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AR-168N/168L DISASSEMBLY AND ASSEMBLY 8 - 7
4. Fusing section
A. List
B. Disassembly procedure
1) Remove the connectors (3 pcs.) of the rear cabinet.
2) Open the side cover, remove two screws, and remove the fusing
unit.
3) Cut the binding band, remove the screw, and remove the ther-
mistor.
4) Remove the screw and remove the U-turn guide.
Pressure roller section disassembly
5) Remove the three screws, remove the fusing cover lower on the
right side, and open the heat roller section.
6) Remove the screw and remove the PPD2 sensor.
No. Part name Ref.
1 Thermistor
2 PPD2 sensor
3 Heater lamp
4 Pressure roller
5 Heat roller
1)
2)
3)
2)
1)
2)
3)
Thermistor
1)
2)
1)
5)
5)
6)
6)
4)
3)
2)
1)
2)
PPD2 sensor
08_DISSASEMBLY.fm 7 ページ ２００５年１１月１８日 金曜日 午後５時３３分
- DIGITAL MULTIFUNCTIONAL 1
- CAUTION 2
- CONTENTS 4
- [1] GENERAL 6
- [2] SPECIFICATIONS 7
- 3. Copy performance 8
- 4. SPLC printer 9
- 5. Scan function 9
- [3] CONSUMABLE PARTS 10
- 4. TD cartridge replacement 11
- 1. Appearance 12
- 2. Internal 12
- 18 19 20 21 13
- 4. Motors and solenoids 14
- 5. Sensors and switches 15
- 6. PWB unit 16
- 7. Cross sectional view 17
- 1. Copier installation 18
- 2. Cautions on handling 18
- Lock Unlock 19
- Grasp here and turn in 19
- CAUTION tape 19
- Protective pins 19
- Pressure plate lock 21
- [Custom installation] 23
- (1) Windows XP (USB/Parallel) 23
- (2) Windows 98/Me/2000 (USB) 24
- C. Setting up button manager 27
- (1) Windows XP 27
- (2) Windows 98/Me/2000 27
- (1) Connecting a USB cable 28
- 11. Interface 29
- 12. Moving 29
- [6] COPY PROCESS 30
- 2. Outline of print process 31
- 3. Actual print process 31
- About DC 5.2kV 32
- Process controlling 33
- [7] OPERATIONAL DESCRIPTIONS 34
- 34 6 285 35
- 3. Laser unit 36
- 4. Fuser section 36
- (1) Heat roller 37
- (2) Separator pawl 37
- (3) Thermal control 37
- (4) Fusing resistor 37
- A. Initial state 41
- B. Front copy 41
- C. Back copy 41
- 8. Shifter 42
- [8] DISASSEMBLY AND ASSEMBLY 43
- Example of NG 44
- Charger wire 46
- Protrusion 46
- 3. Optical section 47
- CCD core 48
- 4. Fusing section 49
- Heat roller disassembly 50
- Heater lamp 50
- C. Assembly procedure 56
- Back Wire treatment 57
- 7. Rear frame section 59
- 8. Power section 60
- 9. Duplex motor section 60
- (1) Remove the rear cabinet 61
- (2) Remove the RSPF 61
- F. Sensor PWB 62
- G. Pickup solenoid 62
- H. Clutch 62
- (1) Remove the clutch unit 62
- (2) Remove the clutch 63
- (1) Remove the pickup unit 63
- (1) Remove the parts 65
- (2) Remove the parts 66
- T. Solenoid 67
- (1) Remove the reverse gate 67
- (2) Remove the solenoid 67
- [9] ADJUSTMENTS 68
- B. Image position adjustment 69
- (1) Lead edge adjustment 69
- B4 or 8 1/2″ × 14″ paper 70
- A4 size rear edge 70
- Scale image 70
- Paper rear edge 70
- White paper 71
- Test chart 71
- 3. High voltage adjustment 72
- 4. Duplex adjustment 72
- Document guide 73
- The trailing edge has a scale 73
- Table glass 73
- Scale (D-D mode) 73
- 6cm or more is required 74
- 2. Key rule 76
- 3. List of test commands 76
- Image loss, R = 4mm 101
- Chart back surface 105
- 5. Trouble codes 114
- [11] MAINTENANCE 117
- [12] USER PROGRAM 118
- B. Print mode 119
- [13] ELECTRICAL SECTION 121
- 2. Circuit descriptions 122
- (4) Reset circuit 127
- ASIC/CPU 128
- Tonner Motor Driver 129
- TD62064AF 130
- (10) OPE PWB 131
- (11) Carriage Unit 131
- (1) Noise filter circuit 131
- Voltage waveform 132
- [14]CIRCUIT DIAGRAM 134
- Serial EE-PROM 135
- MCU PWB (ASIC section) 136
- MCU PWB (Memory section) 138
- MCU PWB (Driver section 1) 140
- MCU PWB (Driver section 2) 142
- MCU PWB (Driver section 3) 144
- MCU PWB (IMC2 section 1/2) 148
- MCU PWB (Connector section 1) 152
- To Operational PWB 153
- To Mirror motor 153
- MCU PWB (Connector section 3) 154
- To 2nd. cassette 155
- MCU PWB (Modem I/F Connector) 157
- MCU PWB (Scanner I/F section) 158
- 2. OPERATION PWB 159
- To MCU PWB 161
- To Drum Initial Detector 161
- To FAX Key PWB 161
- POWER SUPPLY (120V/127V) 162
- (1) MCU SECTION (1/3) 164
- [15] FIRMWARE DOWNLOAD 167
- PROCEDURES 167
- 5. Installing procedures 171
- LEAD-FREE SOLDER 175
- CAUTION FOR BATTERY DISPOSAL 176
- COPYRIGHT 177
- 2005 BY SHARP CORPORATION 177
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