Ricoh C275 Manuals

Ricoh C275 Manuals

Manuals and User Guides for Ricoh C275. We have 1 Ricoh C275 manual available for free PDF download: Service Manual

Ricoh C275 Service Manual

Ricoh C275 Service Manual (259 pages)

Brand: Ricoh | Category: All in One Printer | Size: 4.51 MB

Table of Contents

Table of Contents

13
- Product Information
  
  19
  - Read this First
    21
  - Important Safety Notices
    21
  - Customer Engineer
    21
  - During Maintenance
    23
  - Safety Devices
    23
- 1 Product Information
  
  27
  - Specifications
    29
  - Guidance for those Who Are Familiar with Predecessor Products
    30
  - Overview
    32
    
    Mechanical Component Layout
    32
    
    Electrical Component Layout
    33
    
    Boards
    34
    
    Motors
    34
    
    Solenoids
    35
    
    Sensors
    36
    
    Switches
    36
    
    Others
    38
    
    Drive Layout
    39
- 2 Installation
  
  41
  - Installation Requirements
    43
    
    Environments to Avoid
    43
    
    Minimum Space Requirements
    43
    
    Optimum Environmental Condition
    43
    
    Power Connection
    43
    
    Dimensions
    44
    
    Main Body and Peripherals
    45
    
    Power Sockets for Peripherals
    46
  - Installation Procedure
    47
    
    Accessory Check
    47
    
    Main Body
    47
    
    Installation Procedure
    48
    
    Changing the Operation Panel Language
    55
    
    Date/Time Setting
    55
    
    SP Codes Setting
    55
    
    Accessory Check
    56
    
    Color Drum (Option)
    56
    
    Installation Procedure
    56
    
    Accessory Check
    60
    
    Installation Procedure
    60
    
    Platen Cover (Option)
    60
    
    Accessory Check
    61
    
    Tape Dispenser (Option)
    61
    
    Installation Procedure
    62
    
    Accessory Check
    65
    
    Printer Unit VC-20 (Option)
    65
    
    Installation Procedure
    66
    
    Components Check
    67
    
    Printer Unit Type 4545A (Option)
    67
    
    Installation Procedure
    68
- 3 Preventive Maintenance
  
  71
  - Maintenance Tables
    73
- 4 Replacement and Adjustment
  
  75
  - General Caution
    77
  - Special Tools
    78
  - Image Adjustment
    79
    
    Overview
    79
    
    Sp6-10: Master Writing Speed
    79
    
    Sp6-21: Paper Regist Position
    80
    
    Sp6-3: Scanning Start Position - Platen and Sp6-4: Scanning Start Position - Adf
    80
    
    Sp6-5: Scanning Speed - Platen and Sp6-6: Scanning Speed - Adf Mode
    80
    
    Sp6-1: Main Scan Position - Platen and Sp6-2: Main Scan Position - Adf
    81
  - Covers
    82
    
    Front Cover and Front Door
    82
    
    Operation Panel
    83
    
    Rear Cover
    83
    
    Upper Covers
    84
  - Boards
    85
    
    Mpu
    85
    
    Psu
    86
    
    PSU Board
    86
    
    PSU Board with Bracket
    86
  - Scanner
    87
    
    DF Exposure Glass
    87
    
    Exposure Glass
    87
    
    Exposure Glass, Df Exposure Glass and Scales
    87
    
    Lens Block
    88
    
    Exposure Lamp and Lamp Stabilizer Board
    89
    
    Scanner Motor
    90
    
    Scanner Home Position Sensor
    91
    
    Platen Cover Sensor
    92
    
    Adjusting the Scanner Position
    93
    
    Overview
    93
    
    Adjusting the Belt Contact Points for the First Scanner
    94
    
    Adjusting the Belt Contact Points for the Second Scanner
    95
  - Master Feed
    97
    
