User Manuals: Ricoh FAX3700l Plain Paper Fax

Manuals and User Guides for Ricoh FAX3700l Plain Paper Fax. We have 1 Ricoh FAX3700l Plain Paper Fax manual available for free PDF download: Service Manual

Ricoh FAX3700l Service Manual (256 pages)

Brand: Ricoh | Category: Fax Machine | Size: 5 MB

Table of Contents
3
Overall Machine Information

9
Specifications

9
Features

11
Component Layout

14
- Mechanical Components
  14
- Drive Components
  16
- Electrical Components
  18
  - Pcbs
    19
  - Motors
    19
  - Sensors
    20
  - Interlock Switches
    21
  - Others
    21
  - Optional Equipment
    22
Overall Machine Control

23
Video Data Path

24
- Transmission
  24
- Fdu
  24
- Reception
  25
- Copying
  26
- Printing from the Optional Printer Interface
  27
Power Distribution

28
- Distribution Diagram
  28
- Memory Back-Up Circuit
  29
Detailed Section Descriptions

30
Scanner

30
- Mechanisms
  30
  - Document Detection
    30
  - Pick-Up and Separation
    30
  - Drive Mechanism
    31
  - Image Scanning
    32
  - Sub Scan Resolution Conversion
    33
  - Stamping
    33
- Scanner Timing Chart
  34
  - Timing Chart
    34
  - Jam Conditions
    35
- Video Processing
  36
Printing

41
- Printing Process - Overview
  41
- OPC Drum
  42
- Charge
  42
- Laser Exposure
  44
  - Overview
    44
  - Block Diagram
    45
  - Error Conditions
    45
  - Print Density Adjustment
    46
  - Toner Saving Mode
    46
- Toner Supply
  47
- Development
  50
- Paper Feed
  55
  - Overview
    55
  - Paper Lift Mechanism
    56
  - Paper Size and Paper End Detection
    57
  - Pick-Up and Separation
    59
  - Drive Mechanism
    59
- Registration
  62
- Transfer and Separation
  64
- Cleaning
  67
- Fusing
  
  68
- Page Separation and Data Reduction
  
  72
  - Paper Size Selection
    74
System Features

75
Pcbs

88
- Fce2
  88
  - FCIP (Facsimile Controller and Image Processor)
    88
  - Modem (Rockwell R144EFXL)
    88
  - Rom
    89
  - Dram
    89
  - Sram
    89
  - Video SRAM
    89
  - Oscillators
    89
  - Power Saver CPU
    90
  - FPD (Facsimile Power Driver)
    90
  - EXIO (External I/O)
    90
  - HIC (Hybrid IC)
    90
  - DC/DC Converters
    90
  - Interlock Switches
    91
  - Jumpers, Switches, and Test Points
    91
- Psu
  91
- Ncu (Usa)
  92
  - Jumpers
    92
- NCU (Europe/Asia)
  93
  - Control Signals and Jumpers
    93
Installation

94
Installing the Machine

94
Initial Programming

94
Installing Optional Units

95
- Printer Interface
  95
- Counter
  96
- Handset
  96
- RS232C Interface
  97
Service Tables and Procedures

98
Service Level Functions

98
- Bit Switch Programming (Function 01)
  98
- System Parameter List (Function 02)
  99
- Error Code Display (Function 03)
  100
- Service Monitor Report (Function 04)
  100
- Protocol Dump (Function 05)
  101
- RAM Display/Rewrite (Function 06)
  101
- RAM Dump (Function 06)
  102
- Counter Display/Rewrite (Function 07)
  102
- NCU Parameters (Function 08)
  103
- Modem Test (Function 08)
  104
- DTMF Tone Test (Function 08)
  104
- Modem Detection Test (Function 08)
  105
- Ringer Test (Function 08)
  105
- Operation Panel Test (Function 09)
  106
- LED Array Test (Function 10)
  106
- ADF Test (Function 10)
  107
- Printer Test Patterns (Function 11)
  107
- Printer Mechanism Test - Free Run (Function 11)
  108
- Software Download (Function 12)
  109
- Software Upload (Function 12)
  110
- SRAM Data Download (Function 12)
  111
- Serial Number (Function 14)
  112
Bit Switches

113
- Scanner Switches
  122
- Printer Switches
  124
- Communication Switches
  127
- G3 Switches
  133
Ncu Parameters *

