Ricoh B125 Manuals

Manuals and User Guides for Ricoh B125. We have 2 Ricoh B125 manuals available for free PDF download: Service Manual

Ricoh B125 Service Manual

Ricoh B125 Service Manual (415 pages)

GESTETNER A045; LANIER LW310; SAVIN 2400WD

Brand: Ricoh | Category: All in One Printer | Size: 13.03 MB

Table of Contents

Service Manual
1
Table of Contents
13
Service Tables

25
Installation

27
1 Installation Procedure

29
2 Preventive Maintenance

79
- Pm Table
  81
  - Copier (B125)
    81
  - Roll Feeder (B641/B642)
    83
  - Paper Cassette (B643)
    83
- Cleaning the Entrance Spurs
  84
- Lubrication Points
  85
  - Development Section
    85
  - Fusing Gears
    86
3 Replacement and Adjustment

87
- Common Procedures
  89
  - Before Working on the Machine
    89
  - Side Covers
    90
  - Rear Cover
    91
  - Paper Exit Unit
    92
  - Unlocking, Raising the Original Unit
    93
  - Removing the Original Feed Unit
    94
  - Raising and Locking the Scanner Unit
    95
  - Toner Hopper Cover
    96
  - Idle Registration Roller Panel
    97
  - Manual Feed Table, Original Feed Sensor Cover
    100
- Scanner
  100
  - Original Width Sensors, Original Set Sensor, Scanner Switch
    100
  - Original Feed Unit Rollers
    101
  - Exposure Glass
    103
  - Cis
    104
  - Smdb, Vdb
    105
  - Sib, Cgb Power Pack
    106
- Around the Drum
  107
  - Charge Corona Wire, Grid Wire, Wire Cleaner
    107
  - Quenching Lamps
    109
  - Lph (Led Print Head)
    110
  - Transfer Corona, Separation Corona Wires
    112
- Development
  114
  - Development Unit
    114
  - Developer
    115
  - Paper Set Sensor, Registration Sensor
    118
  - Toner Supply Clutch
    119
  - Development Filter
    120
  - Used Toner Collection Bottle, Toner Overflow Sensor
    121
- Drum
  122
  - Drum Unit
    122
  - Ecleaning Blade
    124
  - ID Sensor, Pick-Off Pawls, Pick-Off Pawl Solenoid
    125
- Paper Feed
  126
  - Registration Clutch, Registration Roller
    126
  - Roll 1 Paper Feed Clutch, Feed Roller
    129
  - Roll 2 Paper Clutch, Feed Roller
    130
  - Rf Exit Sensor
    131
  - Roll Feed Motor
    132
  - Cutter: Motor, Hp Sensors
    133
  - Roll Paper End Sensors
    135
  - Cassette Feed Roller
    136
  - Cassette Relay Sensor, Cassette End Sensor
    137
  - Cassette Feed Motor, Cassette Open Sensor
    138
  - Cassette Feed Clutch
    139
- Fusing Section
  140
  - Pressure Spring Adjustment
    140
  - Hot Roller Strippers
    141
  - Pressure Roller Strippers
    141
  - Pressure Roller Thermistor, Fusing Exit Sensor
    142
  - Fusing Unit
    143
  - Fusing Cleaning Roller
    144
  - Fusing Lamp
    145
  - Hot Roller
    146
  - Pressure Roller
    147
  - Hot Roller Thermistor, Thermostats
    148
- Motors
  149
  - Drum Motor
    150
  - Fusing Motor, Main Motor
    151
  - Used Toner Bottle Motor
    154
- Boards
  155
  - Nvram
    158
    
    NVRAM Removal
    159
    
    T&S Power Pack
    160
  - Rfdb (Roll Feeder Drive Board)
    161
    
    Sfdb (Sheet Feed Drive Board)
    162
- Other
  163
  - Cooling Fan, Ozone Filter
    165
- Sp Adjustments
  166
Troubleshooting

