear Cover
    97
    
    Top Cover
    98
    
    When Reinstalling the Top Cover
    99
    
    Operation Panel
    100
    
    Inner Left Upper Cover
    101
    
    Inner Left
    102
    
    Inner Left Lower Cover
    103
    
    Inner Left Rear Cover
    103
    
    Inner Right
    104
    
    Inner Right Rear Cover
    105
  - Laser Optics
    106
    
    Before Removing the Old Laser Unit
    106
    
    Caution Decal Locations
    106
    
    Laser Unit
    106
    
    Recovery Procedure for no Replacement Preparation of Laser Unit
    107
    
    Removing the Laser Unit
    108
    
    After Installing a New Laser Unit
    109
    
    Laser Unit Fan
    110
    
    When Installing the Laser Unit Fan
    110
    
    Ldu Shutter Motor
    111
  - Image Creation
    112
    
    Pcdu (Photo Conductor and Development Unit)
    112
    
    Waste Toner Bottle
    114
    
    When Installing a New PCDU
    114
    
    Toner Supply Tube
    115
    
    Toner Supply Motor
    121
    
    Toner Collection Motor
    122
    
    Waste Toner Bottle Full Sensor
    124
    
    Waste Toner Bottle Set Sensor
    125
    
    Rfid Cpu Board
    126
    
    Rfid Board
    127
    
    Development Fan
    128
    
    When Installing the Development Fan
    129
  - Image Transfer
    130
    
    Itb (Image Transfer Belt) Unit
    130
    
    Image Transfer Belt
    132
    
    When Installing the Image Transfer Belt
    136
    
    Itb Contact Motor
    137
    
    Itb Contact Sensor
    138
    
    ID Sensor Board
    140
    
    After Installing a New ID Sensor Board
    141
  - Paper Transfer
    142
    
    Ptr (Paper Transfer Roller) Unit
    142
    
    When Installing the PTR Unit
    142
    
    Ptr Contact Motor
    143
    
    Ptr Contact Sensor
    145
    
    Temperature/Humidity Sensor
    146
  - Drive Unit
    147
    
    Gear Unit
    148
    
    When Installing the Gear Unit
    153
    
    Toner Supply Fan
    154
    
    Toner Supply Fan Base
    154
    
    When Installing the Toner Supply Fan
    154
    
    Drum Motor: Cmy
    155
    
    Development Motor: Cmy
    156
    
    Itb Unit/ Drum-K/ Development-K Motor
    157
    
    Development Clutch: K
    158
    
    Fusing/Paper Exit Motor
    158
    
    Front Door Sensor
    159
    
    Motors with Bracket
    160
    
    Registration Motor
    161
    
    Paper Feed Motor
    162
    
    Vertical Transport Motor
    162
    
    Drum Phase Sensor: Cmy
    163
    
    Drum Phase Sensor: K
    164
    
    Drive Unit Fan
    165
    
    When Installing the Drive Unit Fan
    165
  - Fusing
    166
    
    Cleaning Unit
    166
    
    Fusing Unit
    166
    
    When Installing the Fusing Unit
    166
    
    Pressure Roller Fusing Lamp
    167
    
    Pressure Roller
    170
    
    When Reinstalling the Pressure Roller
    171
    
    Heating Roller Fusing Lamp
    172
    
    Fusing Belt
    176
    
    Fusing, Heating and Tension Roller
    178
    
    When Reinstalling the Fusing Roller
    178
    
    Heating Roller Thermostat
    179
    
    Heating Roller Thermistor
    180
    
    Pressure Roller Thermistor
    181
    
    Pressure Roller Thermostat
    182
    
    Thermopile
    183
  - Paper Feed
    184
    
    Separation Roller
    184
    
    Pick-Up and Paper Feed Rollers
    185
    
    Paper Feed Unit
    186
    
    Registration Sensor
    188
    
    Vertical Transport Sensor
    189
    
    Paper Height Sensor 1
    190
    
    Paper Height Sensor 2
    191
    
    Paper Lift Sensor
    192
    
    Paper End Sensor
    193
    
    Paper Feed Sensor
    194
    
    Tray Lift Motor
    195
    
    Tray 1 Set Sensor
    197
    
    Cleaning the Paper Dust Container
    198
    
    Paper Size Sensor Board
    198
  - Paper Exit
    199
    
    Paper Exit Unit
    199
    
    Paper Exit Sensor
    201
    
    Inverter Sensor
