Ricoh C274 Manuals

Ricoh C274 Manuals

Manuals and User Guides for Ricoh C274. We have 1 Ricoh C274 manual available for free PDF download: Service Manual

Ricoh C274 Service Manual

Ricoh C274 Service Manual (153 pages)

Brand: Ricoh | Category: Printer | Size: 2.9 MB

Table of Contents

Table of Contents

13
- Service Manual
  1
- Read this First
  17
- Product Information
  25
- Specifications
  27
  - Product Information
    27
- Mechanism Overview
  28
- Component Layout
  28
- Electrical Component Layout
  29
- Drive Layout
  33
- Guidance for those Who Are Familiar with Predecessor Products
  34
- Installation
  35
- Power Connection
  37
- Machine Access
  37
- Environments to Avoid
  37
- Optimum Environmental Condition
  37
- Installation Requirements
  37
- Dimensions
  38
- Installation Procedure
  39
- Main Unit
  39
- Accessory Check
  39
- Installation Procedure
  40
- Optional Installation
  48
- Additional Drums
  48
- Printer Unit VC-20 and Interface Board Type 20
  49
- Accessory Check (Interface Board Type 20)
  49
- Accessory Check (Printer Unit VC-20)
  49
- Installation Procedure
  50
- Preventive Maintenance
  53
- Maintenance Tables
  55
- Replacement and Adjustment
  57
- General Caution
  59
  - Replacement and Adjustment
    59
- Special Tools
  60
- Image Adjustment
  61
- Sp6-42: Image Adjustment Pattern Print
  61
- Dip Switches
  62
- Overview
  62
- Dipsw103 No.5 to 8 - Master Feeding Speed Adjustment
  63
- Dipsw101 No.1 to 4 - Paper Registration Position Adjustment
  64
- Dipsw101 No.5 to 8 - Master Writing Position Adjustment
  65
- Dipsw102 No.1 to 3 - Thermal Head Energy Control
  67
- Dipsw103 No.1 to 4 - Scanning Speed Adjustment
  67
- Covers and Boards
  69
- Front Cover, Operation Panel
  69
- Rear Cover
  69
- Mpu
  70
- Psu
  71
- Scanner
  72
- Covers
  72
- 1St and 2Nd Feed Rollers, Cis (Contact Image Sensor)
  72
- Document Sensor
  73
- Scanner Motor
  74
- Master Feed
  75
- Master Making Unit
  75
- Thermal Head
  75
- Installation
  76
- Thermal Head Voltage Adjustment
  77
- Master End Sensor Adjustment
  78
- Master Eject
  79
- Master Eject Unit
  79
- Master Eject Rollers
  79
- Paper Feed Pressure Adjustment
  80
- Paper Feed Roller / Friction Pad
  80
- Paper Feed
  80
- Paper Separation Pressure Adjustment
  81
- Printing
  84
- Press Roller
  84
- Paper Registration Roller
  85
- Press Roller Release Lever Adjustment
  86
- Printing Pressure Adjustment
  87
- Drum
  89
- Preparation
  89
- Cloth Screen
  89
- Installation
  90
- Clamper / Metal Screen
  92
- Installation
  93
- Ink Roller Unit / Ink Roller One Way Clutch
  94
- Ink Pump Unit
  94
- Doctor Roller Gap Adjustment
  95
- Ink Detection Adjustment
  97
- Paper Delivery
  98
- Paper Delivery Unit
  98
- Delivery Belt / Paper Exit Sensor
  99
- Exit Pawl Adjustment
  99
- Timing Adjustment
  100
- Main Drive
  103
- Main Drive Timing Belt Adjustment
  103
- Main Motor Pulley Position
  103
- Firmware Update
  105
  - System Maintenance
    107
- Entering SP Mode
  109
- Using the Sp Mode
  109
- Leaving SP Mode
  109
- Using Service Program Modes
  109
- Sp Tables
  109
- Service Program Mode
  109
- System Maintenance Reference
  109
- Troubleshooting
  111
- Service Call Conditions
  113
- Electrical Component Defects
  114
C274 Appendices

119
- Appendix: Specifications
  121
- General Specifications
  123
- Main Frame
  123
- Appendix: Maintenance Tables
  129
- Maintenance Table
  129
  - Service Call Condition
    133
- Appendix: Service Call Condition
  135
- Sc Tables
  135
- Appendix: Electrical Component Defects
  139
- Electrical Component Defects
  139
- Blown Fuse Conditions
  141
- Fuse, Led, Vr, Dip-Sw, and Tp Tables
  141
- Led's
  141
- Dip Switches
  142
- Vr's
  142
- Test Points
  143
- Appendix: Sp Mode Tables
  145
- Input Mode
  147
- Sp Table
  147
- Output Mode
  150
- Sp Table
  150
- SP2-41: Thermal Head Signal Output (VHD Signal)
  151
- Sp Table
  152
- SP3-1: Firmware Suffix Information
  152
- Test Mode
  152
- Adjustment Mode
  153
- Sp Table
  153
- SP6-42: Image Adjustment Pattern Print
  153

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