Ricoh Aficio SP C237 Manuals

Manuals and User Guides for Ricoh Aficio SP C237. We have 1 Ricoh Aficio SP C237 manual available for free PDF download: Service Manual

Ricoh Aficio SP C237 Service Manual

Ricoh Aficio SP C237 Service Manual (247 pages)

Brand: Ricoh | Category: All in One Printer | Size: 3.88 MB

Table of Contents

Table of Contents

11
- Service Manual
  1
- Important Safety Notices
  17
- Overall Information
  
  21
  - Specification
    22
  - Guide to Components and Their Function
    26
    
    Machine Exterior
    26
    
    Machine Interior
    27
    
    Keys
    28
    
    Operation Panel
    28
    
    Indicators
    30
  - Printing Process
    31
  - Mechanical Component Layout
    32
  - Electrical Component Layout
    33
    
    Adf
    33
    
    Main Body
    34
    
    Boards
    35
    
    Motors
    35
    
    Sensors
    36
    
    Solenoids
    36
    
    Switches
    36
    
    Counters
    37
    
    Others
    37
  - Drive Layout
    38
- Detailed Section Descriptions
  
  40
  - Scanner and Optics
    41
    
    Book Scanner Overview
    41
    
    Adf Overview
    42
    
    Contact Image Sensor
    44
    
    Book Scanner
    45
    
    Drive Mechanism
    45
    
    Adf
    46
    
    Pick-Up and Feed (Adf)
    47
    
    Separation Mechanism (Adf)
    48
    
    Adf
    49
    
    Book Scanner
    49
    
    Error Conditions
    49
  - Image-Processing
    50
    
    Overview
    50
    
    A/D Conversion Processing
    51
    
    Shading Distortion Correction
    51
    
    Original Background Correction
    52
    
    Peak Hold
    52
    
    Binary Processing
    53
    
    Data Compensation Processing
    53
    
    Binary Processing in Letter/Photo Mode
    54
    
    MTF Correction
    54
    
    Error Diffusion
    55
    
    Sm C231
    55
    
    Main Scan Magnification
    56
    
    Image Position Adjustment in the Main Scan Direction
    57
    
    Paste Shadow Erase Mode
    57
    
    Specifications
    58
    
    Thermal Head
    58
    
    Thermal Head Control
    58
    
    Thermal Head Protection
    58
    
    Remarks for Handling the Thermal Head
    59
  - Master Eject
    60
    
    Overall
    60
    
    Drum Position Lock Mechanism
    61
    
    Master Clamper Open Mechanism
    61
    
    Master Eject Roller Mechanism
    62
    
    Pressure Plate Mechanism
    63
  - Master Feed
    64
    
    Overall
    64
    
    Master Feed Mechanism
    65
    
    Master Clamper Operation and Tension Roller Release Mechanism
    66
    
    Cutter Mechanism
    67
  - Drum
    68
    
    Overall
    68
    
    Drum Drive Mechanism
    69
    
    Ink Supply Mechanism
    70
    
    Ink Roller Mechanism
    71
    
    Ink Supply Control
    72
    
    Detection of Masters on the Drum
    73
  - Paper Feed
    74
    
    Overall
    74
    
    Paper Feed Mechanism
    75
    
    Paper Feed/Separation Pressure Adjustment Mechanism
    76
    
    Registration Roller Drive
    77
    
    Registration Roller Mechanism
    77
    
    Registration Roller Up/Down Mechanism
    78
    
    Printing Pressure Mechanism
    79
    
    Paper End Detection Mechanism
    80
    
    Paper Table Mechanism
    80
    
    Paper Table Side Fence Mechanism
    81
    
    Paper Table Side-To-Side Shift Mechanism
    81
    
    Side Fence Friction Pads
    82
  - Paper Delivery
    83
    
    Overall
    83
    
    Paper Delivery Unit Drive Mechanism
    84
    
    Paper Separation from Drum
    85
    
    Exit Pawl Drive Mechanism
    86
  - Error Detection
    87
    
    Master Eject Jam Detection
    87
    
    Original Jam Detection
    87
    
    Master Feed Jam Detection
    88
    
    Paper Feed Jam Detection
    89
- Installation
  
  91
  - Installation Requirements
    93
    
    Environments to Avoid
    93
    
    Optimum Environmental Condition
    93
    
    Power Connection
    93
    
    Access to Machine
    94
  - Installation Procedure
    95
    
    Accessory Check
    95
    
    Main Body
    95
    
    Installation Procedure
    96
    
    Accessory Check
    101
    
    Auto Document Feeder (Option)
    101
    
    Installation Procedure
    102
    
    Accessory Check
    106
    
    Tape Marker (Option)
    106
    
    Installation Procedure - for C231
    107
    
    Color Drum (Option)
    109
    
    Accessory Check
    110
    
    Installation Procedure
    110
    
    Interface Board (Option)
    110
- Service Tables
  
  111
  - Service Remarks
    113
    
    Friction Pad
    113
    
    Master Feed Section
    113
    
    Paper Feed Section
    113
    
    Paper Guide Plate Position for Registration Roller
    113
    
