Ricoh NRG IS450S Manuals

Manuals and User Guides for Ricoh NRG IS450S. We have 1 Ricoh NRG IS450S manual available for free PDF download: Service Manual

Ricoh NRG IS450S Service Manual

Ricoh NRG IS450S Service Manual (100 pages)

Brand: Ricoh | Category: All in One Printer | Size: 1.97 MB

Table of Contents

Table of Contents
3
1 Overall Machine Information

6
- Specifications
  6
  - Main Body
    6
  - Endorser
    7
- Component Layout
  8
  - Front View
    8
  - Rear View
    9
  - Adf
    10
- Drive Layout
  11
  - Scanner
    11
  - Adf
    12
- Electrical Component Layout
  13
  - Scanner
    13
  - Adf
    14
2 Detailed Section Descriptions

15
- Initialization
  15
- Scanner Mechanisms
  17
  - Book Mode
    17
  - Adf Mode
    21
- Paper Misfeed Detection
  28
- Image Processing
  30
  - Overview
    30
  - Sbu
    31
  - Ipu (Image Processing Unit)
    32
- Reverse Side Scanning
  35
  - Overview
    35
  - Cis (Contact Image Sensor) Unit
    36
  - Image Scanning
    37
- Endorser Unit
  38
  - Overview
    38
  - Endorser Unit
    39
- Low Power Mode
  40
- MAIN Pcbs and THEIR FUNCTIONS
  41
  - Board Structure
    41
  - Scu (Scanner Control Unit)
    42
  - Iob (Input/Output Board)
    43
  - Adu (Adf Drive Unit)
    44
3 Installation

45
- Environment
  45
  - Precautions
    45
  - Environmental Conditions
    45
  - Machine Level
    45
  - Minimum Space Requirements
    45
  - Power Requirements
    46
- Scanner Installation
  46
- Ipu Unit Installation
  46
- Endorser Unit Installation
  47
  - Accessory Check
    47
  - Installation Procedure
    48
  - Stamp Density Adjustment Procedure
    50
- Red Lamp Unit Installation
  51
  - Accessory Check
    51
  - Installation Procedure
    52
4 Service Level Functions

54
- Dip Switch Settings
  54
- Leds/Test POINTS
  59
  - Leds
    59
  - Test Points
    59
- Special Tools
  59
5 Replacement and Adjustment

60
- Covers
  60
  - Adf Exterior
    60
  - Adf Cover
    61
  - Scanner Exterior/Operation Panel
    62
- Adf and Upper Side
  63
  - Document Sensor
    63
  - Separation Unit
    63
  - Document Table Assembly
    64
  - Cis
    64
  - Scanning Guide Plate
    65
  - Feed Sensor
    65
  - Read Sensor
    66
  - Feed-Out Sensor
    66
  - Paper Transport Drum
    67
- Adf and Right Side
  68
  - Paper Feed Motor
    68
  - Edu
    68
  - Endorser Solenoid
    69
  - Relay Sensor
    69
- Adf and Left Side
  70
- Scanner
  72
  - Exposure Glass
    72
  - Exposure Lamp
    73
  - Sbu/Lamp Stabilizer/Scanner Motor/Psu
    74
  - Iob
    75
  - Sop
    76
  - Home Position Sensor
    76
  - Adf Interlock Switch
    77
  - Scanner Wire
    78
- Pcb
  81
  - Scu/Rcu/Ipu
    81
6 Troubleshooting

82
- Self-Diagnostics
  82
- Check Items
  82
  - Items Checked During Initialization
    82
- Error Indication
  83
  - User Level Error Indication
    83
  - Technician Level Error Indication
    83
- Troubleshooting Procedures
  84
  - User-Visible Error Conditions
    84
  - Service Call Errors (System Errors)
    89
- Indication When a Connector Is out of Position
  95
  - Scanner
    95
  - Adf
    96
- Blown Fuse Coditions
  97
7 Option

98
- Ipu (Image Processing Unit)
  98
  - Overview
    98
- Image Processing Path
  99

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