Ricoh A203 Manuals

Manuals and User Guides for Ricoh A203. We have 1 Ricoh A203 manual available for free PDF download: Field Service Manual

Ricoh A203 Field Service Manual (397 pages)

Ricoh Laser MFP Field service manual

Brand: Ricoh | Category: All in One Printer | Size: 5.52 MB

Service Manual
1
Table of Contents
11
Important Safety Notices
23
Section 1 Overall Machine Information

29
Specifications

29
Section 2 Guide to Components

33
Mechanical Component Layout

35
- Electrical Component Layout
  36
Electrical Component Descriptions

37
Drive Layout

40
Section 3 Installation

43
Installation Requirements

45
- Environment
  45
- Machine Level
  45
- Minimum Space Requirements
  46
- Power Requirements
  46
Installation Procedure

47
Section 4 Service Tables

55
Service Remarks

57
- General Caution
  57
- Drum
  57
- Charge Corona
  58
- Optics
  59
- Development
  60
- Toner Supply
  60
- Transfer and Separation
  61
- Cleaning Unit
  61
- Fusing Unit
  61
- Paper Feed
  62
- Document Feeder
  62
- Others
  62
Service Program Mode

64
Service Tables

81
- Test Points
  81
  - Dip Switches and Jumper Switches
    82
  - Variable Resistors
    83
Special Tools and Lubricants

84
Preventive Maintenance Schedule

85
- Pm Table
  85
- Explanation of Regular Pm
  88
- Regular Pm Procedure
  90
Defective Component Tables

92
Section 5 Replacement & Adjustment

97
Exterior and Inner Covers

97
- Exterior Cover Removal
  97
  - Front Cover
    97
  - Right Cover
    97
  - Upper Left Cover
    98
  - Lower Left Cover
    98
  - Upper Rear Cover
    98
  - Lower Rear Cover
    98
  - Upper Cover
    99
- Inner Cover Removal
  100
Optics

101
- Exposure Glass Removal
  101
- 1St Mirror Removal
  102
- 2Nd and 3Rd Mirror Removal
  104
- 4Th and 5Th Mirror Replacement
  106
- Exposure Lamp Replacement
  107
- Thermofuse Replacement
  109
- Scanner Drive Wire Replacement
  110
  - Wire Removal
    110
  - Wire Installation
    111
- Scanner Motor Replacement
  117
- LENS DRIVE MOTOR REPLACEMENT (FT3213 Copier Only)
  118
- 4TH/5TH MIRROR MOTOR REPLACEMENT (FT3213 Copier Only)
  120
Development and Toner Supply

121
- Development Unit Removal
  121
- Toner Supply Unit Removal
  122
- Developer Replacement
  123
- Inlet Seal Removal
  124
- Toner Supply Clutch Replacement
  125
- Development Bias Voltage Adjustment (Sp9-38)
  126
Cleaning

127
- Cleaning Unit Removal
  127
- Cleaning Blade Replacement
  128
- Used Toner Collection
  129
- Entrance Seal Replacement
  130
Paper Feed

131
- Feed Roller Replacement
  131
Around the Drum

138
- Drum Replacement
  138
- Quenching Lamp Replacement
  140
- Erase Lamp Replacement
  141
- Charge Corona Wire Replacement
  142
- Charge Corona Grid Plate Replacement
  143
- Transfer/Separation Corona Wire Replacement
  144
- ID Sensor Replacement
  147
- Pick-Off Pawl Replacement
  148
- Transfer/Separation Power Pack Replacement
  149
- Corona Current Adjustment
  151
- Charge Corona Current Adjustment (SP9-2)
  153
Fusing

158
- Exit Unit Removal
  158
- Fusing Unit Removal
  159
- Hot Roller Replacement
  162
- Pressure Roller Replacement
  164
- Fusing Lamp Replacement
  165
- Fusing Thermoswitch Replacement
  166
- Fusing Thermistor Replacement
  167
- Fusing Pressure Adjustment
  168
Copy Quality Adjustment

169
- Light Intensity Adjustment
  170
- Side-To-Side Exposure Adjustment
  171
- Image Bias Voltage Adjustment
  172
- Toner Density Adjustment
  173
- Fixed Toner Supply Mode Selection
  173
- Toner Supply Ratio Selection
  173
- ID SENSOR (Vsg) ADJUSTMENT
  174
- ADS (Auto Image Density Sensor) ADJUSTMENT
  175
- Horizontal Magnification Adjustment
  176
- Vertical Magnification Adjustment
  177
- Focus Adjustment
  178
- Leading Edge Erase Margin Adjustment
  179
- Registration Adjustment
  179
- Side-To-Side Registration Adjustment
  180
- 4Th/5Th Mirror Height Adjustment
  183
Others

