Ricoh G190 Manuals

Manuals and User Guides for Ricoh G190. We have 2 Ricoh G190 manuals available for free PDF download: Service Manual

Ricoh G190 Service Manual

Ricoh G190 Service Manual (503 pages)

Brand: Ricoh | Category: Printer | Size: 8.21 MB

Table of Contents

Service Manual
1
Table of Contents
13
Health Safety Conditions
25
Important Safety Notices
25
Lithium Batteries
25
Prevention of Physical Injury
25
Read this First
25
Safety Notices
25
Laser Safety
26
Symbols and Abbreviations
27
Installation

28
1 Installation Procedure

29
- Installation Requirements
  29
  - Environment
    29
  - Machine Level
    29
  - Machine Space Requirements
    30
  - Power Requirements
    30
- Optional Unit Combinations
  31
  - Machine Options
    31
  - Controller Options
    31
- Printer Installation
  32
  - Installation Procedure
    32
    
    Unpacking
    32
    
    Installing the Toner
    39
    
    Loading Paper
    41
    
    Turning Power on
    43
    
    Printing the Test Page
    44
    
    Selecting the Panel Display Language
    44
    
    Settings Relevant to the Service Contract
    44
  - Meter Click Charge
    45
  - Moving the Machine
    47
  - Transporting the Machine
    47
- Options Installation
  48
  - Paper Feed Unit
    48
  - Tray Heater
    48
- Controller Options
  50
  - Overview
    50
    
    I/F Card Slots
    50
    
    SD Card Slots
    50
  - Sd Card Appli Move
    50
    
    Move Exec
    51
    
    Undo Exec
    52
    
    Storing the SD Card
    53
2 Preventive Maintenance

54
- User Replaceable Items
  55
- Service Maintenance
  56
  - Recommended Cleaning Procedure
    56
3 Replacement and Adjustment

57
- Before You Start
  59
- Special Tools and Lubricants
  60
  - Tools
    60
- Electrical Components
  61
  - Electrical Board Unit
    61
  - Iob (Input/Output Board)
    64
  - Controller Board
    64
  - Installing the New Nvram
    66
  - Psu (Power Supply Unit) Board
    66
  - High Voltage Power Supply Board 1
    67
  - Egb (Engine Board) and High Voltage Power Supply Board 2
    68
  - Lcd Panel
    69
  - Nvram Replacement Procedure
    69
    
    NVRAM on the EGB (Engine Board)
    69
    
    NVRAM on the Controller
    70
    
    Nvrams on the EGB and Controller
    71
- Laser Optics
  72
  - Caution Decal Locations
    72
  - Ld Unit
    72
    
    Replacement
    72
    
    Color Registration Adjustment
    73
  - Ldb
    76
  - Polygon Mirror Motor
    76
  - Laser Synchronizing Detector Boards
    77
  - Ldu Shutter Motor Unit and Sensor
    78
- Paper Feed
  79
- Development
  89
- Drive
  94
  - Drive Unit
    94
- Duplex
  96
  - Duplex Jam Sensor
    96
  - Inverter Sensor
    97
  - Duplex Motor and Inverter Motor
    98
- Fusing
  99
  - Fusing Unit
    99
  - Thermistor and Thermostat
    99
  - Fusing Lamp
    102
  - Fusing Exit Sensor and Paper Exit Sensor
    102
  - Fusing Registration Sensor
    103
  - Fan Direction
    103
- Adjustments
  104
  - Gamma Adjustment
    104
    
    Summary
    104
    
    Adjustment Procedure
    106
4 Troubleshooting

109
- Process Control Results
  111
- Service Call Conditions
  113
  - Sc Code Descriptions
    114
    
    Engine SC
    114
    
    Controller Error
    135
- Troubleshooting Guide
  153
  - Blank Print
    153
  - All-Black Print
    154
  - Missing Cmy Color
    155
  - Light Print
    156
  - Repeated Spots or Lines on Prints
    157
  - Dark Vertical Line on Prints
    157
  - White Horizontal Lines or Bands
    158
  - Missing Parts of Images
    159
  - Dirty Background
    159
  - Partial Cmy Color Dots
    159
  - Dark Irregular Streaks on Prints
    160
  - Cmy Color Irregular Streaks
    160
  - Ghosting
    160
  - Unfused or Partially Fused Prints
    161
  - Image Skew
    161
  - Background Stain
    162
  - No Printing on Paper Edge
    162
  - Image Not Centered When It Should be
    163
- Electrical Component Defects
  164
  - Sensors
    164
- Blown Fuse Conditions
  169
  - Power Supply Unit
    169
  - Iob
    169
- Leds
  170
5 Service Tables

