Ricoh AP4510 Service Manual Page 212
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- Table of contents
- TROUBLESHOOTING
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PRINTING PROCESS OVERVIEW
G065 6-8 SM
6.3 PRINTING PROCESS OVERVIEW
Drum Charge
The charge roller [A] gives a negative charge to the organic photoconductive
(OPC) drum. The charge remains on the surface of the drum because the OPC
layer has a high electrical resistance in the dark.
Laser Exposure
The image data is projected onto the drum by two laser beams [B], which form an
electrostatic latent image on the drum surface. The amount of charge remaining as
a latent image on the drum depends on the laser beam intensity, controlled by the
BICU.
Development
The magnetic developer brush on the development roller [C] contacts the latent
image on the drum. Toner particles are electrostatically attracted to the areas of the
drum surface where the laser reduced the negative charge on the drum.
G065D111.WMF
[D]
[E]
[F]
[C]
[B]
[A]
[H]
[G]
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA
- SERVICE MANUAL 1
- CÓPIA NÃO CONTROLADA 10
- DOCUMENTATION HISTORY 11
- TABLE OF CONTENTS 13
- REPLACEMENT AND ADJUSTMENT 14
- SM iii G065 15
- TOUBLESHOOTING 16
- DETAILED DESCRIPTIONS 17
- G065 vi SM 18
- BRIDGE UNIT B397 19
- SPECIFICATIONS 19
- IMPORTANT SAFETY NOTICES 21
- LASER SAFETY 22
- INSTALLATION 27
- 1. INSTALLATION 29
- INSTALLATION REQUIREMENTS 30
- 1.2 MACHINE INSTALLATION 31
- 1.4 SYMBOLS USED IN TEXT 31
- 1.5 LCT INSTALLATION (A683) 32
- 1.1.2 INSTALLATION PROCEDURE 33
- LCT INSTALLATION (A683) 34
- 1.6.1 ACCESSORY CHECK 35
- SM 1-9 G065 37
- Installation 37
- 1.7.1 ACCESSORY CHECK 38
- G065 1-12 SM 40
- SM 1-13 G065 41
- 1.8.1 ACCESSORY CHECK 42
- G065 1-16 SM 44
- SM 1-17 G065 45
- G065 1-18 SM 46
- 1.9.1 ACCESSORY CHECK 47
- SM 1-21 G065 49
- G065 1-22 SM 50
- 1.10.1 ACCESSORY CHECK 51
- 1.1.3 INSTALLATION PROCEDURE 52
- MAILBOX INSTALLATION (G909) 53
- 1.11.1 ACCESSORY CHECK 55
- 1.11.2 INSTALLATION PROCEDURE 56
- SM 1-29 G065 57
- G065 1-30 SM 58
- SM 1-31 G065 59
- G065 1-32 SM 60
- PREVENTIVE MAINTANENCE 61
- 2.1 PM TABLES 63
- 2.1.2 PM TABLES FOR OPTIONS 65
- 3.1 GENERAL CAUTIONS 69
- 3.2.1 SPECIAL TOOLS 70
- 3.2.2 LUBRICANTS 70
- 3.2.3 SYMBOLS USED IN TEXT 70
- 3.3 FRONT DOOR 71
- 3.4 DUPLEX UNIT 71
- 3.5 UPPER RIGHT COVER 72
- 3.6 BY-PASS TRAY UNIT 73
- 3.7 REAR COVERS 74
- 3.8 LEFT COVERS 75
- 3.1.2 OPERATION PANEL 76
- 3.1.3 PAPER OUTPUT TRAY 77
- 3.9 LASER UNIT 78
- 3.1.2 LASER UNIT 79
- 3.1.3 POLYGON MIRROR MOTOR 80
- 3.1.5 LD UNIT 81
- Laser Beam Pitch Adjustment 82
- 3.10 PCDU 83
- 3.10.2 DRUM 84
- 3.10.3 PICK-OFF PAWLS 85
- G065 3-18 SM 86
- 3.10.5 DRUM CLEANING BLADE 87
- 3.10.6 ID SENSOR 88
- 3.11 DEVELOPMENT 89
- 3.1.2 DEVELOPMENT FILTER 90
- 3.1.3 DEVELOPMENT ROLLER 91
- 3.1.4 DEVELOPER 92
- 3.1.5 TD SENSOR 94
- 3.12 TRANSFER UNIT 95
- 3.12.2 TRANSFER BELT 96
- Transfer Belt Cleaning Blade 97
- Toner Overflow Sensor 97
- R: Red, P: Purple, B: Blue 98
- 3.13 PAPER FEED 99
- 3.13.2 LOWER RIGHT COVER 100
- CLUTCHES 101
- PAPER FEED 102
- 3.13.7 REGISTRATION SENSOR 105
- 3.1.8 TRAY LIFT MOTOR 107
- 3.1.9 FEED/DEVELOPMENT MOTOR 108
- 3.14 FUSING 109
- 3.1.2 FUSING UNIT EXIT GUIDE 110
- 3.1.3 HOT ROLLER STRIPPERS 110
- 3.1.4 FUSING LAMPS 111
- Right Side 112
