Sharp AL-2050CS Digital Multifunctional System Operation Manual de servicio Pagina 77
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AL-2030/2040CS/2050CS DISASSEMBLY AND ASSEMBLY 8 - 25
1) Remove the screw, and remove the harness.
2) Remove three screws.
3) Disengage the pawl (4 positions).
4) Remove the transport unit.
1) Remove two screws, and remove the earth wire.
2) Remove the SPF motor unit.
3) Disconnect the connector.
1) Remove two screws.
2) Remove the SPF motor.
B. Pick-up roller, paper feed roller
1) Remove two gears.
1) Open the upper door.
2) Remove two E-rings, and remove the spring, the arm, and the
bearing.
3) Remove the pick-up roller unit.
1) Remove the shaft.
2) Remove the paper feed roller.
3) Remove the bearing and the spring.
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- SERVICE MANUAL 1
- AL-2040CS 1
- AL-2050CS 1
- VORSICHT 2
- ADVARSEL 2
- VARNING ! 2
- CONTENTS 4
- [1] GENERAL 6
- [2] SPECIFICATIONS 7
- 3. Copy performance 8
- 6. Scan function 9
- 7. SPF (AL-2030/2040CS) 10
- 8. RSPF (AL-2050CS) 10
- [3] CONSUMABLE PARTS 11
- Production control 12
- 1. Appearance 13
- 2. Internal 13
- 3. Operation panel 14
- B. AL-2050CS 15
- 4. Motors and solenoids 17
- 5. Sensors and switches 19
- 6. PWB unit 21
- 7. Cross sectional view 23
- 1. Copier installation 25
- 2. Cautions on handling 25
- 4. Unpacking 26
- Pressure plate lock 27
- Paper guide (B) 27
- Paper guide (A) 27
- B. Installing the software 28
- (AL-2030/2040CS) (AL-2050CS) 30
- (AL-2040CS/2050CS) 32
- C. Setting up Button Manager 33
- (AL-2040CS/2050CS only) 33
- 10. Interface 34
- 11. Moving 34
- C. Attachment method 35
- 20mm - 25mm 36
- Stick the 37
- [6] COPY PROCESS 39
- 2. Outline of print process 40
- 3. Actual print process 40
- About DC 5.2kV 41
- Semiconductor laser 42
- [7] OPERATIONAL DESCRIPTIONS 43
- 2. Scanner section 44
- 3. Laser unit 45
- 4. Fuser section 45
- A. General description 46
- Gear 20T 49
- Process detection switch 49
- Gear 38T 49
- C. Operational descriptions 50
- (AL-2050CS only) 51
- 9. Shifter (AL-2050CS only) 52
- Transfer 53
- Lock pawl rear 53
- Lock pawl front 53
- Charger wire 54
- Protrusion 54
- 3. Optical section 55
- 4. Fusing section 57
- PPD2 sensor 58
- Heater lamp 58
- C. Assembly procedure 60
- B. Disassembly procedure 60
- AL-2030 only 63
- PS semi-circuler 65
- Back Wire treatment 67
- 7. Rear frame section 68
- 8 Power section 70
- 9. Duplex motor section 70
- 10. Reverse roller section 70
- B. Upper door unit 71
- C. Document tray unit 71
- F. Drive unit 72
- G. Shutter solenoid 73
- I. Paper empty sensor 74
- J. PS roller 74
- K. Upper transport roller 75
- L. Paper sensor 75
- M. Lower transport roller 75
- N. Paper exit sensor 76
- A. SPF motor 76
- C. Paper exit roller 78
- E. Transport roller 78
- 13. 2nd cassette section 79
- B. Cassette detection switch 80
- C. Paper feed solenoid 80
- D. Transport roller 80
- E. Paper feed clutch 80
- F. 2nd paper feed roller 80
- [9] ADJUSTMENTS 81
- B. Image position adjustment 82
- (Main cassette paper feed) 83
- (2nd cassette paper feed) 83
- (Manual paper feed) 83
- 2. Copy density adjustment 84
- 3. High voltage adjustment 85
- 4. Duplex adjustment 86
- Document guide 87
- The trailing edge has a scale 87
- Table glass 87
- 2. Key rule 89
- 3. List of simulations 89
- (Example) 112
- Chart back surface 117
- 5. Trouble codes 118
- [11] USER PROGRAM 122
- 4. User programs (AL-2050CS) 123
- B. Print mode 125
- [12] ELECTRICAL SECTION 126
- (2) AL-2050CS 127
- 2. Actual wiring diagram 128
- SPF UNIT 129
- B. AL-2040CS 130
- C. AL-2050CS 132
- RSPF UNIT 133
- 2nd CASSETTE UN 134
- [13] CIRCUIT DIAGRAM 137
- FLASH ROM 139
- Analog Tonner Sensor Buffer 141
- Scanner Motor Driver 142
- SPF Motor Driver 142
- Duplex Motor Driver 142
- Tonner Motor Driver 142
- To Operational PWB 144
- To Power unit 144
- For AL2040 Model Only 145
- To Scanner unit 146
- Copy Lamp Inverter 146
- To DV Unit with CRUM 148
- (Analog Tonner Sensor) 148
- To DV Unit 148
- To NIC PWB 149
- 3. MCU PWB (AL-2050CS) 151
- FlashROM VPP Controll 154
- Serial EE-PROM 154
- Reset Circuit 155
- ASIC Reset 155
- OP Reset 155
- LCD Contrast Buffer 156
- 8M/16M Flash ROM 159
- USB2.0 DEV1 160
- To Modem PWB 163
- (To Analog Tonner Sensor) 166
- 4. OPERATION PWB (AL-2050CS) 167
- To MCU PWB 169
- To Drum Initial Detector 169
- To FAX Key PWB 169
- LEAD-FREE SOLDER 170
- CAUTION FOR BATTERY DISPOSAL 171
- Trademark acknowledgements 172
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