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AL-1551 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4-3
4. Motors and solenoids
No. Part name Control signal Function,operation
1 Main motor MM Drives the copier.
2 Mirror motor MRMT Drives the optical mirror base (scanner unit).
3 Toner motor TM Supplies toner.
4 Cooling fan motor VFM Cools the optical section.
5 Resist roller solenoid RRS Resist roller rotation control solenoid
6 Paper feed solenoid CPFS1 Cassette Paper feed solenoid 1
7 Multi paper feed solenoid MPFS Multi manual pages feed solenoid
8 SPF motor SPFM Drives the single pass feeder
9 Duplex motor DMT Devices the duplex paper transport section
10 Original feed solenoid SPUS Original feed solenoid
11 Paper feed solenoid CPFS2 Cassette Paper feed solenoid 2
1
2
9
10
3
4
5
7
6
11
8
- DIGITAL COPIER 1
- CAUTION 2
- CONTENTS 4
- [1] GENERAL 5
- [2] SPECIFICATIONS 6
- 3. Copy performance 8
- 4. Printer specifications 9
- [3] CONSUMABLE PARTS 10
- Production control 11
- 1. Appearance 12
- 2. Internal 12
- 1234567 891011 12 13
- 181716151413 13
- (AL-1551) 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
- 4. Unpacking 19
- 4 or 5 times 20
- Paper guide (B) 20
- Paper guide (A) 20
- 8. Power to copier 21
- B. Windows 98: 22
- C. Windows Me/Windows 2000: 22
- D. Windows 3.1x: 22
- 10.Parallel interface 23
- [6] COPY PROCESS 24
- 2. Outline of print process 25
- 3. Actual print process 25
- About DC 5.2kV 26
- Process controlling 27
- [7] OPERATIONAL DESCRIPTIONS 28
- 2. Scanner section 29
- No Component Function 30
- (1) Heat roller 31
- (2) Separator pawl 31
- (3) Thermal control 31
- (4) Fusing resistor 31
- 7. SPF section 35
- C. Operational descriptions 36
- A. Initial state 36
- B. Front copy 36
- Upper Side of Gate 37
- Gate OFF 37
- Transfer 38
- Lock pawl rear 38
- Lock pawl front 38
- 2. Operation panel section 39
- 3. Optical section 40
- Thermistor 41
- PPD2 sensor 42
- Hearter lamp 42
- Heat roller 43
- B. Disassembly procedure 44
- Clutch unit 48
- Paper feed 48
- Wire treatment 49
- 7. Rear frame section 52
- 8. Power section 53
- A. Sensor PWB 54
- B. Pickup solenoid 54
- C. Clutch 54
- F. SPF motor 55
- G. Paper entry sensor 55
- 10.2nd cassette section 56
- D. Transport roller 57
- E. Paper feed clutch 57
- F. 2nd paper feed roller 57
- B. Cassette detection switch 57
- C. Paper feed solenoid 57
- (1) Remove the rear cabinet 58
- (2) Remove the shield plate 58
- (3) Remove the RSPF 59
- (1) Remove the clutch unit 60
- (2) Remove the clutch 60
- J. Transport unit removal 61
- K. Belt 1 61
- (1) Remove the parts 62
- (2) Remove the parts 63
- (1) Remove the reverse gate 64
- (2) Remove the solenoid 64
- Fixing Screws 65
- Set screw 66
- Scanner unit drive pulley 66
- LL and LR: 67
- Distance between the copy 67
- (1) Outline 68
- Shizuoka 69
- (1) Lead edge adjustment 70
- Lens unit number 70
- ( ) direction 70
- Reference line (0) 70
- (+) direction 70
- 2.0mm or less 71
- 2. Copy density adjustment 72
- Non toner 73
- Toner save 73
- The front edge of the 74
- Front edge of paper 74
- [10]SIMULATION, TROUBLE CODES 75
- 2. List of simulations 76
- 4. Trouble codes 88
- [11]USER PROGRAM 89
- [12]ELECTRICAL SECTION 90
- B. MCU PWB unit 91
- (1) CPU signal table 92
- (2) ASIC (Signal table) 94
- 3. Reset circuit 99
- A. Outline 100
- 5. Driver circuit (Solenoid) 101
- 7. Main motor drive circuit 101
- 8. Mirror motor circuit 102
- 9. Duplex motor circuit 102
- A. Block diagram 103
- (1) Main section 104
- (2) FW signal 105
- (3) Heater lamp drive circuit 105
- (4) High voltage section 105
- 11.CL invertor PWB (circuit) 106
- 13.Operation section 107
- [13]CIRCUIT DIAGRAM 108
- AL-1551 CIRCUIT DIAGRAM 13-2 109
- AL-1551 CIRCUIT DIAGRAM 13-3 110
- AL-1551 CIRCUIT DIAGRAM 13-4 111
- AL-1551 CIRCUIT DIAGRAM 13-5 112
- AL-1551 CIRCUIT DIAGRAM 13-6 113
- AL-1551 CIRCUIT DIAGRAM 13-7 114
- AL-1551 CIRCUIT DIAGRAM 13-8 115
- AL-1551 CIRCUIT DIAGRAM 13-9 116
- GDI MEMORY PWB (6MB) 117
- POWER SUPPLY (120V/127V) 118
- POWER SUPPLY (200V Series) 119
- ACTUAL WIRING DIAGRAM 1/5 120
- AL-1551 CIRCUIT DIAGRAM 13-14 121
- AL-1551 CIRCUIT DIAGRAM 13-15 122
- AL-1551 CIRCUIT DIAGRAM 13-16 123
- AL-1551 CIRCUIT DIAGRAM 13-17 124
- CAUTION FOR BATTERY DISPOSAL 125
- COPYRIGHT 126
- 2001 BY SHARP CORPORATION 126
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