171
- Service Program Mode
  173
  - Service Mode Operation
    173
    
    Entering the Service Mode
    173
    
    Accessing the Required Program
    174
    
    Exiting Service Mode
    174
    
    Inputting a Value or Setting for a Service Program
    174
  - Remarks
    175
    
    Display on the Control Panel Screen
    175
  - Bit Switch Programming
    178
- Service Mode Table
  179
  - Controller Service Mode
    179
  - Engine Service Mode
    186
    
    SP1-XXX (Feed)
    186
    
    SP2-XXX (Drum)
    210
    
    SP3-XXX (Process)
    283
    
    SP5-XXX (Mode)
    308
    
    SP7-XXX (Data Log)
    351
    
    SP8-XXX (Data Log 2)
    379
    
    Sp9-XXX
    396
  - Input Check Table
    403
  - Output Check Table
    409
- Firmware Update
  412
  - Type of Firmware
    412
  - Before You Begin
    413
  - Updating Firmware
    413
    
    Update Procedure
    414
    
    Error Handling
    415
    
    Power Failure
    415
    
    Uploading Nvram Data
    417
    
    Downloading Nvram Data
    418
  - Address Book Upload/Download
    419
    
    Error Message Table
    421
- Controller Self-Diagnostics
  423
- Using the Debug Log
  424
- Dip Switches
  430
  - Component Layout
    433
  - Paper Path
    434
  - Drive Layout
    435
  - Board Structure
    436
  - Printing Process
    438
    
    Process Control
    440
    
    Process Control Self-Check
    441
    
    Process Control Self-Check Procedure
    442
  - Toner Supply Control
    444
  - Toner Near End/Toner End Detection
    445
    
    Toner End Detection
    446
  - Developer Initialization
    447
  - Paper Feed
    448
  - Paper Feed Drive
    449
  - Paper Tray
    450
    
    Paper Lift
    450
    
    Paper Size Detection
    451
    
    Paper Near End/End Detection
    452
    
    Paper Feed Mechanism
    453
    
    Duplex
    454
  - Drive
    455
    
    Interleaving
    456
6 Detailed Descriptions

433
- Laser Exposure
  458
  - Optical Path
    459
  - Laser Synchronizing Detector
    460
  - Ld Safety Switch
    461
  - Automatic Line Position Adjustment
    462
    
    Adjustment Conditions
    463
    
    Main Scan Skew Adjustment
    466
- Photoconductor Unit
  467
  - Drive and Drive Gear Position Sensor
    468
  - Drum Charge and Quenching
    470
  - Drum Cleaning
    471
  - Waste Toner Collection
    472
    
    Waste Toner Bottle Full Detection and Set Detection
    473
    
    Error Message
    474
    
    Development
    475
  - Drive
    476
  - Development Bias
    477
  - Toner Supply Mechanism
    478
- Image Transfer
  479
  - Transfer Unit Detection and New Unit
    480
  - Transfer Belt Contact
    482
  - Transfer Roller Unit
    484
  - Fusing
    487
  - Fusing Temperature Control
    488
    
    Idling Ready Temperature before First Print Job: [A]
    489
    
    Overheat Protection
    490
    
    Drive
    491
    
    Controller
    492
Specifications

495
- Supported Paper Sizes
  499
  - Printer Drivers
    501
  - Utility Software
    502
  - Machine Configuration
    503

Advertisement

Ricoh G190 Service Manual

Ricoh G190 Service Manual (413 pages)

Brand: Ricoh | Category: Copier | Size: 7.97 MB

Table of Contents

Safety Notices

2
- Important Safety Notices
  2
- Laser Safety
  3
Symbols, Abbreviations, and Trademarks

4
- Symbols and Abbreviations
  4
- Trademarks
  4
- Table of Contents
  5
1 Installation Procedure

12
Installation Requirements

12
- Environment
  12
- Machine Level
  13
- Machine Space Requirements
  13
- Power Requirements
  13
Optional Unit Combinations

15
- Machine Options
  15
- Controller Options
  15
Printer Installation

16
- Installation Procedure
  16
- Loading Paper
  25
- Meter Click Charge
  29
- Moving the Machine
  31
- Transporting the Machine
  31
Options Installation

