Ricoh FAX550 Manuals

Manuals and User Guides for Ricoh FAX550. We have 1 Ricoh FAX550 manual available for free PDF download: Service Manual

Ricoh FAX550 Service Manual

Ricoh FAX550 Service Manual (90 pages)

Brand: Ricoh | Category: Fax Machine | Size: 0.91 MB

Table of Contents

Table of Contents
3
Overall Machine Information

7
Specifications

7
Features

8
Component Layout

11
- Mechanical Components
  11
- Drive Components
  12
- Electrical Components
  13
Overall System Control

15
Video Data Path

16
- Transmission
  16
- Reception
  16
Power Distribution

17
- Distribution Diagram
  17
- Memory Back-Up Circuit
  18
Detailed Section Descriptions

19
Scanner

19
- Mechanisms
  19
  - Document Detection
    19
  - Pick-Up and Feed
    20
- Video Data Processing
  21
Printer

22
- Mechanisms
  22
  - Paper Feed
    22
  - Cutting
    23
  - Cutter Jam Detection
    23
- Circuits
  24
  - Video Data Processing
    24
  - Thermal Head
    24
Pcbs and THEIR FUNCTIONS

25
- Fcu
  25
- Mbu
  27
- Sbu
  28
- Opu
  28
- Ncu
  29
- Psu
  30
Installation

31
Connecting up the Machine

31
Initial Programming

32
Service Tables and Procedures

33
Service Level Functions

33
Bit Switches

43
Ncu Parameters

52
Dedicated Transmission Parameters

59
- Programming Procedure
  59
- Parameters
  60
Useful Ram Addresses

62
Special Tools and Lubricants

63
Replacement and Adjustment

64
Covers

64
- Top Cover
  64
- Front and Rear Covers
  64
Scanner

65
- ADF Clutch and Pick-Up and Feed Rollers
  65
- Separation Roller
  66
- Tx Motor
  67
- Timing Belt Tension Adjustments
  67
- Xenon Lamp
  68
- Xenon Lamp Driver
  68
- Sbu
  69
- SBU Adjustments
  69
Printer

73
- Rx Motor
  73
- Thermal Head
  73
- Cutter
  74
Pcbs

75
- FCU and Battery
  75
- Memory
  75
- Mbu
  76
- PSU and NCU
  77
- Operation Panel
  77
Troubleshooting

78
Copy Quality Troubleshooting

78
- Received Copies
  78
- Copies Made in Copy Mode
  78
Mechanical Problems

79
- Adf/Scanner
  79
- Printer
  82
Error Codes

84
Electrical Component Defects

90
- Defective Sensor Table
  90

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