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Ricoh B047 Manuals
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Ricoh B047 manuals available for free PDF download: Service Manual
Ricoh B047 Service Manual (481 pages)
Service Manual
Brand:
Ricoh
| Category:
Printer
| Size: 14.2 MB
Table of Contents
Table of Contents
15
Service Manual
1
Important Safety Notices
13
Overall Machine Information
23
Specifications
25
Paper Path
27
Drum Processes
28
Mechanical Component Layout
30
Drive Layout
31
Electrical Component Layout
32
Detailed Section Descriptions
35
Drum
37
Drum Characteristics
37
Drum Drive
38
Charge
39
Overview
39
Charge Corona Circuit
40
Corona Unit Ventilation
41
Exposure
42
Overview
42
Basic Operation (Manual Feed)
43
Paper and Original Feed
43
Original Jam Check Timing
45
Drive Mechanism
46
Fl Regulator Control
47
Manual ID Control
48
Development
49
Overview
49
Drive Mechanism
50
Cross-Mixing
51
Toner Density Control
52
Recovery from Toner (Near) End Condition
53
Toner Near End Condition
53
Toner Density Sensor
54
Basic Concept
55
Development Bias
55
Manual Image Density Bias
55
Toner Supply
56
Image Transfer and Paper Separation
57
Image Transfer
57
Paper Separation
57
Pre-Transfer Lamp (Ptl)
57
Pick-Off Mechanism
58
T/S Corona Circuit
59
Cleaning
60
Overview
60
Collection of Used Toner
61
Quenching
62
Fusing and Paper Exit
63
Overview
63
Drive Mechanism
64
Fusing Unit Drive
64
Fusing Circuit Operation
65
Fusing Temperature Control
65
Overheat Protection
66
Temperature Control
67
Energy Saver Function
70
Fusing Entrance Guide Height
71
Roll Cutting Rail
72
Installation
73
Environment
75
Machine Level
76
Minimum Space Requirements
76
Power Source
77
Installation Procedure
78
Installation Procedure
86
Service Tables
91
Preventive Maintenance Schedule
93
Pm Table
93
Regular Pm Procedure
96
Service Tables
99
Test Points
99
Variable Resistors
99
Service Tools
100
Service Program Mode
100
Service Program Mode Access Procedure
100
Service Program Mode Table
102
Input/Output Check Mode
119
Input/Output Check Mode Access Procedure
119
Input Check Mode Table
120
Output Check Mode Table
121
Power on Initial Setting Mode
122
Jam Code List
123
Access Procedure
123
Jam Code Table
123
Special Tools and Lubricants
125
Service Remarks
126
Drum
126
Drum Unit
126
Charge Corona
127
Development
128
Optics
128
Cleaning Unit
129
Transfer and Separation
129
A Pressure Roller Evaluation Procedure
130
Fusing Unit
130
Original Feed
131
Others
131
Paper Feed
131
Roll Feeder
131
Exterior Covers
135
Left Lower Cover
135
Left Side Cover Removal
135
Left Upper Cover
135
Rear Cover Removal
135
Right Lower Front, Right Lower Middle, and Right Lower Rear Covers
135
Right Side Cover Removal
135
Right Upper Cover
135
Optics
136
Original Feed Unit Removal
136
Exposure Glass Removal
137
Exposure Lamp Removal
137
Fiber Optics Array Removal
138
Light Sensor Replacement
139
Development Unit Removal
140
Developer Removal
142
Toner Density Sensor Replacement
143
Ptl Replacement
144
Bias Voltage for Image Area
145
Development Bias Voltage Adjustment
145
Bias Voltage for Non-Image Area
146
Drum Unit
147
Drum Unit Removal
147
Drum Replacement
148
Cleaning Blade Replacement
149
Charge Corona Unit Removal
150
Charge Corona Wire Replacement
151
Pick-Off Pawl Unit Removal
152
Grid Voltage Adjustment
153
Drum Current Adjustment
