Canon LBP-2410 Technical Information Seite 48
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2003 CANON INC. 2000 2000 2000 2000 CANON LBP-2410 REV.0 FEB. 2003
CHAPTER 2 OPERATION AND TIMING
2-6
2.2.2 Operations
a. CPU (IC101)
A 16-bit single-chip microcomputer is used for a CPU. It has a built-in ROM and RAM.
It controls the following operations according to a program stored in the ROM:
1) Printer engine sequence control
2) Drive controls for the developing rotary motor, toner cartridge motor, fixing motor, en-
gaging motor
3) Drive control for the cooling fan
4) Internal temperature detection thermistor control
5) Reading/writing to the non-volatile memory
b. ASIC (IC102)
The ASIC (Application Specific IC) is an IC used for interface of IC, memory, external
device, etc. It controls the following operations according to the CPU:
1) Laser/scanner control
2) Control of communications with the interface controller
3) Power supply unit (fixing control circuit, low-voltage power supply circuit) control
4) High-voltage power supply PCB control
5) Drive control for the main motor
6) Sensor/switch controls
7) Clutch/solenoid controls
8) Reading/writing to the memory tag
9) 250-sheet paper feeder (option) control
c. Reset IC (IC105)
It monitors +3.3 V and resets the CPU and ASIC when the power is turned on.
d. Non-volatile memory (IC109)
It stores backup data.
e. Developing rotary motor driver IC (IC103)
It controls the developing rotary motor. (See page 2-7 for details on developing rotary motor.)
f. Toner cartridge motor driver IC (IC104)
It controls the toner cartridge motor. (See page 2-7 for details on EP-87 toner cartridge
motor.)
g. Fixing motor driver IC (IC106)
It controls the fixing motor. (See page 2-7 for details on fixing motor.)
h. Engaging motor driver IC (IC107)
It controls the engaging motor. (See page 2-7 for details on engaging motor.)
i. Fan motor control circuit
It controls the cooling fan motor. (See page 2-7 for details on cooling fan motor.)
- LBP-2410 1
- INTRODUCTION 3
- Contents 4
- CONTENTS 5
- CHAPTER 1 9
- PRODUCT INFORMATION 9
- 1 FEATURES 11
- 2 SPECIFICATIONS 12
- 2.1.2 Interface controller 13
- 2.2 Options 14
- 3 SAFETY INFORMATION 15
- 4 PARTS OF THE PRINTER 16
- CHAPTER 1 PRODUCT INFORMATION 17
- 4.2 Cross Sectional View 18
- F01-402-02 19
- [1] Pick-up roller 19
- [2] Feed roller 19
- [3] Separation pad 19
- 5 INSTALLATION 20
- 5.2.3 Space 21
- 5.3.1 Printer 22
- 5.3.2 EP-87 Drum Cartridge 22
- 5.3.3 EP-87 Toner cartridge 24
- Color seal 26
- 5.3.4 Paper feeder 27
- Waste toner 28
- Electr ical 29
- CUSTOMER 31
- 7 USING THE MACHINE 34
- 7.3.1 Installing CAPT 36
- 7.3.2 Operating Environment 36
- 7.3.3 Installation 37
- 7.4 Microsoft Windows 98/Me 38
- 7.4.2 Operating Environment 39
- 7.4.3 Installing CAPT 39
- CHAPTER 2 41
- OPERATION AND TIMING 41
- 1 BASIC OPERATION 43
- 1.2 Basic Operation Sequence 44
- 1.3 Power-on sequence 45
- 2 ENGINE CONTROL SYSTEM 46
- 2.2.2 Operations 48
- 2.2.3 Motor/fan control 49
- F02-202-04 53
- 2.3.1 Outline 55
- 2.4 Power Supply Unit 58
- 2.4.2 Fixing control circuit 59
- AC power source 62
- Heater ON 62
- F02-204-04 65
- 2.5 Video Interface Control 66
- 2.5.2 Video interface signals 67
- 2.6 Interface Controller PCB 68
- F02-206-01 69
- F02-206-02 70
- 3 LASER/SCANNER SYSTEM 71
- 3.2 Laser Control 73
- 3.2.2 Laser emission control 74
- 3.2.5 Image mask control 76