184
Section 6 Troubleshooting

193
Copy Quality

195
- Blank Copy (White Copy)
  195
- Dirty Background
  198
- Uneven Image Density
  201
- Vertical Black Bands
  202
- Vertical Black Lines
  203
- Vertical White Lines or Bands-1 (Dull or Blurred)
  204
- Vertical White Lines or Bands-2 (Thin, Distinct)
  205
- Horizontal Black/White Lines
  206
- Jitter
  207
- Black Spots on the Copy Image
  208
- Skewed (Optical) Copy Image
  209
- Toner Density too High
  210
- Toner Density too Low
  212
- Toner Scattering
  214
- Unfused Copy Image
  215
- Paper Misfeed
  216
- Transfer Failure
  217
- Df Original Misfeed or Skew
  218
Service Call Conditions

219
3 Electrical Component Defects . . . . . . 6-53

247
- Defective Sensor Table
  247
- Defective Switches or Other Electrical
  248
  - Components
    248
  - Specifications
    253
17 Preventive Maintenance Schedule . . . . 8-51

260
Replacement and Adjustment

260
- Feed Roller Replacement
  264
1 Specifications . . . . . . . . . . . . . . . 8-1

282
Copy Process Control

282
Electrical Component Layout

284
- Electrical Component Descriptions
  285
- Drive Layout
  286
7 Power Distribution . . . . . . . . . . . . 8-10

290
Drum Charge

290
9 Optics . . . . . . . . . . . . . . . . . . . 8-14

292
- Lens Positioning
  292
- Exposure Lamp Control Circuit
  293
10 Development . . . . . . . . . . . . . . . 8-16

294
- Development Bias Circuit
  294
- Toner Supply and Agitator Drive Mechanism
  296
12 Paper Feed . . . . . . . . . . . . . . . . 8-19

297
- Paper Length Detection (Paper Feed Station)
  297
Image Fusing

298
- Overheat Protection
  298
- Fusing Lamp Control Circuit
  298
14 Installation . . . . . . . . . . . . . . . 8-21

299
15 Service Program Mode . . . . . . . . . . 8-34

312
- Access Procedure 1-Key Operation
  312
  - Memory Clear Procedure
    313
- Clear All Memory Procedure
  314
- Sp Mode 8-Input Check
  324
- Sp Mode 9–Output Check
  325
- Test Points
  326
  - Charge Corona Current Adjustment
    332
2 Component Layout . . . . . . . . . . . . . 9-2

340
- Mechanical Components
  340
- Electrical Components
  340
4 Power Distribution . . . . . . . . . . . . 9-4

343
Basic Operation

343
Interface Circuit

344
Original Feed

345
- Original Separation Mechanism
  346
- Dip Switches
  351
5 Replacement and Adjustment . . . . . . . 7-8

352
- Transport Belt Replacement
  352
- Friction Belt Replacement
  357
- Tech Service Bulletin No. 3013/3213-001 REISSUE
  362
- Temporary Production Countermeasure
  362
- The Shaded Areas of the Torsion Bar Angles Have Been
  362
- Units Affected
  362
- All FT3013/3213 Copiers Manufactured During
  362
- Permanent Countermeasure
  362
- Units Affected
  369
- Field Service Manual - Insert
  370
- Pages
  370
- Description
  383
- Reference
  394
- Item
  394

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Ricoh A203 Manuals

Ricoh A203 Field Service Manual (397 pages)

Table of Contents

Section 1 Overall Machine Information

Specifications

Section 2 Guide to Components

Mechanical Component Layout

Electrical Component Descriptions

Drive Layout

Section 3 Installation

Installation Requirements

Installation Procedure

Section 4 Service Tables

Service Remarks

Service Program Mode

Service Tables

Special Tools and Lubricants

Preventive Maintenance Schedule

Defective Component Tables

Section 5 Replacement & Adjustment

Exterior and Inner Covers

Optics

Development and Toner Supply

Cleaning

Paper Feed

Around the Drum

Fusing

Copy Quality Adjustment

Others

Section 6 Troubleshooting

Copy Quality

Service Call Conditions

3 Electrical Component Defects . . . . . . 6-53

17 Preventive Maintenance Schedule . . . . 8-51

Replacement and Adjustment

1 Specifications . . . . . . . . . . . . . . . 8-1

Copy Process Control

Electrical Component Layout

7 Power Distribution . . . . . . . . . . . . 8-10

Drum Charge

9 Optics . . . . . . . . . . . . . . . . . . . 8-14

10 Development . . . . . . . . . . . . . . . 8-16

12 Paper Feed . . . . . . . . . . . . . . . . 8-19

Image Fusing

14 Installation . . . . . . . . . . . . . . . 8-21

15 Service Program Mode . . . . . . . . . . 8-34

2 Component Layout . . . . . . . . . . . . . 9-2

4 Power Distribution . . . . . . . . . . . . 9-4

Basic Operation

Interface Circuit

Original Feed

5 Replacement and Adjustment . . . . . . . 7-8

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