Ricoh A152 Manuals

Manuals and User Guides for Ricoh A152. We have 3 Ricoh A152 manuals available for free PDF download: Field Service Manual, Service Manual, Operating Instructions Manual

Ricoh A152 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

Ricoh A152 Service Manual (273 pages)

Brand: Ricoh | Category: All in One Printer | Size: 3.84 MB

Observance of Electrical Safety Standards
2
Safety and Ecological Notes for Disposal
2
Overall Machine Information
3
Specifications
4
Copy Processes Around the Drum
7
Copy Process Control
9
Mechanical Component Layout
10
Electrical Component Layout
11
Electrical Component Descriptions
12
Drive Layout
15
Power Distribution
17
Detailed Section Descriptions
19
Drum Charge
22
Charge Corona Wire Cleaner Mechanism
23
Charge Corona Circuit
24
Grid Voltage Correction
25
Grid Voltage for Image Density Control
26
Scanner Drive
31
Automatic Image Density Sensing
35
Exposure Lamp Control Circuit
38
Drive Mechanism
44
Development Bias Circuit
50
Toner Density Detection and Toner Supply
51
Abnormal Condition in Toner Density Detection
53
Toner Supply and Agitator Drive Mechanism
55
Image Transfer and Paper Separation
61
Drum Cleaning
63
Paper Feed and Registration
66
Paper Lift Mechanism
67
PAPER LENGTH DETECTION (Paper Feed Station)
68
Paper Feed Drive Mechanism
69
Paper Feed and Misfeed Detection Timing
72
Image Fusing
73
Fusing Lamp Control Circuit
75
Fusing Lamp Control
77
Energy Saver Function
78
Installation
79
Installation Requirements
80
Machine Level
80
Minimum Space Requirements
81
Power Requirements
81
Installation Procedure
82
Accessory Check
82
Copier Installation Procedure
83
Key Counter Holder Installation (Option)
89
Service Tables
90
Service Remarks
91
General Caution
91
Charge Corona
92
Toner Supply
94
Transfer and Separation
95
Cleaning Unit
95
Fusing Unit
95
Document Feeder
96
Service Program Mode Operation
98
Service Program Mode Table
103
Sp Mode 8-Input Check
111
Sp Mode 9-Output Check
112
Service Call and User Code Table
113
Test Points
115
Dip Switches and Jumper Switches
116
Variable Resistors
117
Special Tools and Lubricants
118
Preventive Maintenance Schedule
119
Explanation of Regular Pm
122
Regular Pm Procedure
124
Replacement and Adjustment
126
Exterior and Inner Covers
127
Exterior Cover Removal
127
Inner Cover Removal
130
Exposure Glass Removal
131
1St Mirror Removal
132
2Nd and 3Rd Mirror Removal
134
4Th and 5Th Mirror Replacement
136
Exposure Lamp Replacement
137
Thermofuse Replacement
139
Scanner Drive Wire Replacement
140
Scanner Motor Replacement
147
Lens Drive Motor Replacement
148
Development and Toner Supply
150
Development Unit Removal
150
Toner Supply Unit Removal
151
Developer Replacement
152
Inlet Seal Removal
153
Toner Supply Clutch Replacement
154
Development Bias Voltage Adjustment (Sp9-38)
155
Cleaning Unit Removal
156
Cleaning Blade Replacement
157
Used Toner Collection
158
Entrance Seal Replacement
159
Paper Feed
160
Feed Roller Replacement
160
Paper Tray Switch Replacement
162
Relay Sensor and Registration Sensor Replacement
163
Relay Roller Clutch, Paper Feed Clutch and Registration Clutch Replacement
165
Around the Drum
167
Drum Replacement
167
Quenching Lamp Replacement
169
Erase Lamp Replacement
170
Charge Corona Wire Replacement
171
Charge Corona Grid Plate Replacement
172
Transfer/Separation Corona Wire Replacement
173
ID Sensor Replacement
176
Pick-Off Pawl Replacement
177
Transfer/Separation Power Pack Replacement
178
Corona Current Adjustment
180
Exit Unit Removal
187
Fusing Unit Removal
188
Hot Roller Replacement
191
Pressure Roller Replacement
193
Fusing Lamp Replacement
194
Fusing Thermoswitch Replacement
195
Fusing Thermistor Replacement
196
Fusing Pressure Adjustment
197
Copy Quality Adjustment
198
Light Intensity Adjustment
199
Side-To-Side Exposure Adjustment
200
Image Bias Voltage Adjustment
201
Toner Density Adjustment
202
Fixed Toner Supply Mode Selection
202
Toner Supply Ratio Selection
202
ID SENSOR (Vsg) ADJUSTMENT
203
ADS (Auto Image Density Sensor) ADJUSTMENT
204
Vertical Magnification Adjustment
206
Focus Adjustment
207
Leading Edge Erase Margin Adjustment
208
Registration Adjustment
208
Side-To-Side Registration Adjustment
209
Ozone Filter Replacement
213
Optional Equipment Installation
215
Troubleshooting
218
Copy Quality
219
Blank Copy (White Copy)
219
Dirty Background
222
Uneven Image Density
225
Vertical Black Bands
226
Vertical Black Lines
227
Vertical White Lines or Bands-1 (Dull or Blurred)
228
Vertical White Lines or Bands-2 (Thin, Distinct)
229
Horizontal Black/White Lines
230
Black Spots on the Copy Image
232
Skewed (Optical) Copy Image
233
Toner Density too High
234
Toner Density too Low
236
Toner Scattering
238
Unfused Copy Image
239
Paper Misfeed
240
Transfer Failure
241
Df Original Misfeed or Skew
242
Service Call Conditions
243
Df Communication Error
266
Electrical Component Defects
270
Fuses and Circuit Breakers
272

Ricoh A152 Operating Instructions Manual (117 pages)

Brand: Ricoh | Category: Copier | Size: 1.64 MB

Safety During Operation
2
Safety Information
2
General Safety Information
3
Copier Environment
4
Installation Requirements
4
Power Connection
4
Access to Copier
5
Copy Paper
5
Use and Storage of Supplies
5
Toner Storage
6
Operation Panel
10
Paper Storage
6
Copying

14
- Starting the Copier
  14
- Full Size Copying
  15
- Bypass Feed Copying
  17
- Reduced and Enlarged Copying (Type 2 Only)
  18
- Zoom Copying (Type 2 Only)
  19
- Special Features
  20
Replenishing Supplies

21
- Loading Paper
  21
- Changing Paper Size
  22
- Adding Toner
  23
Optional Document Feeder

25
- Recommended Originals
  26
- Non-Recommended Originals
  26
- Bypass Feed Copying with the Document Feeder
  29
  - Troubleshooting
    30
  - Clearing Misfeeds
    30
  - Troubleshooting Guide
    38
  - Service Codes
    40
  - Daily Maintenance
    41
  - Main Copier
    44
  - Table of Contents
    51
User Tools

88
Daily Maintenance

105
- Copier
  105
User Remarks

112
Do's and Don'ts

112
- Copier
  112
- Document Feeder
  112
Specifications

112
- Document Feeder (Option)
  113
Index

116

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Ricoh A152 Manuals

Ricoh A152 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

Ricoh A152 Service Manual (273 pages)

Table of Contents

Ricoh A152 Operating Instructions Manual (117 pages)

Table of Contents

Copying

Replenishing Supplies

Optional Document Feeder

User Tools

Daily Maintenance

User Remarks

Do's and Don'ts

Specifications

Index

Related Products

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