    203
    
    Fusing Exit Sensor
    204
    
    Paper Overflow Sensor
    204
    
    Inverter Motor
    205
    
    Fusing Cooling Fan
    206
    
    When Installing the Fusing Cooling Fan
    206
    
    Upper Cover Sensor
    207
  - Duplex Unit
    208
    
    Duplex Unit
    209
    
    By-Pass Tray Unit
    210
    
    Duplex Entrance Sensor
    212
    
    Duplex Exit Sensor
    214
    
    Fusing Entrance Sensor
    215
    
    Duplex/By-Pass Motor
    216
    
    By-Pass Paper End Sensor
    220
    
    By-Pass Feed Roller, Friction Pad
    221
    
    Hvps: D
    224
    
    Fusing Fan
    225
    
    When Installing the Fusing Fan
    225
  - Electrical Components
    226
    
    Boards
    226
    
    Hdd
    228
    
    Disposal of HDD Units
    229
    
    Reinstallation
    229
    
    Controller Fan
    230
    
    When Installing the Controller Fan
    230
    
    Controller Board
    231
    
    When Installing a New HDD Unit
    232
    
    When Installing the New Controller Board
    232
    
    Bridge Board
    233
    
    Psu
    233
    
    Controller Box
    235
    
    Bcu
    237
    
    When Installing the New BCU
    238
    
    Removing the BCU with Bracket
    239
    
    Hvps: Cb Board
    240
    
    Hvps: T1T2 Board
    240
    
    NVRAM on the BCU
    242
    
    NVRAM on the Controller
    242
    
    Nvram Replacement Procedure
    242
  - Adjustments
    244
    
    Gamma Adjustment
    244
    
    Summary
    244
    
    Adjustment Procedure
    246
- System Maintenance Reference
  
  249
  - Service Program Mode
    251
    
    Accessing the Required Program
    251
    
    Inputting a Value or Setting for a Service Program
    251
    
    Service Mode Operation
    251
    
    Sp Tables
    251
    
    Display on the Control Panel Screen
    252
    
    Exiting Service Mode
    252
    
    Remarks
    252
    
    Bit Switch Programming
    255
  - Firmware Update
    256
    
    Type of Firmware
    256
    
    Before You Begin
    257
    
    File Arrangement
    258
    
    Updating Firmware
    258
    
    Update Procedure
    259
    
    Address Book Upload/Download
    260
    
    Download
    260
    
    Error Handling
    260
    
    Power Failure
    260
    
    Upload
    261
    
    Error Message Table
    262
    
    Handling Firmware Update Errors
    262
  - Controller Self-Diagnostics
    264
    
    Overview
    264
  - Nvram Data Upload/Download
    265
    
    Uploading Nvram Data
    265
    
    Downloading Nvram Data
    266
  - Using the Debug Log
    267
    
    Switching on and Setting up Save Debug Log
    267
    
    Debug Log Codes
    270
    
    Retrieving the Debug Log from the Hdd
    270
    
    SP5857-015 Copy SD Card-To-SD Card: any Desired Key
    270
    
    SP5857-016 Create a File on HDD to Store a Log
    271
    
    SP5857-017 Create a File on SD Card to Store a Log
    271
  - Dip Switches
    272
    
    Controller Board
    272
- Troubleshooting
  
  273
  - Service Call Conditions
    275
  - Process Control Error Conditions
    276
  - Troubleshooting Guide
    277
  - Image Problems
    278
    
    Overview
    278
    
    Jam Detection
    279
    
    Electrical Component Defects
    280
- Energy Saving
  
  281
  - Energy Saver Modes
    283
    
    Recommendation
    284
    
    Return to Stand-By Mode
    284
    
    Timer Settings
    284
    
    Energy Save Effectiveness
    285
  - Paper Save
    287
    
    Combine Mode
    287
    
    Duplex
    287
    
    Effectiveness of Duplex/Combine Function
    287
    
    Duplex + Combine
    288
    
    How to Calculate the Paper Reduction Ratio
    288
M065/M066 Appendices

291
- 1 Appendix: Specifications
  
  295
  - Specifications
    295
    
    General Specifications
    297
  - Supported Paper Sizes
    300
  - Software Accessories
    302
    