183
- Sc Code Descriptions
  184
  - Sc4Xxx
    187
  - Sc5Xxx
    188
  - Sc6Xxx
    193
  - Sc7Xxx
    195
- Jam Code Tables
  197
  - Scanner Jam Tables
    199
- Cover Open
  201
- Image Data Processing Flow Chart
  202
  - Data Flow in Scanning Mode
    203
  - Data Flow in Printing Mode (Long)
    204
  - Image Problem Troubleshooting
    205
  - Scanning
    206
- Printing
  208
  - Board Leds
    209
    
    IPU Leds
    210
    
    MCU Leds
    211
    
    PSU Leds
    212
    
    Normal Direct Entry
    215
    
    Rapid Direct Entry
    216
- Software Upgrade
  217
- Initial Settings
  236
  - User Tools
    252
    
    Sp8Xxx Data Log
    269
Detailed Descriptions

273
- Mechanical Component Layout
  274
- Drive Layout
  276
- Original/Copy Paper Paths
  277
  - System Settings
    278
  - Scanner Layout
    279
  - Original Width Detection
    280
  - Original Drive Mechanism
    281
  - Scanning Mechanism
    282
  - Auto Image Density Correction
    283
  - Image Processing
    284
    
    IPU Board Details
    285
  - General Image Processing Flow Chart
    286
    
    Copier Features
    287
    
    Text Mode
    288
    
    Photo Mode
    289
    
    Text/Photo Mode
    290
    
    Pale Mode
    291
    
    Generation
    292
    
    Drawing Mode
    293
    
    Background Lines Mode
    294
    
    Sharpen Text Mode
    295
  - Independent Dot Erase
    296
  - Mtf Settings
    297
  - Around the Drum
    298
  - Drum Drive
    299
  - Charge Corona Unit
    300
  - Corona Wire Cleaning
    301
  - Drum Cleaning
    302
  - Collecting Used Toner
    303
  - Quenching
    304
  - Drum Anti-Condensation Heaters
    305
- Image Writing Mechanism
  306
  - Development
    307
  - Development Drive Mechanism
    308
  - Toner Supply Mechanism
    309
  - Developer Cross-Mixing
    310
  - Development Bias
    311
  - ID Sensor
    312
  - ID Sensor Operation During Machine Warm-Up
    313
  - Toner Density Control
    315
    
    Detect Supply Mode
    316
    
    Fixed Supply Mode
    317
  - Toner End/Near-End Detection
    319
    
    Toner End Recovery Flow Chart
    320
- Paper Feed and Registration
  321
  - Feed Station Overview
    323
  - Manual Feed Mechanism
    324
  - Roll Feed Mechanism
    325
    
    Roll Pre-Feeding
    326
    
    Procedure
    327
  - Roll Feeder Paper Holders
    328
  - Roll Paper Cutting Mechanism
    329
  - Roll End Detection
    330
  - Paper Cassette Mechanism
    331
  - Paper Cassette Feed
    332
    
    Paper Cassette Pre-Feeding
    333
  - Paper Cassette Paper End Detection
    334
  - Condensation Prevention
    336
  - Paper Feed Timing Chart
    337
- Image Transfer and Separation
  338
  - Pick-Off Pawl Operation
    339
  - Fusing Unit
    340
  - Paper Feed through the Fusing Unit
    341
  - Fusing Pressure Control Mechanism
    342
  - Temperature Control
    343
    
    Fusing Temperature Control
    344
  - Hot Roller Cleaning
    348
  - Hot Roller Thermistors and Thermostats
    349
  - Fusing Unit Drive Mechanism
    350
  - Wrinkle Prevention
    351
  - Paper Exit
    352
  - Switching the Paper Exit
    353
  - Paper Exit Drive
    354
- Electrical Components
  355
  - Descriptions of Electrical Components
    356
  - Mcu, Ipu
    361
  - Smdb, Vdb, Sib
    363
  - Rfdb, Sfdb
    364
Specifications

367
- Roll Feeder B641/B642
  370
4 Machine Configuration

371
- Input Check
  374
- Output Check
  382
  - Image Adjustment
    385
    
    Reproduction Ratio
    390
    
    Key Operator Tools
    390
- Sp (Service Program) Mode Tables
  392
  - SP3-XXX Process Control
    393
  - Overall System
    397

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Ricoh B125 Service Manual

Ricoh B125 Service Manual (14 pages)

Brand: Ricoh | Category: Copier | Size: 0.21 MB

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