Ricoh G-P3 Manuals

Manuals and User Guides for Ricoh G-P3. We have 1 Ricoh G-P3 manual available for free PDF download: Service Manual

Ricoh G-P3 Service Manual

Ricoh G-P3 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

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