154
Charge Current Adjustment
156
Transfer Current Adjustment
157
Separation Current Adjustment
158
Fusing
160
Fusing Unit Removal
160
Hot Roller Replacement
162
Pressure Roller Replacement
163
Hot Roller Stripper Unit Replacement
164
Pressure Roller Stripper Unit Replacement
164
Pressure Roller Thermistor Replacement
164
Fusing Thermofuse Replacement
165
Hot Roller Thermistor Replacement
165
Fusing Temperature Adjustment
166
T & S Corona Unit
167
T & S Corona Unit Removal
167
Preparation
168
Transfer and Separation Corona Wire Replacement
168
Separation Corona Wire Replacement
169
Transfer Corona Wire Replacement
169
Others
170
Ozone Filter Replacement
170
Anticondensation Heater Installation
171
Copy Quality Adjustment
172
Light Sensor Adjustment
173
Image Bias Adjustment
174
Registration Adjustment
175
Toner Density Adjustment
175
Troubleshooting
177
Copy Quality Troubleshooting
179
Low Image Density
179
Uneven Copy Image
180
Dirty Background
181
Black Line or Band
182
Entirely Blank Copy
183
Paper Creasing
184
Service Call Condition
185
SC Code E-1: Exposure Lamp Abnormal
185
SC Code E-2: Fusing Thermofuse Open
185
SC Code E-3: Hot Roller Thermistor Open
186
SC Code E-4: Hot Roller Thermistor Short
186
SC Code E-5: Pressure Roller Thermistor Open
186
SC Code E-6: Pressure Roller Thermistor Short
187
SC Code E-7: Fusing Overheat
187
SC Code E-8: Fusing Warm-Up Error
188
SC Code E-9: Toner Density Sensor Abnormal
188
SC Code E-10: Main Motor Abnormal
189
SC Code E-11: Toner Density Sensor Adjustment Error
189
Blown Fuse Table
190
Power Supply Unit
190
Roll Feeder
191
Specifications
193
Mechanical Component and Drive Layout
194
Electrical Component Descriptions
195
Mechanical Operation
197
Basic Operation
197
Cutter Unit Opening and Closing Mechanism
199
Cutter Operation
200
Service Tables
201
Blown Fuse Condition
201
Test Points
201
Exterior Cover Removal
209
Front Cover Removal
209
Left and Right Cover
209
Replacement and Adjustment
209
Cutter Unit Removal
210
Paper Feed Roller Replacement
211
Paper Feed Motor Timing Belt Tension Adjustment
212
5 MM (for 420 to 1189 MM
213
Cut Length Adjustment
213
Roll Feed Paper Skew Adjustment
214
Table of Contents
217
1 Overall Machine Information
227
Specifications
227
Paper Path
229
Mechanical Component
230
Drive Layout
232
Electrical Component Descriptions
233
2 Detailed Section Descriptions
237
Drum
237
Drum Drive
237
Exposure
238
Paper and Original Feed (A252 Only)
238
Development
240
Toner Density Control
240
Fusing and Paper Exit
241
Overview (A252 Copier)
241
3 Installation
243
Installation Requirements
245
Environment
245
Machine Level
246
Minimum Space Requirements
246
Power Source
247
Copier
248
Installation Procedure
249
Table (A)
256
Copy Tray (A836-10)
258
4 Service Tables
269
Service Tools
271
Service Program Mode
271
Input/Output Check Mode
279
Jam Code List
281
Jam Code Table
281
Service Remarks
285
Ac Drive Board
285
5 Replacement and Adjustment
287
Optics
289
Original Feed Unit Removal (A252 Only)
289
Exposure Glass Removal (A252 Only)
290
Fiber Optics Array Removal (A252 Only)
290
Exposure Lamp Removal
291
Light Sensor Replacement (A252 Only)
292
Synchro-Cut Length Adjustment (A252 Only)
293
Drum Unit
294
Drum Unit Removal
294
Fusing
295
Fusing Unit Removal
295
T & S Corona Unit
297
Transfer and Separation Corona Wire Replacement
