Ricoh SP 200 Specifications Page 54
- Page / 238
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
- Toner Density Sensor -
Developer consists of carrier particles (ferrite) and toner particles (resin and
pigment). Inside the development unit, developer passes through a magnetic
field created by coils inside the toner density sensor, When the toner
concentration changes, the voltage output of the sensor changes accordingly.
The output from the sensor (V
T
) is checked before every copy. The machine
tries to keep V
T
constant by varying the toner supply, as shown in the flow
chart on the previous page.
A193D522.wmf
1 August 1996 PCU (PHOTOCONDUCTOR UNIT)
2-35
- IMPORTANT SAFETY NOTICES 1
- LASER SAFETY 2
- WARNING FOR LASER UNIT 2
- CAUTION MARKING: 2
- SECTION 1 3
- OVERALL MACHINE 3
- INFORMATION 3
- 1. SPECIFICATIONS 4
- 2. MACHINE CONFIGURATION 7
- 3. PAPER PATH 8
- A193V502.wmf 9
- 6. DRIVE LAYOUT 14
- 7. COPY PROCESS 15
- 1 August 1996 COPY PROCESS 16
- 8. BOARD STRUCTURE 17
- 8.2 DESCRIPTION 18
- DETAILED SECTION 19
- DESCRIPTIONS 19
- SECTION 2 19
- 1. SCANNING 20
- 1.2 SCANNER DRIVE 21
- 1 August 1996 SCANNING 22
- 2. IMAGE PROCESSING 24
- Z/C: Zero Clamp 25
- 2.3 AUTO IMAGE DENSITY (ADS) 26
- A193D527.wmf 27
- 2.4.2 Image Processing Path 28
- A193D517.wmf 29
- A193D503.wmf 30
- A193D504.wmf 31
- A193D507.wmf 33
- A193D518.wmf 33
- A193D528.wmf 35
- A193D511.wmf 36
- 3. LASER EXPOSURE 37
- 3.2 OPTICAL PATH 38
- A193D519.wmf 39
- A193d520.wmf 39
- 3.4 AUTO POWER CONTROL (APC) 40
- 3.5 LD SAFETY SWITCHES 41
- 4. PCU (PHOTOCONDUCTOR UNIT) 42
- 4.2 DRIVE MECHANISM 43
- A193D535.wmf 44
- A193D536.mwf 44
- 4.4 DRUM CHARGE 45
- A193D014.wmf 46
- A193D543.wmf 46
- A193D015.wmf 47
- A193D544.wmf 47
- A193D012-3.wmf 48
- 4.5 DEVELOPMENT 49
- A193D017.wmf 50
- A193D016.wmf 51
- A193D534.wmf 52
- 4.5.5 Toner Density Control 53
- A193D522.wmf 54
- A193D516.wmf 57
- A193D019.wmf 57
- A193D020.wmf 58
- A193D541.wmf 59
- A193d010.wmf 61
- A193D529.wmf 61
- 5. PAPER FEED 63
- 5.2 PAPER TRAY 64
- PAPER FEED 1 August 1996 65
- 1 August 1996 PAPER FEED 66
- A193D025.wmf 68
- 5.3 BY-PASS FEED 69
- 5.4 PAPER REGISTRATION 72
- 6. IMAGE TRANSFER AND PAPER 73
- SEPARATION 73
- MECHANISM 74
- 6.3 ROLLER CLEANING 75
- A193D021-2 76
- A193D538.wmf 76
- 7. IMAGE FUSING 77
- 1 August 1996 IMAGE FUSING 78
- IMAGE FUSING 1 August 1996 79
- 7.4 PRESSURE ROLLER 80
- 7.5 CLEANING MECHANISM 80
- 7.7 OVERHEAT PROTECTION 81
- 8. ENERGY SAVER MODES 82
- Auto Energy Saver Mode 83
- Auto Shut Off Mode 83
- Stand-by Mode 85
- Entering auto shut off mode 86
- Power Consumption 86
- 8.5 ENERGY SAVER CONTROL 90
- - Block Diagram 91
- - Copier Configuration 92
- - All configurations 93
- 9. PAPER EXIT 94
- SECTION 3 95
- INSTALLATION 95
- 1. INSTALLATION REQUIREMENTS 96
- 1.4 POWER REQUIREMENTS 97
- 2. COPIER INSTALLATION 98
- A193I500.wmf 99
- A193I501.wmf 99
- A193I514.wmf 100
