Ricoh Aficio SP4210N Service Manual Page 238
- Page / 322
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Printing Process
M001 6-12 SM
6.3.5 DEVELOPMENT
Toner Supply and Development
1. Toner tank
2. Agitator
3. Pre-doctor blade
4. Development roller
5. Drum
6. Doctor blade
7. Reverse roller
8. Developer tank
Toner Supply
The agitator [2] mixes toner and sends it to the development roller.
Development Unit
This machine uses a one-roller development system. The high voltage supply applies
-700V to the development roller.
When the user removes the developer seal, the developer falls and the magnetic reverse
roller [7] mixes the developer.
This machine does not use a TD sensor or ID sensor to control toner density. The
pre-doctor blade [3] and the doctor blade [6] control the toner density.
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA
- SERVICE MANUAL 1
- CÓPIA NÃO CONTROLADA 10
- DOCUMENTATION HISTORY 11
- TABLE OF CONTENTS 13
- M001 ii SM 14
- TROUBLESHOOTING 15
- DETAILED DESCRIPTIONS 16
- SM v M001 17
- SPECIFICATIONS 18
- Read This First 21
- Caution Labels 23
- Conventions and Trademarks 24
- Trademarks 25
- INSTALLATION 27
- 1. INSTALLATION 29
- 1.1.2 MACHINE LEVEL 30
- 1.1.3 REQUIRED SPACE 30
- 1.1.4 POWER SUPPLY 31
- 1.2 MACHINE INSTALLATION 32
- PREVENTIVE MAINTENANCE 35
- 2. PREVENTIVE MAINTENANCE 37
- 2.2 SERVICE MAINTENANCE 38
- REPLACEMENT & ADJUSTMENT 41
- 3.1 GENERAL 43
- 3.2 SPECIAL TOOLS 45
- 3.3 COVERS 46
- 3.3.2 LEFT COVER 47
- 3.3.3 BY-PASS TRAY UNIT 48
- 3.3.4 FRONT COVER 48
- 3.3.5 RIGHT COVER 49
- 3.4 LASER UNIT 50
- 3.4.4 LASER UNIT 53
- 3.4.5 LASER DIODE UNIT 54
- 3.5 TRANSFER ROLLER 56
- 3.6 TONER END SENSOR 57
- 3.7 FUSING 58
- 3.7.3 PRESSURE ROLLER 61
- 3.7.5 HOT ROLLER STRIPPERS 63
- 3.8 PAPER FEED 64
- 3.8.2 FRICTION PAD 65
- 3.9 BY-PASS TRAY 66
- 3.11 ENGINE BOARD 68
- 3.12 MAIN MOTOR 69
- 3.13 CLUTCHES 70
- 3.14 PSU, HVPS 73
- 3.15 FANS 75
- 3.15.2 PSU FAN 76
- 4. TROUBLESHOOTING 79
- 4.1.2 SC CODE DESCRIPTIONS 80
- 4.2 ERROR MESSAGES 100
- 4.3 GENERAL TROUBLESHOOTING 107
- 4.3.2 ELECTRICAL DEFECTS 108
- 4.3.3 SKEW ADJUSTMENT 111
- 4.3.5 MISCELLANEOUS PROBLEMS 113
- SERVICE TABLES 115
- 5. SERVICE TABLES 117
- Setting a Service Program 118
- Exiting Service Mode 118
- 5.3.1 SERVICE MODE TABLE 124
- SP2-xxx: Drum 128
- SP3-xxx: Process 130
- SP5-xxx: Mode 132
- SP7-xxx: Data Log 175
- SP8XXX: Data Log 2 190
- 5.4 FIRMWARE UPDATE 202
- 5.4.2 PRECAUTIONS 203
- 5.5.1 UPLOADING NVRAM DATA 206
- 5.6.1 OVERVIEW 210
- 5.6.2 MOVE EXEC 211
- 5.6.3 UNDO EXEC 212
- 5.8 MENU MODE 214
- 5.10 CARD SAVE FUNCTION 221
- 5.10.2 PROCEDURE 222
- Error Messages 223
- 5.10.3 ERROR MESSAGES 224
- 6. DETAILED DESCRIPTIONS 227
- 6.1.2 PAPER PATH 228
- 6.2 BOARD STRUCTURE 229
- 6.2.2 CONTROLLER BOARD 230
- 6.3 PRINTING PROCESS 231
- 6.3.2 LASER EXPOSURE 232
- LD Safety Mechanisms 234
- 6.3.3 CARTRIDGE OVERVIEW 236
- 6.3.4 DRUM CHARGE 237
- 6.3.5 DEVELOPMENT 238
- Toner Density Control 239
- 6.3.6 TONER END DETECTION 241
- Main Motor Rotation Count 242
- Toner Overflow Prevention 242
- Summary 244
- 6.4 PAPER FEED 246
- 6.4.2 PAPER TRAY 248
- Paper Lift 249
- Paper Size Detection 251
- Paper End Detection 252
- Remaining Paper Detection 253
- 6.4.3 BY-PASS TRAY 254
- 6.5.1 OVERVIEW 255
- 6.5.2 FUSING DRIVE 256
- 6.5.4 PRESSURE ROLLER 257
- Overheat Protection 260
- 6.5.7 PAPER EXIT 261
- 6.5.8 ENERGY SAVER MODE 262
- 6.6 CONTROLLER FUNCTIONS 263
- 7. SPECIFICATIONS 267
- 7.1.2 EXTERNAL OPTIONS 270
- 7.1.3 PAPER SIZES 271
- Envelopes 274
- 7.1.4 OPERATING ENVIRONMENT 275
- 7.2.1 CONTROLLER BOARD 277
- 7.2.2 PRINTING FUNCTIONS 278
- 7.2.3 PRINTER DRIVERS 279
- 7.2.4 SUPPORTED ENVIRONMENTS 282
- Mac OS Environments 283
- UNIX Environment 284
- Novell Netware 284
- SAP R/3 Environment 285
- 7.2.6 SUPPORTED UTILITIES 288
- 7.3 MACHINE CONFIGURATION 289
- DUPLEX UNIT AD1000 291
- 1.1 COVERS 295
- G893 2 SM 296
- 1.3 INVERTER MOTOR 297
- 2. DETAILED DESCRIPTIONS 298
- 2.1.2 DRIVE COMPONENTS 299
- 2.1.3 ELECTRICAL COMPONENTS 299
- G893 6 SM 300
- 2.2 DUPLEXING 301
- Duplexing 303
- 2.3 SAFETY FUSE 304
- & 305
- G894 PAPER FEED UNIT TK1030 305
- G894/G362 307
- 1.1 PAPER FEED UNIT 309
- 1.2 PAPER FEED ROLLER 310
- 1.3 FRICTION PAD 311
- 1.5 PAPER TRAY BOARD 313
- 1.6 PAPER SIZE SWITCH 314
- 2.3 PAPER LIFT 317
- 2.4 PAPER END DETECTION 318
- 2.6 PAPER SIZE DETECTION 320
- 2.7 SAFETY FUSE 321
- 3. ENVELOPE FEEDER 322
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