    Master Making Unit
    97
    
    Master Making Unit Set Switches
    98
    
    Thermal Head
    99
    
    Installation
    100
    
    Master End Sensor
    101
    
    Master Set Cover Sensor
    101
    
    Cutter Unit
    102
    
    Thermal Head Voltage Adjustment
    103
    
    Master End Sensor Adjustment
    105
  - Master Eject
    107
    
    Master Eject Unit
    107
    
    Master Eject Motor and Pressure Plate Motor
    108
    
    Master Eject Rollers
    108
    
    Drum Master Sensor, Master Eject Sensor and Eject Box Set Sensor
    109
    
    Pressure Plate Hp Sensor and Pressure Plate Limit Sensor
    110
    
    Air Knife Fan Motor
    111
    
    Master Eject Position Sensor
    111
    
    Master Clamper Opening Unit
    112
  - Paper Feed
    113
    
    Pick-Up Roller, Paper Feed Roller and Friction Pad
    113
    
    Paper Table Lower Limit Sensor
    114
    
    Paper Height Sensor 1 and 2
    115
    
    Paper End Sensor
    116
    
    Paper Feed Clutch
    117
    
    Paper Table Motor
    117
    
    Paper Separation Pressure Adjustment
    118
  - Printing
    119
    
    Press Roller
    119
    
    Feed Start Timing Sensor
    120
    
    Registration Sensor
    120
    
    2Nd Feed Timing Sensor
    121
    
    Registration Motor
    122
    
    Registration Roller
    123
    
    Press Roller Release Solenoids
    125
    
    Press Roller Release Lever Adjustment
    126
    
    Printing Pressure Adjustment
    128
  - Drum
    129
    
    Cloth Screen
    129
    
    Preparation
    129
    
    Installation
    130
    
    Clamper and Metal Screen
    132
    
    Installation
    133
    
    Ink Pump Unit
    134
    
    Ink Roller Unit and Ink Roller One-Way Clutch
    135
    
    Doctor Roller Gap Adjustment
    137
    
    Ink Detection Adjustment
    139
    
    Using an Oscilloscope
    139
    
    Simple Method
    140
  - Paper Delivery
    141
    
    Paper Delivery Unit
    141
    
    Delivery Belt, Paper Exit Sensor, Vacuum Fan Motor and Paper Delivery Unit Bushings
    143
    
    Paper Delivery Motor
    144
    
    Clearance Adjustment
    145
    
    Exit Pawl Adjustment
    145
    
    Timing Adjustment
    146
  - Main Drive
    148
    
    Registration Motor
    148
    
    Main Motor
    150
    
    Main Drive Timing Belt Adjustment
    151
    
    Main Motor Pulley Position
    152
  - Modification of Color Drum into Black Drum
    153
  - Part Numbers
    155
- 5 System Maintenance
  
  157
  - Service Program Mode
    159
- 6 Troubleshooting
  
  161
  - Troubleshooting Guide
    163
- 7 Energy Saving
  
  165
  - Energy Save
    167
    
    Energy Saver Modes
    167
    
    Recommendation
    168
    
    Timer Settings
    168
  - Paper Save
    169
    
    Combine Mode
    169
    
    Effectiveness of the Combine Function
    169
    
    Recommendation
    169
C275 Appendices

173
- 1 Appendix: General Specifications
  
  177
  - General Specifications
    177
- 2 Appendix: Pm Tables
  
  183
  - Maintenance Tables
    185
    
    Main Body
    185
    
    Adf
    188
- 3 Appendix: Service Call Conditions
  
  191
  - Service Call Conditions
    191
    
    Service Call Codes
    191
    
    4.Appendix: Electrical Component Defects
    195
  - Electrical Component Defects
    195
    
    Electrical Component Defects
    197
    
    Paper Feed and Exit
    197
    
    Drum
    198
    
    Paper Eject
    198
    
    Paper Feed
    199
    
    Main Drive
    200
    
    Scanner
    200
    
    Master Eject
    201
    
    Master Making Unit
    202
    
    Other
    202
- 5 Appendix: Dip Sw, Led, Vr, Tp and Fuse Tables
  
  203
  - Mpu
    206
  - Power Supply Unit
    206
    
    Fuses
    206
    
    Leds
    206
    
    Psu
    207
- 6 Appendix: Service Program Mode Tables
  
  209
  - Service Program Mode
    211
    
    How to Select a Program Number
    211
    
    Using Service Program Modes
    211
    
    Main Menu Number List
    212
    
    SP Table (SP 1-XXX)
    213
    
    Basic Settings
    215
    
    SP Table (SP 2-XXX)
    215
    
    SP Table (SP 3-XXX)
    221
    
    System Settings
    221
    
    Input Mode
    223
    
    SP Table (SP 4-XXX)
    223
    
    Output Mode
    225
    
    SP Table (SP 5-XXX)
    225
    
    Adjustment
    227
    
    SP Table (SP 6-XXX)
    227
    
    Memory Clear
    236
    
    SP Table (SP 7-XXX)
    236
    
    SP Table (SP 8-XXX)
    237
    
    System Test
    237
    
    Print Controller
    241
    
    SP Table (SP 9-XXX)
    241
Document Feeder C642

244
- 1 Overall Information
  
  245
  - Mechanical Component Layout
    245
  - Electrical Component Layout
    246
  - Drive Layout
    247
- 2 Detailed Section Descriptions
  
  248
  - Original Size Detection
    248
  - Pick-Up and Separation
    248
  - Original Transport and Exit Mechanism
    249
  - Timing Chart / Jam Detection (P Jam Location Indicator)
    250
    
    Feeding in the Original
    250
    
    Just after Turning on the Main Switch
    250
  - Overall Electrical Circuit
    251
- 3 Replacement and Adjustment
  
  252
  - Exterior Covers
    252
    
    Rear Cover
    252
    
    Df Feed Cover
    253
    
    Front Cover
    253
    
    Original Entrance Guide
    253
    
    Original Table
    253
  - Feed Unit
    254
  - Separation Roller
    255
  - Pick-Up Roller
    255
  - Feed Belt
    256
  - Original Set Sensor
    257
  - Transport Motor
    257
  - Feed Cover Open Sensor / Feed Clutch / Df Drive Board
    258
    
    DF Drive Board
    258
    
    Exterior
    258
    
    Feed Clutch
    258
    
    Feed Cover Open Sensor
    258
  - Registration Sensor
    259
  - Pick-Up Solenoid
    259

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