Ricoh B174 Manuals

Ricoh B174 Manuals

Manuals and User Guides for Ricoh B174. We have 1 Ricoh B174 manual available for free PDF download: Service Documentation

Ricoh B174 Service Documentation

Ricoh B174 Service Documentation (174 pages)

Brand: Ricoh | Category: All in One Printer | Size: 9.28 MB

Table of Contents

Table of Contents

13
- Caution for Safety
  18
- Esd Precautions
  20
- Installation
  
  23
- Installation
  
  25
- Preventive Maintenance
  
  29
- Replacement and Adjustment
  
  33
  - General Precautions on Disassembly
    35
    
    Releasing Plastic Latches
    35
  - Rear Cover
    36
  - Scanner Ass'y
    37
  - Adf Ass'y
    43
  - Ope Ass'y (also Known as 'Op-Port')
    45
  - Right Cover Ass'y
    46
    
    Multi Purpose (MP) Tray (also Known as Bypass Tray)
    47
    
    Duplex Ass'y
    48
    
    Transfer Roller Ass'y
    48
  - Fuser Ass'y (also Known as 'Fusing Unit')
    49
  - Exit Ass'y
    51
  - Copy Tray
    52
  - Drive Ass'y
    53
  - Smps & Hvps (also Known as 'Psu' and 'Power Pack)
    54
  - Lsu (Laser Scanning Unit)
    55
  - Left Cover
    56
  - Main Frame Ass'y
    57
  - Mp Ass'y (Multi Purpose Ass'y)
    59
  - Feed Ass'y
    61
  - Pick up Ass'y
    62
  - Main Board
    63
  - Liu Board
    64
- Troubleshooting
  
  65
  - Error Messages
    67
  - Abnormal Image Printing and Defective Rollers
    69
  - Troubleshooting
    70
    
    Copy
    70
    
    Scanner
    70
    
    Pc-Scan
    71
    
    Fax
    72
    
    Fax/Telephone Precautions
    72
    
    Print Quality
    73
    
    No Image
    76
    
    All Black
    78
    
    Vertical White Line (Band)
    79
    
    Dark Image
    80
    
    Background
    81
    
    Ghost
    82
    
    Black Spot
    83
    
    Horizontal Band
    84
    
    Irregular Density
    85
    
    White Spot
    86
    
    Trembling at the End When OHP Printing
    87
    
    Poor Fusing Grade
    88
    
    Malfunction
    89
    
    No Power (LCD no Display LED Off)
    92
    
    Fuser Error
    93
    
    Paper Jam (Mis-Feeding)
    94
    
    Paper Jam (Jam 1)
    95
    
    Engine Error
    96
    
    Precautions on Safe-Keeping of the Drum Cartridge
    97
    
    Service for the Life of Toner Cartridge
    97
    
    Toner Cartridge and Drum Cartridge Service
    97
    
    Symptoms of a Defective Toner Cartridge
    98
    
    Problems Caused by Software
    101
    
    The Printer Is Not Working (1)
    101
    
    The Printer Is Not Working (2)
    102
    
    Abnormal Printing
    103
    
    Spooling Error
    104
- Service Tables
  
  105
  - User Mode
    107
    
    How to Enter Service Mode
    109
    
    Setting up the System in Tech Mode
    109
    
    Tech Mode
    109
    
    Dialing Mode
    111
    
    Error Rate
    111
    
    Modem Speed
    111
    
    Set Tx Level
    111
    
    Silence Time
    111
    
    System Data
    111
    
    Clean Drum
    112
    
    Clear All Memory
    112
    
    Maintenance
    112
    
    Memory Clear
    112
    
    Notify Toner Low
    112
    
    Switch Test
    112
    
    Answer on Cng
    113
    
    Clear Count
    113
    
    Dram Test
    113
    
    Modem Test
    113
    
    Pattern Test
    113
    
    Rom Test
    113
    
    Sram Test
    113
    
    Adjust Shading
    114
    
    Flash Upgrade
    114
    
    Program Dial
    114
    
    Remote Test
    114
    
    Identify Sale Date
    115
    
    Protocol Dump List
    115
    
    Reports/Help
    115
    
    System Data
    115
    
    Firmware Download
    116
    
    Local Machine Update
    116
    
    RCP (Remote Control Panel) Mode
    116
    
    To Get the System Data List
    116
    
    How to Update Firmware by Remote Fax
    117
    
    Re-Programming Procedure after Download
    117
    
    Recovery Procedure
    117
    
    Remote Machine Update
    117
    
    Procedure
    118
    
    Procedure to Set Country Code
    118
    
    Diagnostic
    119
    
    Engine Test Mode
    119
    
    To Enter the Engine Test Mode
    119
    
    Status Print
    120
- Detailed Descriptions
  
  121
- Detailed Description
  
  123
  - Main Pba (also Known as Main Board)
    123
  - Circuit Operation
    124
    
    Fax Transceiver
    124
    
    General
    124
    
    Modem (U44)
    124
  - Scanner
    124
    
    CCD
    124
    
    Gamma Correction
    125
    
    Key Features
    125
    
    Overview
    125
    
    Pixel Processing Structure
    125
    
    Shading Correction
    125
    
    Auto-Run
    126
    
    Binary Conversion (Mono)
    126
    
    Intelligent Scan Motor Controller
    126
    
    Others
    126
    
    Processed Data Output Format in DTM (Data Transfer Module)
    126
    
    Scaling of Input Image
    126
  - Smps & Hvps (also Known as Psu and Power Pack)
    127
    
    Summary of Hvps
    127
    
    Summary of Smps
    127
  - Engine Controller
    127
    
    Fusing Control/Thermistor Circuit
    127
    
    Cover Open Detection
    128
    
    Paper Detection Circuit
    128
    
    Paper Empty Detection
    128
    
    Paper Exit Detection
    128
    
    Paper Feeding
    128
  - Liu (also Known as Ncu)
    129
    
    Dialer
    129
    
    Pulse Dial
    129
    
    Tone Dial
    129
- Specifications
  
  131
- Specifications
  
  133
  - General Specifications
    133
  - Print Specification
    134
  - Scan Specification
    134
  - Copy Specification
    135
  - Telephone Specification
    135
  - Fax Specification
    135
  - Paper Handling
    136
  - Consumables
    136
- Appendix Appendix
  
  139
  - Block Diagrams
    139
  - Connection Diagrams
    140
- Parts Catalog
  
  141
Parts Catalog B174

143
- Parts Location and List
  145
- Main Assembly
  148
- Platen Assembly
  150
- Adf Assembly
  153
- Side Cover Assembly
  155
- Cassette Assembly
  156
- Exit Assembly
  157
- Feeder Roller Assembly
  158
- Mp Assembly
  159
- Base Flame Assembly
  160
- Driver Assembly
  162
- Main Frame Assembly
  163
- Fuser Assembly
  165

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