    Thermal Head Installation
    113
    
    Thermal Head Voltage Adjustment
    113
    
    Doctor Roller
    114
    
    Drum and Drum Drive Section
    114
    
    Drum Master Clamper
    114
    
    Ink Pump
    114
    
    Ink Roller Unit
    114
    
    Main Motor
    114
    
    Electrical Components
    115
    
    Exit Pawl
    115
    
    Main Processing Unit (MPU) 1
    115
    
    Main Processing Unit (MPU) 2
    115
    
    Paper Delivery Section
    115
    
    Power Supply Unit
    115
    
    Sensor Adjustments
    115
  - Dip Sw, Led, Vr, Tp, and Fuse Tables
    116
    
    Led's
    116
    
    Mpu
    116
    
    Potentiometers
    116
    
    Power Supply Unit
    116
    
    Test Points
    116
    
    Fuses
    117
    
    Mpu
    117
    
    Psu
    117
  - Service Call Codes
    118
  - Service Program Mode
    120
    
    Access Procedure
    120
    
    Service Program Mode Access Procedure (for Engineers)
    120
    
    Service Program Mode Access Procedure (for Users)
    121
    
    Change Adjustment Values or Modes
    122
    
    Service Program Table
    123
    
    Remarks
    132
    
    Input/Output Check Mode
    135
    
    Input/Output Check Mode Access Procedure
    135
    
    Input Check Table
    136
    
    Output Check Table
    138
  - Test Pattern Image Mode
    140
  - User Code Mode
    141
- Preventive Maintenance
  
  143
  - Maintenance Table
    144
- Replacement and Adjustment
  
  146
  - Exterior Cover Removal
    148
    
    Adf
    148
    
    Replacement and Adjustment
    148
    
    Operation Panel
    149
    
    Platen Cover and Upper Covers
    150
    
    Top Cover and Exposure Glass
    150
    
    Other Covers
    151
  - Copy Image Adjustment
    153
    
    Leading Edge Registration Adjustment
    153
    
    Side-To-Side Registraion Adjustment
    154
    
    Vertical Magnification Adjustment
    155
    
    Leading Edge Blank Margin Adjustment
    156
  - Mpu Replacement
    157
  - Original Feed Section
    158
    
    Adf Roller Asssembly
    158
    
    Pick-Up Roller
    158
    
    Feed Roller
    159
    
    Separation Roller
    159
    
    Adf Motor and Covers
    160
    
    R0 and R1 Rollers
    160
    
    R2 Roller
    161
    
    Document Sensor
    162
    
    Scan Line Sensor
    162
    
    Cover Sensors
    163
  - Master Feed Section
    164
    
    Master Making Unit Removal
    164
    
    Thermal Head Removal
    166
    
    Remarks for Thermal Head Installation
    167
    
    Thermal Head Voltage Adjustment
    168
    
    Master End Sensor Adjustment
    170
  - Master Eject Section
    171
    
    Master Eject Unit Removal
    171
  - Paper Feed Section
    172
    
    Paper Feed Roller, Pick-Up Roller, and Friction Pad
    172
    
    Paper Separation Pressure Adjustment
    173
    
    Paper Feed Pressure Adjustment
    174
    
    Registration Roller Clearance Adjustment
    175
  - Printing Section
    176
    
    Press Roller Removal
    176
    
    Press Roller Lock Lever Adjustment
    177
    
    Printing Pressure Adjustment
    179
  - Drum and Drive Section
    180
    
    Drum Cloth Screen Removal
    180
    
    Remarks for the Cloth Screen Installation
    181
    
    Drum Master Clamper and Metal Screen Removal
    183
    
    Remarks for Drum Screen Installation
    185
    
    Ink Roller Unit Removal
    186
    
    Doctor Roller Gap Adjustment
    188
    
    Ink Detection Adjustment
    190
    
    Ink Pump Removal and Plunger Position Adjustment
    191
    
    Main Drive Timing Belt Tension Adjustment
    193
    
    Main Motor Pulley Position Adjustment
    195
  - Paper Delivery Section
    196
    
    Delivery Belt/Paper Exit Sensor Removal
    197
    
    Vacuum Motor Removal
    198
    
    Exit Pawl Clearance Adjustment
    199
    
    Exit Pawl Drive Timing Adjustment
    200
    
    Specifications
    204
- Basic Operation
  
  205
  - Drive and Cutting Mechanism
    206
  - Manual Cut
    207
- Replacement and Adjustment
  
  208
  - Cutter Home Position Sensor Replacement
    209
  - Tape Cut Length Adjustment
    210
Table of Contents

214
- Regulatory Notices
  216
- Introduction
  218
- System Requirements
  218
- Hardware Installation
  219
- Configuration of Ibm Pc and Compatibles
  220
- Priport Controller Configuration
  220
  - Factory Settings
    220
  - Controller Configuration Program
    220
- Windows 3.1 and Windows 95 Configuration
  221
- Configuration for Macintosh Computers
  223
- Application Software Set-Up
  224
- Priport Controller Operation
  235
- Commonly Asked Questions
  238
- Troubleshooting
  240

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