Ricoh Aficio 480W Dolphin-C2 Manuals

Manuals and User Guides for Ricoh Aficio 480W Dolphin-C2. We have 1 Ricoh Aficio 480W Dolphin-C2 manual available for free PDF download: Service Manual

Ricoh Aficio 480W Dolphin-C2 Service Manual

Ricoh Aficio 480W Dolphin-C2 Service Manual (369 pages)

Brand: Ricoh | Category: All in One Printer | Size: 10.01 MB

Table of Contents

Service Manual
1
Safety Instructions
3
Special Tools
6
During Maintenance
7
Safety Devices
7
Lithium Batteries
8
Ozone Filters
8
Moving the Copier
11
Table of Contents
15
Installation Procedure

23
- Preparation
  23
  - Environment
    23
  - Minimum Space Requirements
    24
  - Machine Level
    24
  - Power Source
    25
- Copier (B188)
  26
  - Accessory Check
    26
  - Installation Procedure
    28
    
    Installing the Copier
    28
    
    Testing the Breaker Operation
    37
    
    Initializing the Developer
    38
    
    Emblem Panel (B188-17, -27 Only)
    40
    
    Front Copy Tray
    40
    
    Stacker Installation
    41
    
    Trays and Mylars
    42
- Roll Feeder (B758)
  43
  - Accessory Check
    43
  - Installation Procedure
    45
    
    Installing the Roll Feeder
    45
    
    Roll Heater Switch
    52
- Cassette Tray B759
  53
  - Accessory Check
    53
  - Installation
    54
    
    Unpacking the Unit
    54
    
    Removing the Covers
    55
    
    Guide Screws, Caution Decal, Heater Harness
    56
    
    Interface Harness
    58
    
    Inserting and Setting the Cassette Tray
    59
    
    Tray Cassette Heater Switch
    62
- Original Tray (B341)
  63
  - Accessory Check
    63
  - Installation Procedure
    64
- Mfp Options
  66
  - Scanner Unit Option (B765)
    67
    
    Accessories
    67
    
    Installation
    68
  - Ieee1394 I/F Board (B581-01)
    70
    
    Accessories
    70
    
    Installation
    70
  - Ieee802.11B I/F Unit (G813-04, -05)
    71
    
    Accessories
    71
    
    Installation
    71
  - Data Overwrite Security Unit (B735-18)
    72
    
    Accessory Check
    72
    
    Seal Check and Removal
    72
    
    Installation Procedure
    73
  - Key Counter
    75
Preventive Maintenance

77
- Pm Table
  77
  - Copier B188
    77
  - Roll Feeder (B758)
    79
  - Paper Cassette (B759)
    79
- Lubrication Points
  80
  - Fusing Section
    80
  - Development Section
    81
Replacement and Adjustment

82
- Opening and Closing the Machine
  82
- External Covers
  83
  - Front View
    83
  - Rear View
    84
- Scanner
  85
- Around the Drum
  96
  - Vdb (Video Drive Board)
    96
  - Lph (Led Print Head)
    97
  - Charge Corona Wire, Grid Wire, Wire Cleaner
    98
  - Quenching Lamps
    100
- Drum and Development Unit
  101
  - By-Pass Feed Sensor, Registration Sensor
    101
  - Development Unit
    103
  - Developer
    104
  - Toner Supply Clutch
    105
  - Drum Drive Motor
    105
  - Drum Unit, ID Sensor, and Cleaning Blade
    106
- Paper Feed
  109
  - Cutter Unit
    109
  - Cutter Motor, Cutter Hp Switches
    110
  - Cutting Sensor and Feed Exit Roller
    111
  - Roll Tray
    112
  - Paper Feed Drive Motor
    114
  - 1St/3Rd Feed Roller and Clutch
    115
  - 2Nd/4Th Feed Roller and Clutch
    116
  - Registration Motor
    116
  - Registration Clutch
    117
  - Registration Roller
    117
- Transfer Unit
  118
  - Transfer and Separation Corona Wires
    118
  - Transport Unit
    119
  - Transport Belts
    120
- Fusing Section
  121
  - Fusing Unit
    121
  - Paper Junction Gate Solenoid/Exit Sensor
    123
  - Fpdb (Fusing Pressure Drive Board)
    123
  - Pressure Roller Strippers/Pressure Motors
    124
    
    Pressure Roller Strippers
    124
    
    Right Motor
    124
    
    Left Motor
    124
  - Pressure Roller Thermistor
    124
  - Hot Roller Thermistor, Thermostats
    125
  - Fusing Cleaning Roller
    126
  - Fusing Lamps
    127
    
    Left End
    127
  - Hot Roller, Pressure Roller
    128
    
    After Replacing Hot Roller or Pressure Roller
    129
  - Fusing Drive Motor
    130
- Boards
  131
  - Psu (Power Supply Unit)
    131
  - Bcu, Iob
    132
  - Vlb
    133
  - Mb, File Format Converter (Mlb), Cnb1, Cnb2
    135
  - Gw Controller, Ipu
    136
  - Hdd Replacement
    137
    
    Before Replacement
    137
    
    HDD Replacement
    138
    
    Important Notes about HDD Replacement
    139
  - Nvram
    140
    
    To Upload NVRAM to an SD Card
    140
    
    To Replace the NVRAM
    140
    
    After Replacement
    141
    
    To Download NVRAM Data from the SD Card
    141
- Adjustments
  142
Troubleshooting