- A193I515.wmf 100
- A193I502.wmf 101
- A193I503.wmf 101
- A193I504.wmf 102
- A628I500.wmf 103
- A628I501.wmf 103
- A628I502.wmf 103
- A628I503.wmf 104
- A628I505.wmf 104
- G697I501.wmf 105
- G697I500.wmf 105
- G697I504.wmf 106
- G697I503.wmf 106
- G697I502.wmf 106
- G697I506.wmf 107
- 2.5 DUPLEX UNIT INSTALLATION 108
- G694I503.wmf 109
- G694I504.wmf 109
- G694I505.wmf 109
- G694I506.wmf 110
- G694I507.wmf 110
- 2.6 1-BIN SORTER INSTALLATION 111
- A629I502.wmf 112
- A629I503.wmf 112
- 2.7 MEMORY BOARD 113
- A193I044.wmf 114
- A193I043.wmf 114
- A193I045.wmf 115
- A193I506.wmf 115
- A193I510.wmf 116
- A193I511.wmf 116
- 2.10 TRAY HEATER 117
- A193I508.wmf 118
- A193I509.wmf 119
- SECTION 4 120
- SERVICE TABLES 120
- 1. SERVICE REMARKS 121
- 1.3 TRANSFER ROLLER UNIT 122
- 1.4 SCANNER UNIT 122
- 1.5 LASER UNIT 122
- 1.6 FUSING UNIT 122
- 1.7 PAPER FEED 123
- 1.8 OTHERS 123
- A193M505.wmf 124
- A193M506.wmf 125
- Item 3 is not used 130
- (Z/C) for the 137
- A193M502.wmf 151
- A193M504.wmf 151
- A193M503.wmf 151
- A193M500.wmf 151
- A193M507.wmf 153
- SW No. 1 432 155
- A193M508.wmf 156
- - Output check table 157
- A193M509.wmf 158
- Jam Code Meaning 159
- A193M513.wmf 161
- 3. USER PROGRAM MODE 162
- UP Mode Table (Copy Settings) 163
- 4. SWITCHES/LEDS 164
- SECTION 5 165
- PREVENTIVE MAINTENANCE 165
- 1.1 PM TABLE 166
- SECTION 6 168
- REPLACEMENT 168
- AND ADJUSTMENT 168
- 1. EXTERIOR 169
- 1.2 REAR COVER 170
- 1.3 LEFT/RIGHT COVER 170
- 1 August 1996 EXTERIOR 171
- 2. PHOTOCONDUCTOR UNIT (PCU) 172
- A193R509.wmf 173
- A193R508.wmf 173
- 2.2 DRUM CHARGE ROLLER UNIT 174
- 2.3 DRUM 175
- 2.4 CLEANING BLADE 176
- 3. TRANSFER UNIT 177
- 4. SCANNER UNIT 178
- 4.2 SCANNER FRAME 179
- 4.3 ORIGINAL SIZE SENSOR 180
- 4.4 LENS BLOCK/SBU ASSEMBLY 180
- 4.5 XENON LAMP 181
- SCANNER UNIT 1 August 1996 182
- 4.7 SCANNER MOTOR 183
- 4.8 SCANNER WIRE 184
- 1 August 1996 SCANNER UNIT 185
- >PS< 186
- 1 August 1996 LASER UNIT 187
- 5.2 POLYGON MIRROR MOTOR 188
- 5.3 LD UNIT 189
- Paper direction 190
- LASER UNIT 1 August 1996 190
- 6. FUSING/EXIT 191
- 6.3 HOT ROLLER/FUSING LAMP 192
- 1 August 1996 FUSING/EXIT 193
- 7.1 EXIT UNIT 194
- 1 August 1996 EXIT 195
- 8. PAPER FEED/ REGISTRATION 196
- A193R028.wmf 197
- A193R029.wmf 198
- A193R030.wmf 198
- A193R031.wmf 199
- 8.6 PAPER END SENSORS 200
- A193R521.wmf 201
- A193R527.wmf 201
- A193R034.wmf 202
- 9. OTHERS 203
- 9.2 MSU BOARD/BICU BOARD 204
- 9.3 PSU BOARD 205
- 11.1 PRINTING 207
- A193R513.wmf 208
- A193R524.wmf 208
- 11.2 SCANNING 209
- A193R517.wmf 210
- 11.3 ADF IMAGE ADJUSTMENT 211
- OPERATOR 212
- SECTION 7 213
- TROUBLESHOOTING 213
- 1. SERVICE CALL CONDITIONS 214
- 2. SC CODE DESCRIPTIONS 215
- 3.1 SENSORS 224
- 4. BLOWN FUSE CONDITIONS 226
- SECTION 8 227
- ELECTRICAL COMPONENT LAYOUT 228
- A193S501.wmf 229
- A193S500.wmf 230
- A193PointtoPointDiagram 233
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