297
Copy Quality Adjustment
299
Registration Adjustment
299
6 Troubleshooting
301
Service Call Conditiion
303
Sc Code E-14: Zero Cross Signal Detection Abnormal
303
Sc Code E-15: Main Switch Abnormal (U.s.a. Version Only)
303
Blown Fuse Table
304
Power Supply Unit
304
Detailed Section Descriptions/Detailed Section Descriptions
309
Specifications
324
Paper Path
325
Mechanical Components
326
Electrical Components
328
Detailed Section Descriptions
331
Detailed Section Descriptions
333
Exposure
333
Original Positioning
333
Paper and Original Feed (B048 Only)
333
Scanning
334
Start Key Enable
335
Toner Density Control
336
Recovery from Toner End Condition
337
Used Toner Collection
338
Fusing and Paper Exit
339
Overview
339
Hot Roller Temperature Control
340
Temperature Control
340
Energy Star Compliant Machines (All the Destination)
341
Installation
343
Installation Requirements
345
Environment
345
Machine Level
346
Minimum Space Requirements
346
Power Source
347
Installation Procedure
349
B047 Copier Only (Step 22 and 23)
356
B048 Copier Only (Step 21)
356
Table (B)
357
Copy Tray (B)
359
Roll Feeder1 and 2 (B435/B)
363
Roll Cutting Rail (B)
372
Service Call Conditions
413
Sc Code Descriptions
413
SC Code E-1: Exposure Lamp Abnormal
413
SC Code E-2: Fusing Thermofuse Open
413
SC Code E-3: Hot Roller Thermistor Open
413
SC Code E-4: Hot Roller Thermistor Short
414
SC Code E-5: Pressure Roller Thermistor Open
414
SC Code E-6: Pressure Roller Thermistor Short
414
SC Code E-7: Fusing Overheat
414
SC Code E-10: Main Motor Abnormal
415
SC Code E-11: Toner Density Sensor Adjustment Error
415
SC Code E-8: Fusing Warm-Up Error
415
SC Code E-9: Toner Density Sensor Abnormal
415
SC Code E-13: Total Counter Abnormal
416
SC Code E-14: Zero Cross Signal Detection Abnormal
416
SC Code E-15: Main Switch Abnormal
416
SC Code E-17: Unstable Fusing Temperature
416
SC Code E-18: Fusing Lamp Continuous Light
416
Blown Fuse Table
417
AC Drive Board
417
Europe Version
417
Power Supply Unit
417
Roll Feeder Unit
419
Overall Machine Information
421
Specifications
421
Detailed Section Descriptions
423
Mechanical Operation
423
Basic Operation
423
Drive Mechanism
425
Roll Edition Detection
425
Cutter Operation
426
Replacement and Adjustment
427
Cutter Unit Replacement
427
Roll Feed Leading Edge Sensor Replacement
428
Roll Feed Unit Removal
429
Roll Feed Clutch Replacement
430
Roll Feed Motor Replacement
431
Roll End Sensor Replacement
432
Cut Length Adjustment
433
Preset Cut : Adjustment Standards: 3 MM
433
Side Registration Adjustment
434
Receiving Tray Cover Assembly
480
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Ricoh B047 Service Manual (439 pages)
Brand:
Ricoh
| Category:
Copier
| Size: 6 MB
Table of Contents
Table of Contents
15
Overall Machine Information
21
Specifications
23
Component Layout and Descriptions
25
Paper Path
27
Drum Processes
28
Mechanical Component Layout
30
Drive Layout
32
Electrical Component Descriptions
33
Installation
37
Environment
39
Minimum Space Requirements
40
Machine Level
40
Power Source
41
Installation Procedure
42
Installation Procedure
50
Service Tables
55
Preventive Maintenance Schedule
57
Pm Table
57
Regular Pm Procedure
60
Service Tables
63
Test Points
63
Variable Resistors
63
Service Tools
64
Service Program Mode
64
Service Program Mode Access Procedure
64