- 3.3 Scanner Motor Control 77
- 4 IMAGE FORMATION SYSTEM 79
- 4.2 Image Formation Process 80
- F02-402-02 81
- Surface potential (V) 82
- Laser beam 83
- Unexposed 83
- 4.2.2 Developing block 84
- Potential (V) 85
- 4.2.3 Transfer block 86
- Secondary 87
- 4.2.4 Fixing block 89
- 4.2.5 ITB cleaning block 90
- 4.3.1 Outline 94
- F02-403-02 96
- 4.4.1 Outline 100
- 4.4.2 Memory tag 101
- COPYRIGHT 102
- TONER LEVEL DETECTION signal 105
- LED DRIVE signal 105
- 4.5.1 Outline 106
- F02-405-02 108
- Drum cartridge 109
- Memory tag contact 109
- Memory tag 109
- DC controller 109
- F02-405-04 111
- F02-405-06 114
- 4.6.1 Outline 115
- F02-406-02 117
- F02-406-03 119
- Density sensor 120
- Detection 120
- 5 PICK-UP/FEED SYSTEM 122
- 5.2 Pick-up/Feed Unit 124
- Pick-up/feed 124
- Fixing/delivery unit 124
- 5.2.4 Feed speed control 127
- TH3 temperature 128
- 5.4 Jam Detection 129
- 5.4.6 Door open jam 130
- 5.4.7 Residual paper jam 130
- 6 PAPER FEEDER 131
- 6.2.1 250-sheet paper feeder 132
- CHAPTER 3 135
- THE MECHANICAL SYSTEM 135
- 1 PREFACE 137
- Engaging sensor 138
- Sensor flag 138
- 33T gear 138
- F03-102-02 139
- 2 EXTERNALS 142
- 2.1.1 Left cover 143
- 2.1.2 Top cover unit 143
- 2.1.3 Right cover unit 146
- 2.1.4 Front cover unit 146
- 2.1.5 Rear cover 147
- 2.1.6 Face-up cover 147
- 2.1.7 I/O cover 148
- 2.1.8 Control Panel 149
- 3 MAIN UNITS 150
- 3.2 Laser/Scanner Unit 151
- 3.3 Main Drive Unit 152
- 3.4 Registration Shutter Unit 156
- 3.5 Registration Roller Unit 157
- 3.6 Rotary Drive Unit 158
- 3.7 Developing Rotary Unit 160
- [1] [1][2] 164
- 4 MAIN PARTS 165
- 4.5 Separation Pad 168
- 4.6 Registration Roller 168
- 4.8 Secondary Transfer Roller 169
- 4.10 Fixing Film Unit 170
- 4.11 Pressure Roller 173
- 5 SENSORS/SWITCHES 174
- 5.6 Roller Engaging Sensor 177
- 5.7 Power Switch 177
- 6 SOLENOIDS/CLUTCHES 178
- 6.4 Roller Engaging Clutch 180
- 6.5 Registration Clutch 180
- 7 MOTORS/FAN 181
- 7.2 Engaging Motor 182
- 7.3 Developing Rotary Motor 182
- 7.4 Toner Cartridge Motor 182
- 7.5 Fixing Motor 183
- 7.6 Main Motor 183
- 7.7 Cooling Fan 184
- 8.1 Locations 185
- 8.2 Waste Toner Detection PCB 186
- 8.4 Density Detection PCB 187
- 8.9 Power Supply Unit 190
- 8.10 DC Controller PCB 193
- 8.11 Interface Controller PCB 193
- 9 250-SHEET PAPER FEEDER 195
- 9.1.2 Pick-up roller 196
- 9.1.3 Separation pad 196
- 9.2 Sensors/Solenoid/PCB 197
- 9.2.2 Pick-up solenoid 198
- 9.2.3 Pick-up sensor 199
- 9.2.4 Feed sensor 199
- 9.2.5 Paper feeder driver PCB 200
- CHAPTER 4 203
- TROUBLESHOOTING 203
- F04-101-01 206
- 1.2 Initial Check 207
- 1.2.5 Fixing unit sets 208
- 1.2.6 External cover sets 208
- 1.2.7 Condensation 208
- 1.3 Test Print 209
- 75mm pitch 210
- CHAPTER 4 TROUBLESHOOTING 211
- T04-201-02 220
- 3 PAPER JAM TROUBLESHOOTING 221
- 5 MALFUNCTION TROUBLESHOOTING 228
- 7 MEASUREMENT AND ADJUSTMENT 238
- Function 240
- Test print switch 240
- 8 MAINTENANCE AND SERVICING 241
- 8.4.6 Feed belt 242
- 8.5 Standard Tools 243
- 8.6 Special Tools 244
- 8.7 Solvent/Oil List 244
- 9 SERVICE MODE 245
- 9.2 Starting Service Mode 246
- 10 LOCATION OF CONNECTORS 247
- 10.2 250 paper feeder 248
- APPENDIX 249
- 1 GENERAL TIMING CHART 251
- (Unit: seconds) 252
- 2 GENERAL CIRCUIT DIAGRAM 257
- Blank page 258
- 3 LIST OF SIGNALS 259
- 4.1 Outline 266
- This publication is 270
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