- SM 3-45 G065 113
- Replacement 113
- Adjustment 113
- G065 3-46 SM 114
- SM 3-47 G065 115
- 3.15 BY-PASS TRAY 116
- BY-PASS TRAY 117
- 3.1.6 BY-PASS TABLE REMOVAL 121
- 3.16 DUPLEX UNIT 123
- DUPLEX UNIT 124
- 3.17 DRIVE AREA 126
- 3.1.2 MAIN MOTOR 127
- 3.1.3 FUSING/EXIT MOTOR 128
- 3.1.4 FUSING/EXIT CLUTCH 129
- 3.1.5 TONER SUPPLY MOTOR 130
- 3.18 PRINTED CIRCUIT BOARDS 131
- 3.1.2 I/O BOARD 132
- 3.1.3 BICU BOARD 133
- 3.1.4 PSU 133
- To Format the HDD 134
- 3.20 PRINTING ADJUSTMENTS 135
- G065 3-68 SM 136
- TROUBLESHOOTING 137
- 4. TROUBLESHOOTING 139
- 4.1.2 SC CODE DESCRIPTIONS 140
- XPOSURE 140
- SERVICE CALL CONDITIONS 141
- EVELOPMENT 142
- RANSFER 142
- OMMUNICATION AND 146
- ONTROLLER 150
- 4.2.1 SENSORS 153
- 4.2.2 SWITCHES 154
- 4.3 BLOWN FUSE CONDITIONS 155
- 4.4 LEDS 155
- 4.5 TEST POINTS 155
- SERVICE TABLES 157
- 5. SERVICE TABLES 159
- 5.2.2 BIT SWITCH PROGRAMMING 160
- PRINTER ENGINE SERVICE MODE 162
- Leaving the SP Mode 163
- 1. Feed (SP1000-00) 164
- 2. Drum (SP2000-00) 168
- 3. Process (SP3000-00) 178
- 4. HDD (SP4000-00) 179
- 5. Mode (SP5000-00) 179
- 6. Peripherals (SP6000-00) 183
- 7. Data Log (SP7000-00) 184
- 5.1.2 TEST PATTERN PRINTING 187
- 5.1.3 INPUT CHECK 189
- 5.1.4 OUTPUT CHECK 193
- SP5804 Output Check Table 194
- 5.4 SOFTWARE DOWNLOAD 197
- SOFTWARE DOWNLOAD 198
- 5.5 SELF-DIAGNOSTIC MODE 199
- SELF-DIAGNOSTIC MODE 200
- 5.6 DIP SWITCHES 201
- 6.1 OVERVIEW 205
- Paper Path 206
- 6.1.2 DRIVE LAYOUT 207
- 6.2 BOARD STRUCTURE 208
- BOARD STRUCTURE 209
- 6.2.2 CONTROLLER 210
- 6.3 PRINTING PROCESS OVERVIEW 212
- Image Transfer 213
- Separation 213
- ID Sensor 213
- Cleaning 213
- Quenching 213
- 6.4 LASER EXPOSURE 214
- LASER EXPOSURE 215
- 6.4.3 DUAL BEAM WRITING 216
- 6.4.5 LD SAFETY SWITCHES 218
- 6.5.1 OVERVIEW 219
- 6.5.3 DRUM PAWLS 220
- 6.5.4 DRUM TONER SEALS 220
- 6.5.2 DRIVE MECHANISM 220
- 6.6 DRUM CHARGE 221
- DRUM CHARGE 222
- 6.7 DEVELOPMENT 226
- DEVELOPMENT 227
- 6.1.4 DEVELOPMENT BIAS 228
- 6.1.5 TONER SUPPLY 229
- Toner Supply Mechanism 230
- Toner Density Control 230
- Sensor Control Mode 231
- Image Pixel Count Mode 231
- Standard Method 232
- 6.1.7 TONER END RECOVERY 233
- 6.8.1 DRUM CLEANING 234
- 6.8.2 TONER RECYCLING 234
- 6.9 PAPER FEED 235
- 6.9.2 PAPER FEED DRIVE 236
- 6.9.4 PAPER LIFT 237
- 6.9.5 PAPER END DETECTION 238
- 6.9.6 PAPER REGISTRATION 238
- 6.9.7 PAPER SIZE DETECTION 239
- 6.1.8 PAPER HEIGHT DETECTION 240
- 6.10 BY-PASS TRAY 241
- 6.11 DUPLEX UNIT 244
- 6.11.2 DUPLEX DRIVE LAYOUT 245
- Inversion and Exit 247
- 6.12.1 OVERVIEW 248
- 6.12.2 BELT DRIVE MECHANISM 249
- MECHANISM 250
- 6.12.5 TRANSFER BELT CHARGE 251
- G065 6-48 SM 252
- SM 6-49 G065 253
- Detailed 253
- Descriptions 253
- G065 6-50 SM 254
- 6.13.1 OVERVIEW 255
- 6.13.2 FUSING DRIVE 256
- 6.13.5 PRESSURE ROLLER 257
- 6.13.6 CLEANING MECHANISM 257
- Temperature Control 258
- 6.13.8 OVERHEAT PROTECTION 259
- 6.14 ENERGY SAVER MODE 260
- BRIDGE UNIT 261
- 1.1 SPECIFICATIONS 263
- MECHANICAL COMPONENT LAYOUT 264
- ELECTRICAL COMPONENT LAYOUT 265
- 1.5 DRIVE LAYOUT 266
- 2. DETAILED DESCRIPTION 267
- 3.1 EXIT SENSOR REPLACEMENT 268
- 2. SUPPORTED PAPER SIZES 272
- 3. SOFTWARE ACCESSORIES 273
- 4. MACHINE CONFIGURATION 274
- 4.2 INSTALLABLE OPTION TABLE 275
- 5. OPTIONS 276
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