153
- Service Call Conditions
  153
  - Sc Code Descriptions
    154
Peripherals

162
- Jam Code Table
  171
  - Printer Unit
    171
  - Scanner Unit
    171
- Cover Open
  172
- Image Problem Troubleshooting
  173
Service Tables

178
- Special Procedures with Sd Cards
  178
- General Precautions for Using Sd Cards
  178
- Updating the Firmware
  179
- Nvram Upload and Download
  180
  - Uploading NVRAM Data to an SD Card
    180
  - Downloading NVRAM Data from an SD Card
    181
  - Application Merge and Undo
    182
    
    Overview
    182
    
    Application Merge
    183
    
    Merge Undo
    184
- Using the Debug Log
  185
- User Tools
  191
  - Copier/Document Server Features
    194
  - Scanner Features
    196
  - Inquiry
    197
  - Counter
    197
- Service Program (Sp) Modes
  198
  - Service Mode Lock/Unlock
    198
  - Entering Sp Mode
    199
    
    To Enter and Leave SP Mode
    199
    
    Switching between SP Mode and Copy Mode
    200
  - Using the Sp Mode
    201
    
    SP Mode Level
    201
    
    Important Points to Remember about Entering Settings for SP Codes
    201
    
    To Open Select SP Codes for Setting
    202
    
    To Print an SMC Report
    202
    
    To Initialize the SP Settings
    203
- Calibrating the Touch Panel
  203
- Software Reset
  203
- Test Patterns
  204
- Input Check
  205
- Output Check
  210
  - Cassette Feed Motor
    210
- Sp (Service Program) Mode Tables
  212
  - SP1000 Feed
    213
  - Tray Lift Motors
    221
    
    SP2000 Drum
    223
- Details
  224
  - SP3000 Process Control
    229
  - SP4000 Scanner
    230
  - SP5000 Mode
    242
  - SP7000 Data Log
    265
  - SP8000: Data Log2
    270
Detailed Descriptions

297
- Overview
  297
  - Machine Layout
    297
  - Mechanical Component Layout
    298
  - Drive Layout (with Optional Roll Feeder)
    300
  - Original/Copy Paper Paths
    301
- Scanner
  302
  - Overview
    302
  - Original Size Detection
    303
  - Original Feed Mechanism
    304
  - Original Feed Speed
    304
  - Original Temporary Delay
    305
  - Scanning Mechanism
    306
  - Auto Image Density Correction
    307
  - Original Exit Switching Mechanism
    308
- Image Processing
  309
  - General Image Processing Flow Chart
    309
  - Original Modes
    310
    
    Overview
    310
    
    Drawing Mode
    311
    
    Text Mode
    312
    
    Text/Photo Mode
    313
    
    Photo Mode
    314
    
    Background Line Mode
    315
    
    Patched Original Mode
    316
    
    Generation
    317
- Around the Drum
  318
  - Overview
    318
  - Drum Drive
    319
  - Charge Corona Unit
    319
  - Corona Wire Cleaning
    319
  - Cleaning the Drum
    320
  - Collecting Used Toner
    321
  - Quenching
    322
  - Anti-Condensation Heaters
    322
- Image Writing
  323
  - Led Heads
    323
- Development
  324
  - Overview
    324
  - Developer Cross-Mixing
    325
  - Development Bias
    326
    
    Copying
    326
    
    Making ID Sensor Patterns
    326
  - Development Drive Mechanism
    327
  - Toner Supply Mechanism
    327
  - ID Sensor
    328
  - Toner End/Near-End Control
    329
    
    Near-End Detection
    329
    
    End Detection/Recovery from Near-End
    329
  - Toner End Recovery
    330
  - Toner Density Control
    331
    
    Overview
    331
    
    Toner Supply Modes
    331
  - Development Timing Chart
    332
- Paper Feed and Registration
  334
  - Overview
    334
  - Paper Holder
    336
  - Paper Width and Media Type Settings
    337
  - Roll Tray Feed Mechanism
    337
  - By-Pass Feed Mechanism
    337
  - Paper Size Detection
    337
  - Registration
    338
  - Cutting Mechanism
    338
  - Roll End Detection
    339
  - Condensation Prevention
    340
  - Paper Feed Timing Chart
    341
- Image Transfer and Paper Separation
  342
  - Overview
    342
  - Transfer and Separation Timing Control
    342
  - Pick-Off Pawl Operation
    343
- Paper Transport
  344
  - Overview
    344
- Fusing Unit
  345
  - Overview
    345
  - Fusing Pressure Control Mechanism
    347
  - Temperature and Pressure Control
    348
  - Table 6-1 (Cont.)
    349
  - Table 6-2 Adjustment for Actual/Target Temperature Difference
    350
  - Fusing Control Setting Table
    351
  - Hot Roller Cleaning
    352
  - Hot Roller Thermostats
    352
  - Fusing Unit Drive Mechanism
    353
  - Wrinkle Prevention
    354
- Paper Exit
  355
  - Overview
    355
  - Paper Exit Drive
    355
  - Paper Exit Access
    355
  - Switching Exits
    356
  - Exit Jam Detection
    356
- Boards and Breaker Switch
  357
  - Bcu
    358
  - Ipu
    359
  - File Format Converter (Mlb)
    360
  - Iob
    361
  - Psu
    362
  - Gw Controller
    363
  - Vdb
    363
  - Rfdb
    363
  - Fpdb
    363
  - Vlb
    363
  - Breaker Switch Unit
    364
Specifications

365
- Nd Roll Tray (Option)
  368
- Machine Configuration
  369

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