Ricoh Nashuatec CP430 Manuals

Manuals and User Guides for Ricoh Nashuatec CP430. We have 1 Ricoh Nashuatec CP430 manual available for free PDF download: Service Manual

Ricoh Nashuatec CP430 Service Manual

Ricoh Nashuatec CP430 Service Manual (152 pages)

Machine code C238

Brand: Ricoh | Category: All in One Printer | Size: 5 MB

Table of Contents

Table of Contents
4
1 Installation

11
- Installation Requirements
  11
  - Optimum Environmental Condition
    11
  - Environments to Avoid
    11
  - Power Connection
    11
  - Access to the Machine
    12
- Installation Procedure
  13
  - Main Body
    13
    
    Accessory Check
    13
    
    Installation Procedure
    16
  - Platen Cover Installation (Option)
    19
    
    Accessory Check
    19
    
    Installation Procedure
    19
  - Adf Installation (Option)
    20
    
    Accessory Check
    20
    
    Installation Procedure
    21
    
    ADF Stabilizer Installation
    24
  - Tape Marker (Option)
    25
    
    Accessory Check
    25
    
    Installation Procedure
    26
    
    For C238
    26
    
    For C231 and C237
    27
    
    For C226
    28
    
    For C210, C218, C219, C222, and C223
    29
    
    For C217 and C225
    30
    
    Common Steps
    31
  - Additional Drums (Option)
    32
  - Interface Board (Option)
    33
    
    Accessory Check
    33
    
    Installation Procedure
    33
2 Preventive Maintenance

34
- Maintenance Table
  34
3 Replacement and Adjustment

36
- General Caution
  36
- Covers / Boards
  36
  - Front Cover / Panel
    36
  - Rear Covers
    37
  - Mpu
    37
  - Psu
    38
- Scanner
  39
  - Exposure Glass / Scales
    39
  - Sbu and Lamp Stabilizer / Scanner Motor
    39
  - Scanner H.p. Sensor / Platen Cover Sensor
    40
  - Exposure Lamp (Xenon Lamp)
    41
  - Scanner Wires
    42
    
    Installation
    42
  - Image Adjustment
    44
- Master Eject
  45
  - Master Eject Unit
    45
- Master Feed
  46
  - Master Making Unit
    46
  - Thermal Head
    46
    
    Installation
    47
  - Thermal Head Voltage Adjustment
    48
  - Master End Sensor Adjustment
    49
- Paper Feed
  50
- Printing
  52
- Drum
  55
  - Preparation
    55
  - Cloth Screen
    55
    
    Installation
    56
  - Clamper / Metal Screen
    57
    
    Installation
    58
  - Ink Pump Adjustment
    59
  - Ink Roller Unit / Ink Roller One-Way Clutch
    61
  - Doctor Roller Gap Adjustment
    62
  - Ink Detection Adjustment
    63
  - Main Motor Pulley Position
    63
  - Main Drive Timing Belt Adjustment
    63
- Paper Delivery
  64
  - Paper Delivery Unit
    64
  - Delivery Belt / Paper Exit Sensor
    64
  - Exit Pawl Adjustment
    65
    
    Clearance Adjustment
    65
    
    Timing Adjustment
    66
  - Air Pump Adjustment
    67
- Special Tools
  68
4 Troubleshooting

69
- Error Codes
  69
- Electrical Component Defects
  71
  - Sensors
    71
  - Switches
    72
  - Lines
    73
- Fuse, Led, Vr, Dip-Sw, and Tp Tables
  74
  - Blown Fuse Conditions
    74
  - Led's
    74
  - Vr's
    74
  - Dip Switches
    75
  - Test Points
    75
5 Service Tables

76
- Using Service Program Modes
  76
  - Accessing Sp Modes
    76
    
    Entering SP Mode
    76
    
    Leaving SP Mode
    76
  - How to Select a Program Number
    77
- Main Menu No.1: Copy Data
  78
- Main Menu No.2: Basic Settings
  80
  - Sp Table
    80
  - Sp2-41, 2-42: Thermal Head Energy Control
    80
- Main Menu No.3: System Settings
  81
  - Sp Table
    81
  - Sp3-1: Input the Present Time
    81
- Main Menu No.4: Input Mode
  82
  - Sp Table
    82
- Main Menu No.5: Output Mode
  83
  - Sp Table
    83
- Main Menu No.6: Adjustment
  84
- Main Menu No.7: Memory Clear
  88
  - Sp Table
    88
  - Sp7: How to Clear
    88
  - Sp7-1: Factory Settings Clear
    88
- Main Menu No.8: System Test
  89
  - Sp Table
    89
  - Sp8-1: Download Main Firmware
    89
  - Sp8-2: Upload Main Firmware
    90
  - Sp8-10: Test Patterns
    90
  - Sp8-21: Paper Feed Test (15 Rpm)
    90
  - Sp8-22: Free Run Paper Feed (15 Rpm)
    90
6 Detailed Section Descriptions