32
- Paper Feed Unit
  32
- Tray Heater
  32
Controller Options

34
- Overview
  34
  - SD Card Appli Move
    35
2 Preventive Maintenance

38
User Replaceable Items

38
Service Maintenance

39
- Recommended Cleaning Procedure
  39
3 Replacement and Adjustment

40
Before You Start

40
Special Tools and Lubricants

41
- Tools
  41
Electrical Components

42
- Electrical Board Unit
  42
- IOB (Input/Output Board)
  45
- Controller Board
  45
- Installing the New NVRAM
  47
- PSU (Power Supply Unit) Board
  48
- High Voltage Power Supply Board 1
  48
- EGB (Engine Board) and High Voltage Power Supply Board 2
  49
- LCD Panel
  50
- NVRAM Replacement Procedure
  50
Laser Optics

53
- Caution Decal Locations
  53
- LD Unit
  53
- Ldb
  57
- Polygon Mirror Motor
  57
- Laser Synchronizing Detector Boards
  58
- LDU Shutter Motor Unit and Sensor
  59
Paper Feed

61
Development

70
Drive

76
- Drive Unit
  76
Duplex

78
- Duplex Jam Sensor
  78
- Inverter Sensor
  79
- Duplex Motor and Inverter Motor
  79
Fusing

81
- Fusing Unit
  81
- Thermistor and Thermostat
  81
- Fusing Lamp
  84
- Fusing Exit Sensor and Paper Exit Sensor
  85
- Fusing Registration Sensor
  85
- Fan Direction
  86
Adjustments

87
- Gamma Adjustment
  87
4 Troubleshooting

92
Process Control Results

92
Service Call Conditions

94
- Summary
  94
- SC Code Descriptions
  94
Troubleshooting Guide

125
- Blank Print
  125
- All-Black Print
  125
- Missing CMY Color
  126
- Light Print
  126
- Repeated Spots or Lines on Prints
  126
- Dark Vertical Line on Prints
  127
- White Horizontal Lines or Bands
  128
- Missing Parts of Images
  128
- Dirty Background
  128
- Partial CMY Color Dots
  129
- Dark Irregular Streaks on Prints
  129
- CMY Color Irregular Streaks
  129
- Ghosting
  129
- Unfused or Partially Fused Prints
  129
- Image Skew
  130
- Background Stain
  130
- No Printing on Paper Edge
  131
- Image Not Centered When It Should be
  131
Electrical Component Defects

132
- Sensors
  132
Blown Fuse Conditions

136
- Power Supply Unit
  136
- Iob
  136
Leds

137
5 Service Tables

138
Service Program Mode

138
- Service Mode Operation
  138
- Exiting Service Mode
  139
- Remarks
  140
- Bit Switch Programming
  142
Service Mode Table

143
- Controller Service Mode
  143
- Engine Service Mode
  148
- Input Check Table
  320
- Output Check Table
  324
Firmware Update

327
- Type of Firmware
  327
- Before You Begin
  327
- Updating Firmware
  328
- NVRAM Data Upload/Download
  331
- Address Book Upload/Download
  333
- Handling Firmware Update Errors
  334
Controller Self-Diagnostics

336
- Overview
  336
Using the Debug Log

338
- Retrieving the Debug Log from the HDD
  341
DIP Switches

343
- Overview
  344
- Paper Path
  345
- Drive Layout
  346
- Board Structure
  347
- Printing Process
  349
- Process Control
  351
- Toner Supply Control
  354
- Toner Near End/Toner End Detection
  356
- Developer Initialization
  357
- Paper Feed
  358
- Paper Feed Drive
  359
- Paper Tray
  360
- By-Pass Tray Feed and Size Detection
  363
- Duplex
  364
Laser Exposure

368
- Optical Path
  369
- Laser Synchronizing Detector
  370
- LD Safety Switch
  371
- Automatic Line Position Adjustment
  372
Photoconductor Unit

377
- Drive and Drive Gear Position Sensor
  378
- Drum Charge and Quenching
  380
- Drum Cleaning
  381
- Waste Toner Collection
  382
- Waste Toner Bottle Full Detection and Set Detection
  383
- PCU Detection (Development Unit Detection)
  384
Development

386
- Drive
  387
- Developer Mixing
  388
- Toner Supply Mechanism
  389
Image Transfer

390
Fusing

397
- Fusing Temperature Control
  398
- Overheat Protection
  400
- Drive
  401
- Controller
  402
7 Specifications

404
- Supported Paper Sizes
  407
- Software Accessories
  408
- Machine Configuration
  409

Advertisement

Related Products

Ricoh Categories

All in One Printer

All in One Printer

Printer

Digital Camera

Digital Camera Copier Printer Accessories

More Ricoh Manuals