Service Program Mode Table
66
Input/Output Check Mode
83
Input/Output Check Mode Access Procedure
83
Input Check Mode Table
84
Output Check Mode Table
85
Power on Initial Setting Mode
86
Jam Code List
87
Access Procedure
87
Jam Code Table
87
Special Tools and Lubricants
89
Service Remarks
90
Drum Unit
90
Drum
90
Charge Corona
91
Development
92
Optics
92
Cleaning Unit
93
Transfer and Separation
93
A Pressure Roller Evaluation Procedure
94
Fusing Unit
94
Original Feed
95
Others
95
Paper Feed
95
Roll Feeder
95
Replacement and Adjustment
97
Exterior Covers
99
Left Side Cover Removal
99
Left Lower Cover
99
Left Upper Cover
99
Right Side Cover Removal
99
Right Lower Front, Right Lower Middle, and Right Lower Rear Covers
99
Right Upper Cover
99
Rear Cover Removal
99
Rear Cover
99
Optics
100
Original Feed Unit Removal
100
Exposure Glass Removal
101
Fiber Optics Array Removal
102
Light Sensor Replacement
103
Development Unit Removal
104
Developer Removal
106
Toner Density Sensor Replacement
107
Ptl Replacement
108
Development Bias Voltage Adjustment
109
Drum Unit
111
Drum Replacement
112
Cleaning Blade Replacement
113
Charge Corona Unit Removal
114
Charge Corona Wire Replacement
115
Pick-Off Pawl Unit Removal
116
Drum Current Adjustment
118
Hot Roller Replacement
126
Pressure Roller Replacement
127
Hot Roller Stripper Unit Replacement
128
Pressure Roller Stripper Unit Replacement
128
Pressure Roller Thermistor Replacement
128
T & S Corona Unit Removal
131
Preparation
132
Transfer and Separation Corona Wire Replacement
132
Separation Corona Wire Replacement
133
Transfer Corona Wire Replacement
133
Others
134
Ozone Filter Replacement
134
Anticondensation Heater Installation
135
Copy Quality Adjustment
136
Light Sensor Adjustment
137
Image Bias Adjustment
138
Toner Density Adjustment
139
Registration Adjustment
139
Troubleshooting
141
Copy Quality Troubleshooting
143
Low Image Density
143
Uneven Copy Image
144
Dirty Background
145
Black Line or Band
146
Entirely Blank Copy
147
Paper Creasing
148
Service Call Condition
149
SC Code E-1: Exposure Lamp Abnormal
149
SC Code E-2: Fusing Thermofuse Open
149
SC Code E-3: Hot Roller Thermistor Open
150
SC Code E-4: Hot Roller Thermistor Short
150
SC Code E-5: Pressure Roller Thermistor Open
150
SC Code E-6: Pressure Roller Thermistor Short
151
SC Code E-7: Fusing Overheat
151
SC Code E-8: Fusing Warm-Up Error
152
SC Code E-9: Toner Density Sensor Abnormal
152
SC Code E-10: Main Motor Abnormal
153
SC Code E-11: Toner Density Sensor Adjustment Error
153
Blown Fuse Table
154
Power Supply Unit
154
Roll Feeder
155
Specifications
157
Mechanical Component and Drive Layout
158
Electrical Component Descriptions
159
Mechanical Operation
161
Basic Operation
161
Cutter Unit Opening and Closing Mechanism
163
Cutter Operation
164
Service Tables
165
Test Points
165
Blown Fuse Condition
165
Installation Procedure
166
Replacement and Adjustment
173
Exterior Cover Removal
173
Front Cover Removal
173
Left and Right Cover
173
Cutter Unit Removal
174
Paper Feed Roller Replacement
175
Paper Feed Motor Timing Belt Tension Adjustment
176
Cut Length Adjustment
177
MM (for 420 to 1189 MM)
177
Roll Feed Paper Skew Adjustment
178
Table of Contents
181
1 Overall Machine Information
191
Specifications
191
Paper Path
193
Mechanical Component
194
Drive Layout
196
Electrical Component Descriptions