139
- Default Settings
  153
Dedicated Transmission Parameters

167
- Parameters
  168
Service Ram Addresses *

170
Special Tools and Lubricants

183
5 Replacement and Adjustment

184
Covers

184
- Rear Cover Assembly
  185
- Right Cover
  186
- Operation Panel and ADF Upper Unit
  187
- Operation Panel
  188
5.3. Adf . . . . . . . . . . . . . . . . . . . . . . . . 5-5

189
- Separation Rubber Plate
  189
- ADF Sensors
  190
- Scanner
  191
5.4. Scanner . . . . . . . . . . . . . . . . . . . . . 5-8

192
- R1/R2 Rollers
  192
- Contact Image Sensor
  193
Laser Printing Components

194
- Laser Diode Unit and Hexagonal Mirror Motor
  195
5.6. Development . . . . . . . . . . . . . . . . . . . 5-13

196
- Development
  196
- Transfer Roller
  197
- Replacing the Development Unit
  198
5.7. Fusing . . . . . . . . . . . . . . . . . . . . . . 5-18

201
- Fusing
  201
- Hot Roller Strippers
  203
- Hot Roller
  204
- Pressure Roller
  206
5.8. Paper Feed . . . . . . . . . . . . . . . . . . . . 5-24

207
- Paper Feed
  207
- Paper Feed Rollers, Paper Size Sensor, and Relay Connector
  208
- Registration Roller and Bypass Feed Sensor
  209
- Pcbs
  210
5.9. Pcbs . . . . . . . . . . . . . . . . . . . . . . . 5-27

211
- Power Pack
  211
  - Others
    212
5.11. 100 Sheet Paper Cassette (Optional) . . . . . . . 5-29

213
- Paper End Sensor and Drive Components
  213
- Paper Size Sensor
  214
Image Adjustment

215
- Scanner Parameters
  216
- Printer Parameters
  217
- Margins (Sub Scan Direction) *
  218
6 Troubleshooting

219
Copy Quality Troubleshooting

219
- Blank Copies
  220
- Black Copies
  221
- Dirty Background
  222
- Uneven Image Density
  223
- Vertical Black Lines
  224
- Horizontal Black Lines
  225
- Vertical White Lines
  226
- Horizontal White Lines
  227
- Black Dots/Spots
  228
- White Spots in Black Image Areas
  229
- Faint Copies
  230
- Vertical Black Band
  232
- Unfused Copies
  233
- Toner on the Back of the Printer Paper
  234
- Misaligned Output (Data Shifted to the Right or Left)
  235
Mechanical Problems

236
- Skew
  238
- Printer
  239
- Paper Jam - Inside Printer
  240
- Jam - Fusing Exit
  241
- Skew
  242
- Multi-Feed
  243
- Service Call Conditions
  244
6.3. Service Call Conditions . . . . . . . . . . . . . 6-26

248
Error Codes

248
Electrical Component Defects

255

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User Manuals: Ricoh FAX3700l Plain Paper Fax

Ricoh FAX3700l Service Manual (256 pages)

Table of Contents

Overall Machine Information

Specifications

Features

Component Layout

Overall Machine Control

Video Data Path

Power Distribution

Detailed Section Descriptions

Scanner

Printing

Fusing

Page Separation and Data Reduction

System Features

Pcbs

Installation

Installing the Machine

Initial Programming

Installing Optional Units

Service Tables and Procedures

Service Level Functions

Bit Switches

Ncu Parameters *

Dedicated Transmission Parameters

Service Ram Addresses *

Special Tools and Lubricants

5 Replacement and Adjustment

Covers

5.3. Adf . . . . . . . . . . . . . . . . . . . . . . . . 5-5

5.4. Scanner . . . . . . . . . . . . . . . . . . . . . 5-8

Laser Printing Components

5.6. Development . . . . . . . . . . . . . . . . . . . 5-13

5.7. Fusing . . . . . . . . . . . . . . . . . . . . . . 5-18

5.8. Paper Feed . . . . . . . . . . . . . . . . . . . . 5-24

5.9. Pcbs . . . . . . . . . . . . . . . . . . . . . . . 5-27

5.11. 100 Sheet Paper Cassette (Optional) . . . . . . . 5-29

Image Adjustment

6 Troubleshooting

Copy Quality Troubleshooting

Mechanical Problems

6.3. Service Call Conditions . . . . . . . . . . . . . 6-26

Error Codes

Electrical Component Defects

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