Sharp AL-2051 Wartungshandbuch PDF herunterladen (Seite 59)

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AL-2051 DISASSEMBLY AND ASSEMBLY 8 - 14

6. Manual paper feed section

A. List

B. Disassembly procedure

Multi unit

1) Remove the screw and remove the multi upper cover.

2) Remove the screw and remove the side door detection unit.

3) Remove three screws and remove the multi paper feed upper

frame.

4) Remove two screws and remove the multi feed bracket unit

from the multi paper feed upper frame.

No. Part name Ref.

1 Manual transport roller

2 Cassette detection switch

3 Side door detection unit

Back Wire treatment

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 138 139

SERVICE MANUAL 1
CAUTION 2
CONTENTS 4
[1] GENERAL 6
[2] SPECIFICATIONS 7
3. Copy performance 8
4. Network board 9
5. Printer 9
6. Scan function 9
[3] CONSUMABLE PARTS 10
2. Environmental 11
1. Appearance 12
2. Internal 12
3. Operation panel 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
7. Loading paper 19
8. Power to copier 20
9. Software 20
B. Installing the software 21
(2) Connecting a USB cable 22
D. Setting up button manager 26
10. Interface 27
11. Moving 27
C. Attachment method 28
20mm - 25mm 29
[6] COPY PROCESS 32
2. Outline of print process 33
3. Actual print process 33
About DC 5.2kV 34
Semiconductor laser 35
[7] OPERATIONAL DESCRIPTIONS 36
2. Scanner section 37
3. Laser unit 38
4. Fuser section 38
A. General description 39
Gear 20T 42
Process detection switch 42
Gear 38T 42
7. RSPF section 43
D. RSPF open/close detection 44
(book document detection) 44
A. Initial state 44
B. Front copy 44
C. Back copy 44
9. Shifter 45
[8] DISASSEMBLY AND ASSEMBLY 46
2. Operation panel section 47
3. Optical section 48
4. Fusing section 50
PPD2 sensor 51
Heater lamp 51
Heat roller 52
C. Assembly procedure 53
B. Disassembly procedure 53
PS semi-circuler 57
7. Rear frame section 61
8. Power section 62
9. Duplex motor section 62
10. Reverse roller section 63
11. RSPF section 63
C. Document tray unit 64
F. Drive unit 64
G. Shutter solenoid 65
I. Paper empty sensor 66
J. PS roller 67
K. Upper transport roller 67
L. Paper sensor 68
M. Lower transport roller 68
N. Paper exit sensor 68
[9] ADJUSTMENTS 69
B. Image position adjustment 70
B4 or 8 1/2″ × 14″ paper 71
A4 size rear edge 71
Paper rear edge 71
Scale image 71
2. Copy density adjustment 72
3. High voltage adjustment 73
4. Duplex adjustment 74
Document guide 75
The trailing edge has a scale 75
Table glass 75
2. Key rule 77
3. List of simulations 77
(Example) 101
(Main cassette paper feed) 102
Chart back surface 106
5. Trouble codes 108
[11] USER PROGRAM 112
[12] ELECTRICAL SECTION 115
2. Actual wiring diagram 116
RSPF UNIT 117
3. Signal name list 118
[13] CIRCUIT DIAGRAM 120
2/14Memory section 121
3/14Buffer section 122
4/14Driver section 1 123
5/14Driver section 2 124
6/14Connector section 1 125
7/14Connector section 2 126
8/14Connector section 3 127
9/14Pull Up/Down section 128
11/14KronosII SDRAM section 130
13/14KronosII USB/LSU section 132
14/14Power Source section 133
1/3LED/LCD section 134
2/3KEY / Buzzer section 135
3/3Connector section 136
LEAD-FREE SOLDER 137
CAUTION FOR BATTERY DISPOSAL 138
Trademark acknowledgements 139

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