197
2 Detailed Section Descriptions
201
Drum
201
Drum Drive
201
Exposure
202
Paper and Original Feed (A252 Only)
202
Development
204
Toner Density Control
204
Fusing and Paper Exit
205
Overview (A252 Copier)
205
3 Installation
207
Installation Requirements
209
Environment
209
Machine Level
210
Minimum Space Requirements
210
Power Source
211
Copier
212
Table (A)
220
Copy Tray (A836-10)
222
4 Service Tables
233
Service Tools
235
Service Program Mode
235
Input/Output Check Mode
243
Output Check Mode Table
244
Jam Code List
245
Jam Code Table
245
Service Remarks
249
Ac Drive Board
249
5 Replacement and Adjustment
251
Optics
253
Original Feed Unit Removal (A252 Only)
253
Exposure Glass Removal (A252 Only)
254
Fiber Optics Array Removal (A252 Only)
254
Exposure Lamp Removal
255
Light Sensor Replacement (A252 Only)
256
Synchro-Cut Length Adjustment (A252 Only)
257
Drum Unit
258
Drum Unit Removal
258
Fusing
259
Fusing Unit Removal
259
T & S Corona Unit
261
Transfer and Separation Corona Wire Replacement
261
Copy Quality Adjustment
263
Registration Adjustment
263
6 Troubleshooting
265
Service Call Conditiion
267
Sc Code E-14: Zero Cross Signal Detection Abnormal
267
Sc Code E-15: Main Switch Abnormal (U.s.a. Version Only)
267
Blown Fuse Table
268
Power Supply Unit
268
Detailed Section Descriptions/Detailed Section Descriptions
273
Troubleshooting
277
Specifications
288
Paper Path
289
Mechanical Components
290
Electrical Components
292
Detailed Section Descriptions
295
2 Detailed Section Descriptions
297
Exposure
297
Original Positioning
297
Paper and Original Feed (B048 Only)
297
Scanning
298
Start Key Enable
299
Toner Density Control
300
Recovery from Toner End Condition
301
Used Toner Collection
302
Fusing and Paper Exit
303
Overview
303
Hot Roller Temperature Control
304
Temperature Control
304
Energy Star Compliant Machines (All the Destination)
305
3 Installation
307
Installation Requirements
309
Environment
309
Machine Level
310
Minimum Space Requirements
310
Power Source
311
Installation Procedure
313
B047 Copier Only (Step 22 and 23)
320
B048 Copier Only (Step 21)
320
Service Program Mode
339
Service Call Conditions
377
Sc Code Descriptions
377
Roll Edition Detection
389
Cutter Unit Replacement
391
Roll Feed Unit Removal
393
Roll Feed Clutch Replacement
394
Roll Feed Motor Replacement
395
Roll End Sensor Replacement
396
Cut Length Adjustment
397
Side Registration Adjustment
398
Ricoh B047 Service Manual (96 pages)
Brand:
Ricoh
| Category:
Copier
| Size: 1.68 MB
Table of Contents
Table of Contents
5
1 Overall Machine Information
11
Specifications
11
With "*" in
11
Paper Path
13
Mechanical Components
14
Electrical Components
16
2 Detailed Section Descriptions
18
Exposure
18
Paper and Original Feed (B048 Only)
18
Original Positioning
18
Scanning
19
Start Key Enable
20
Toner Density Control
21
Recovery from Toner End Condition
22
Development Bias
58
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Ricoh B047 Service Manual (25 pages)
Brand:
Ricoh
| Category:
Copier
| Size: 0.25 MB
Table of Contents
Table of Contents
3
Specifications
11
Troubleshooting
12
Mechanical Component
13
Paper Path
15
Minimum Space Requirements
16
Charge
17
Exposure
18
Transfer and Separation
19
Drive Mechanism
20
Roll Cutting Rail
23
Table of Contents
25
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