91
- Mechanism Overview
  91
  - Major Parts
    91
  - Electrical Component Layout
    92
    
    Boards
    93
    
    Motors
    93
    
    Switches
    94
    
    Sensors
    94
    
    Solenoids
    95
    
    Counters
    95
    
    Others
    95
  - Drive Layout
    96
- Master Eject Unit
  97
  - Overview
    97
    
    Procedure
    97
  - Master Clamper Opening Mechanism
    98
    
    Clamper Mechanism
    98
  - Master Eject Roller Mechanism
    99
    
    Mechanism
    99
    
    Procedure
    99
  - Pressure Plate Mechanism
    100
    
    Mechanism
    100
    
    Procedure
    100
- Scanner Unit
  101
  - Overview
    101
  - Scanner Drive
    102
    
    Full Size Mode
    102
    
    Reduction/Enlargement Modes
    102
- Image Processing
  103
  - Overview
    103
  - Auto Background Correction
    104
  - Auto Shading
    104
  - Mtf Filter
    104
  - Main Scan Enlargement/Reduction
    104
  - Binary Processing
    105
  - Fine Mode
    105
  - Thermal Head
    106
    
    Specifications
    106
    
    Thermal Head Control
    106
    
    Thermal Head Protection
    106
    
    Remarks for Handling the Thermal Head
    107
- Master Feed
  108
  - Overview
    108
    
    Procedure
    108
  - Master Feed Mechanism
    109
    
    Mechanism
    109
    
    Procedure
    109
  - Clamper and Tension Roller Mechanism
    110
    
    Mechanism
    110
  - Cutter Mechanism
    111
  - Master Set Cover Sensor
    111
- Drum
  112
  - Overview
    112
    
    Procedure
    112
  - Drum Drive Mechanism
    113
    
    Mechanism
    114
  - Ink Supply Mechanism
    114
    
    Mechanism
    115
  - Ink Roller Mechanism
    115
    
    Mechanism
    116
  - Ink Supply Control
    116
  - Detection of Masters on the Drum
    117
- Paper Feed
  118
  - Overview
    118
  - Paper Feed Mechanism
    119
    
    Mechanism
    119
  - Paper Feed / Separation Pressure Mechanism
    120
  - Registration Roller Mechanism
    121
    
    Registration Roller Drive
    121
    
    Registration Roller Up/Down Mechanism
    121
  - Printing Pressure Mechanism
    122
  - Re-Feeding Mechanism
    122
  - Paper Table Mechanism
    123
    
    Mechanism
    123
    
    Paper End Detection
    123
    
    Paper Size Detection
    123
    
    Side Fence Friction Pads
    124
- Paper Delivery
  125
  - Overview
    125
  - Paper Delivery Unit Drive Mechanism
    125
    
    Mechanism
    125
  - Paper Separation from the Drum
    126
    
    Air Knife
    126
    
    Exit Pawl Air Pump
    126
  - Exit Pawl Drive Mechanism
    127
- Timing Chart
  128
  - Master Eject / Master Feed
    128
  - Master Wrapping
    130
  - Printing
    132
- Jam Detection
  134
  - Master Eject Jam (E Jam Location Indicator)
    134
    
    Picking up the Used Master from the Drum
    134
    
    Just after Turning on the Main Switch
    134
  - Df Jam (P Jam Location Indicator)
    135
    
    Feeding in the Original
    135
    
    Feeding out the Original
    135
    
    Turning on the Main Switch/Closing the DF Cover
    135
  - Master Feed Jam (D Jam Location Indicator)
    136
    
    Cutting the Master (Master Not Cut)
    136
    
    Cutting the Master (Cutter Unit Problem)
    136
    
    Clamping the Master
    137
  - Drum Jam (B Jam Location Indicator)
    137
    
    Wrapping Jam
    137
  - Paper Feed Jam (a Jam Location Indicator)
    138
    
    Paper Feed
    138
    
    Turning on the Main Switch/End of Paper Feed
    138
  - Paper Delivery Jam (C Jam Location Indicator)
    138
    
    Paper Delivery
    138
7 Point to Point Diagram

139

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