Ricoh Bizworks 706 Manuals

Manuals and User Guides for Ricoh Bizworks 706. We have 1 Ricoh Bizworks 706 manual available for free PDF download: Service Manual

Ricoh Bizworks 706 Service Manual

Ricoh Bizworks 706 Service Manual (204 pages)

G025/G027

Brand: Ricoh | Category: All in One Printer | Size: 3.97 MB

Table of Contents

Table of Contents
5
Overall Machine Information

10
- Specifications
  10
- Features
  13
- Component Layout
  16
  - Mechanical Components
    16
  - Electrical Components
    18
- Overall Machine Control
  20
- Video Data Path
  21
  - Copying
    21
  - Pc Printing
    22
  - Pc Scanning
    23
  - Transmission
    24
  - Reception
    25
- Power Distribution
  26
Detailed Section Descriptions

27
- Scanning
  27
  - Overview (G027 Only)
    27
  - CCD Unit Drive (G027 Only)
    28
    
    Book Scanning
    29
    
    ADF Scanning
    29
  - Auto Document Feeder (Adf)
    30
    
    Overview
    30
    
    Platen Cover Switch (G027 Only)
    31
    
    Jam Conditions
    31
- Printing
  32
  - Printing Processes Around the Drum
    32
  - Charge
    33
  - Laser Exposure
    34
    
    Overview
    34
    
    Block Diagram
    35
    
    Error Conditions
    35
  - Development
    36
    
    Overview
    36
    
    Toner End Detection
    38
  - Transfer and Separation
    40
    
    Overview
    40
    
    Cleaning Mode
    40
  - Drum Cleaning
    41
  - Paper Feed and Registration
    42
    
    Overview
    42
    
    Paper Feed Mechanism
    43
    
    Registration
    46
    
    Paper Width and Paper End Detection
    47
    
    Jam Detection
    48
  - Fusing
    49
    
    Overview
    49
    
    Power Save Control
    50
  - Cover Switch
    52
  - Paper Feed Drive Release and Fusing Drive Release
    53
  - Paper Exit Change Mechanism (G025 Only)
    55
- Pcbs
  56
  - Control Board
    56
    
    Overall
    56
    
    Functions
    56
    
    Components
    57
  - Mcb (Mechanical Control Board)
    58
    
    Overall
    58
    
    Functions
    58
    
    Contents
    58
  - Scb (Scanner Control Board)
    59
    
    Overall
    59
    
    Functions
    59
    
    Contents
    59
  - Ncu (Usa)
    60
    
    Jumpers
    60
  - Ncu (Europe/Asia)
    61
    
    Control Signals and Jumpers
    61
Installation

62
- Installing the Machine
  62
- Minimum Space Requirements
  63
Service Tables and Procedures

64
- Service Level Functions
  64
- Service Function Operation
  65
  - User Parameter (Bit Switch) Programming
    65
  - Modem Test [Function 71]
    66
  - Dtmf Test [Function 72]
    66
  - Output Level [Function 73]
    67
  - Ram Clear [Function 74]
    67
  - System Parameter List [Function 81]
    68
    
    System Parameter List Details
    69
  - Ram Display/Rewrite [Function 82]
    70
    
    Hexadecimal Mode
    70
    
    Binary Mode
    71
  - Ram Dump [Function 83]
    72
  - Ram Test [Function 91]
    73
  - Key Test [Function 92]
    74
  - Led Test [Function 93]
    75
  - Lcd Test [Function 94]
    76
  - Speaker Test [Function 95]
    76
- Bit Switches
  77
- Ncu Parameters
  92
- Service Ram Addresses
  97
Preventive Maintenance

99
- Maintenance Items and Methods
  99
Replacement and Adjustment

100
- Exterior
  100
  - Operation Panel Removal (G025 Only)
    100
  - Upper Unit Removal (G025 Only)
    101
  - Upper Cover Removal (G027 Only)
    102
  - Right Cover Removal
    106
  - Upper Unit Removal (G027 Only)
    108
- Optics
  110
  - Adf Unit Removal
    110
  - CCD Unit Removal
    112
  - Laser Unit Removal
    114
  - CCD Drive Motor Removal (G027 Only)
    121
- Paper Feed
  122
  - Paper Feed Roller Removal
    122
  - Paper Pick-Up Solenoid Removal
    127
- Fusing
  128
  - Fusing Unit Removal
    128
  - Pressure Roller Removal
    130
  - Hot Roller and Lamp Removal
    131
  - Hot Roller Stripper Pawl Removal
    132
  - Fusing Thermofuse Removal
    133
  - Fusing Thermistor Removal
    134
- Others
  135
  - Main Motor Removal
    135
  - Transfer Roller Removal
    138
  - Lower Unit Shell Removal
    139
  - Control Board and Scaner Contorol Board Removal
    144
  - Mechanical Control Board Removal
    147
  - Power Supply Unit Removal
    148
  - Network Control Board Removal
    149
- Adjustment
  150
  - Registration Adjustment
    150
    
    Adjustment (Flatbed and Adf) (G027 Only)
    150
  - Firmware Updating
    156
  - Firmware Recovery
    158
  - Additionnal Module Update
    160
- Connector Layout
  162
  - Mechanical Control Board
    162
    
    Control Board
    162
  - Scanner Control Board
    163
  - Power Supply Unit
    163
Troubleshooting

164
- Copy Quality Troubleshooting
  164
  - Blank Copies
    165
  - Black Copies
    167
  - Dirty Background
    168
  - Uneven Image Density
    169
  - Vertical Black Lines
    170
  - Horizontal Black Lines
    171
  - Vertical White Lines
    172
  - Horizontal White Lines
    173
  - Black Dots/Spots
    174
  - White Spots in Black Image Areas
    175
  - Faint Copies
    176
  - Vertical Black Streaks
    177
  - Unfused Copies
    178
  - Ghost Image
    178
  - Toner on the Back of the Printout
    179
  - Misaligned Output (Image Shifted to the Right or Left)
    180
  - Misaligned Output (Image Shifted Vertically)/Shrunken Image
    180
- Mechanical Problems
  181
  - Adf Non-Feed
    181
  - Adf Jam
    182
  - Adf Skew
    183
  - Adf Multi-Feed
    183
  - Scanner Home Position Error (Error Code 90) (G027 Only)
    184
  - Paper Non-Feed (Printer)
    184
  - Paper Jam (Registration Area)
    185
  - Paper Jam (Fusing Exit Area)
    186
  - Paper Skew (Printer)
    187
  - Paper Multi-Feed (Printer)
    187
- Error Codes
  188
  - Fatal Errors
    188
  - Semi Fatal Errors
    188
Option

192
Paper Feed Unit (G512)

192
Overall Information

193
- Specifications
  193
- Component Layout
  193
Detailed Section Descriptions

194
- Optional Paper Feed Unit
  194
Installation

197
Replacement and Adjustment

198
- Paper Feed Tray Motor and Solenoid Removal
  198
- Paper Pick-Up Roller Removal
  201

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