    Printer Drivers
    302
  - Optional Equipment
    303
    
    Paper Feed Unit (M384)
    303
    
    Utility Software
    304
    
    2.Appendix: Preventive Maintenance Tables
    307
  - User Maintenance Items
    307
    
    Mainframe
    307
    
    Replacement Items
    307
    
    Cleaning Items
    308
    
    Optional Units
    308
    
    Paper Feed Unit
    308
- 3 Appendix: Service Call Conditions
  
  309
  - Sc Tables
    311
    
    Service Call Conditions
    311
    
    Summary
    311
    
    Sc1Xx: Scanning
    312
    
    Sc 2Xx: Exposure
    313
    
    Sc3Xx: Image Processing - 1
    321
    
    Sc4Xx: Image Processing - 2
    327
    
    Sc5Xx: Paper Feed and Fusing
    333
    
    Sc6Xx: Device Communication
    347
    
    Sc8Xx: Overall System
    354
    
    Sc9Xx: Miscellaneous
    367
- 4 Appendix: Process Control Error Conditions
  
  375
  - Process Control Results
    375
    
    Developer Initialization Result
    375
    
    Process Control Self-Check Result
    377
    
    Vsg Adjustment Result
    379
    
    Line Position Adjustment Result
    380
- 5 Appendix: Troubleshooting Guide
  
  383
  - Troubleshooting Guide
    383
    
    Blank Print
    383
    
    All-Black Print
    384
    
    Missing Cmy Color
    384
    
    Light Print
    385
    
    Repeated Spots or Lines on Prints
    386
    
    Dark Vertical Line on Prints
    387
    
    White Horizontal Lines or Bands
    387
    
    Dirty Background
    388
    
    Missing Parts of Images
    388
    
    Partial Cmy Color Dots
    388
    
    Cmy Color Irregular Streaks
    389
    
    Dark Irregular Streaks on Prints
    389
    
    Ghosting
    389
    
    Unfused or Partially Fused Prints
    389
    
    Image Skew
    390
    
    Background Stain
    391
    
    No Printing on Paper Edge
    391
    
    Image Not Centered When It Should be
    392
- 6 Appendix: Jam Detection
  
  393
  - Jam Detection
    393
    
    Jam Codes and Display Codes
    395
    
    Paper Jam Display
    395
    
    Paper Size Code
    397
- 7 Appendix: Electrical Component Defects
  
  401
  - Electrical Component Defects
    401
    
    M065/ M066
    401
    
    Sensors
    401
    
    Optional Paper Feed Unit
    407
    
    Blown Fuse Conditions
    408
    
    Leds
    408
    
    Power Supply Unit
    408
- 8 Appendix: Sp Mode Tables
  
  409
  - System Service Mode
    411
    
    Service Mode Table
    411
    
    Sp1-XXX (Feed)
    411
    
    SP2-XXX (Drum)
    439
    
    Sp3-XXX (Process)
    582
    
    Sp5-XXX (Mode)
    640
    
    Sp7-XXX (Data Log)
    685
    
    Sp8-XXX: Data Log
    715
    
    Input Check Table
    743
    
    Table 1: Paper Size Switch (Tray)
    747
    
    Table 2: Paper Height Sensor
    748
    
    Output Check Table
    749
    
    Test Pattern Printing
    756
  - Printer Service Mode
    758
    
    Sp1-XXX (Service Mode)
    758
- Paper Feed Unit Pb
  
  770
M384 (Paper Feed Unit Pb 1020)

772
- External Covers
  776
  - Left Cover
    776
  - Right Cover
    776
- Replacement and Adjustment
  776
- Pick-Up, Paper Feed and Separation Rollers
  777
  - Separation Roller
    777
  - Pick-Up and Paper Feed Rollers
    778
- Electrical Components
  779
  - Paper Feed Motor
    779
  - Drive Board
    780
  - Cooling Fan
    781
  - When Installing the Cooling Fan
    781
  - Paper Feed Clutch
    782
  - Tray Lift Motor
    783
  - Paper Size Sensor Board
    784
  - Tray Set Sensor
    784
  - Paper Feed Sensor
    785
  - Vertical Transport Sensor
    786
  - Paper End Sensor
    787
  - Paper Height Sensor 1
    788
  - Paper Lift Sensor
    789
  - Paper Height Sensor 2
    790

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