Ricoh SP204SFNW Service Manual Page 98
- Page / 308
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Laser Unit
SM 4-37 M145/M146/M147/M148/M149/M150/M151
Replacement
and Adjustments
4.4 LASER UNIT
4.4.1 REMOVING THE LASER UNIT
There are no serviceable parts inside the laser unit. Never attempt to disassemble the
laser unit and then reinstall it in the machine.
Preparation
M133, M162, M144, M163, M145, M146, M164
(
page 4-4 "M133, M162,
M144, M163, M145, M146, M164
Covers")
AIO
Left Cover
Top Cover
M134, M141, M165, M147, M142
(
page 4-9 "M134, M141, M165, M147, M142 Covers, Platen Cover, Flatbed Unit")
AIO
Left Cover
Flatbed Unit
Inner Cover
M135, M143, M167, M149, M168, M150, M166, M148, M151, M169, M191
(
page 4-18 "M135, M143, M167, M149, M168, M150, M166, M148, M191, M151,
M169 Covers, Flatbed Unit, ADF")
AIO
Left Cover
ADF/Flatbed Unit
Inner Cover
1. Detach the screws [circles] and the connectors [arrows]. (
x 5, x 3)
- M145/M146/M147/M148/ 1
- M149/M150/M151 1
- SERVICE MANUAL 1
- WARNING 3
- DOCUMENTATION HISTORY 4
- TABLE OF CONTENTS 5
- READ THIS FIRST 11
- Timing belt 12
- Machine Names 13
- AIO (All In One) Cartridge 14
- Key Presses 15
- RoHS Compliance 15
- Warnings, Cautions, Notes 16
- General Safety Instructions 16
- Special Tools 18
- During Maintenance 18
- Organic Cleaners 19
- Power Plug and Power Cord 19
- Disposal of Used Items 20
- Accidental Physical Exposure 21
- Handling and Storing Toner 21
- Toner Disposal 22
- Health Safety Conditions 22
- Laser Safety 23
- Trademarks 24
- 1. PRODUCT INFORMATION 26
- 1.2 NEW PRODUCT INFORMATION 27
- Product 28
- Information 28
- Common AIO 29
- 1.2.2 FEATURE SUMMARY 30
- Duplex Printing 31
- Important Points to Remember 31
- 1.2.3 ABOUT AIO UNITS 32
- Toner-end Alert 33
- AIO Unit Specifications 33
- 1.2.4 GENERAL CONFIGURATION 35
- Configuration 37
- 1.2.5 OPERATION PANELS 39
- Operation Panel 41
- M191 Operation Panel 42
- Alert LEDs 42
- 1.2.6 OVERVIEW 43
- Drive Layout 45
- Image Writing 46
- 2. INSTALLATION 50
- 2.1.3 POWER REQUIREMENT 51
- 2.1.4 MACHINE LEVEL 51
- 2.1.5 SPACE REQUIREMENTS 52
- 2.1.6 MOVING THE MACHINE 53
- 2.1.8 IMPORTANT FEATURES 54
- 3. PREVENTIVE MAINTENANCE 58
- 3.1.2 ROUTINE CLEANING 59
- 4.1 BEFORE YOU BEGIN 62
- 4.2 BASIC PROCEDURES 65
- Front Cover 66
- Right Cover 67
- Left Cover 68
- Top Cover 69
- FLATBED UNIT 70
- Rear Cover 74
- Left Hinge 74
- Flatbed Scanner Unit 77
- Inner Cover 78
- Original Feed Tray 79
- ADF/Flatbed Unit 86
- Basic Procedures 91
- 4.3 OPERATION PANELS 94
- Operation Panels 97
- 5. Operation Panel 97
- 4.4 LASER UNIT 98
- Laser Unit 99
- 2. Laser Unit 99
- Replacement 100
- 4.5 PAPER PASS 102
- 4.5.1 PAPER FEED ROLLER 103
- 4.5.2 FRICTION PAD 105
- Paper Pass 107
- 5. Paper Transport Roller 107
- 4.5.4 IMAGE TRANSFER ROLLER 108
- 4.5.5 PAPER EXIT ROLLER 110
- 4.6 SENSORS 111
- 4.6.2 PAPER END SENSOR 112
- 4.6.3 BYPASS SET SENSOR 112
- 4.6.4 PAPER EXIT SENSOR 113
- 4.7 MAIN MOTOR 114
- Main Motor 115
- 3. Main Motor ( 115
- 4.8 CLUTCH 116
- 4.9 SWITCHES 117
- 4.9.2 INTERLOCK SWITCH 119
- 4.10 FUSING UNIT 120
- 4.10.2 FUSING EXIT ROLLER 122
- 4.10.3 PRESSURE ROLLER 122
- 4.10.5 THERMOSTAT 124
- 4.10.6 THERMISTOR 125
- 4.10.7 GROUND PLATE 125
- 4.11 PCB 126
- Re-installation 127
- M169, M191 MAIN BOARD 129
- FAX BOARD 133
- FAX SPEAKER 135
- 4.11.7 PSU 136
- 4.11.8 H.V.P.P 138
- 4.11.9 WI-FI MODULE 140
- 1. Open Left Cover 141
- 4.12 SCANNER UNIT 143
- M148, M151, M169, M191) 143
- ADF") 144
- 4.14 REFILLING THE AIO 145
- 4.14.2 WHAT YOU NEED 147
- 4.14.3 REFILL PROCEDURE 148
- SYSTEM MAINTENANCE REFERENCE 154
- 5.1 FIRMWARE UPDATE 156
- Maintenance 158
- Reference 158
- 5.2 UTILITIES 162
- Initial Screen 164
- Status Tab Change Button 166
- Job Log Tab 167
- User Tool Tab 169
- IP Address Setting dialog 170
- System Tab 171
- Printer Tab 173
- Copy Tab 174
- Fax Tab 176
- Scanner Tab 177
- Wi-FI Tab 179
- What Is Service Mode? 186
- Service Mode Screen 186
- Utilities 187
- System Settings 195
- Printer Features Settings 201
- Copier Features Settings 202
- Scanner Features Settings 211
- M143, M151, M169) 215
- M150, M151, M169) 216
- REVISION HISTORY 226
- 6. TROUBLESHOOTING 228
- When an Error Occurs 229
- Troubleshooting 230
- 6.1.3 SC TABLES 231
- SC100: Scanning 232
- SC200: Scanning 233
- SC400: Around the Drum 235
- SC500: Paper Feed, Transport 235
- SC600: Communication 240
- 6.1.4 ERROR CODES 241
- Supplement 249
- Service Calls 254
- 6.2 IMAGE PROBLEMS 255
- Image Problems 258
- 6.3 COMMON PROBLEMS 259
- 7. ENERGY SAVING 266
- Recommendations 267
- 7.2 PAPER SAVE 268
- Total Counter 269
- Energy Saving 270
- APPENDICES 273
- 1. APPENDIX: SPECIFICATIONS 277
- Appendix: 279
- Specifications 279
- M151, M169) 287
- 1.1.7 REPORTS 298
- Basic Format 299
- Configuration Page 299
- Test Page 300
- M168, M150, M151, M169) 304
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