Sharp AR-M550 (serv.man4) Service Manual ▷ View online
: Feb. 9 2004
1
AR-M550/M620/M700 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 22
N. Roller
No.
Name
Function/Operation
NOTE
1
Paper feed roller (Manual paper feed tray)
Feeds paper to the paper transport section.
2
Separation roller (Manual paper feed tray)
Separates paper to prevent against double-feed.
3
Paper pickup roller (Manual paper feed tray)
Sends paper to the paper transport section.
4
Paper feed roller (No. 1 paper feed tray)
Feeds paper to the paper transport section.
5
Paper pickup roller (No. 1 paper feed roller)
Sends paper to the paper transport section.
6
Separation roller (No. 1 paper feed tray)
Separates paper to prevent against double-feed.
7
Paper feed roller (No. 2 paper feed tray)
Feeds paper to the paper transport section.
8
Separation roller (No. 2 paper feed tray)
Separates paper to prevent against double-feed.
9
Paper pickup roller (No. 2 paper feed roller)
Sends paper to the paper transport section.
10
Paper feed roller (No. 3 paper feed tray)
Feeds paper to the paper transport section.
11
Separation roller (No. 3 paper feed tray)
Separates paper to prevent against double-feed.
12
Paper pickup roller (No. 3 paper feed roller)
Sends paper to the paper transport section.
13
Paper feed roller (No. 4 paper feed tray)
Feeds paper to the paper transport section.
14
Separation roller (No. 4 paper feed tray)
Separates paper to prevent against double-feed.
15
Paper pickup roller (No. 4 paper feed roller)
Sends paper to the paper transport section.
16
Resist roller (Drive)
Transports paper to the transfer section. / Controls the paper transport
timing and adjusts the relative relationship between the image and paper.
timing and adjusts the relative relationship between the image and paper.
17
Resist roller (Idle)
Applies a pressure to paper and the resist roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
1
2
3
7
8
8
9
19
82
83
18
21
20
23
22
24
25
12
11
25
12
11
10
4
6
6
17
79 84 80 81
16
37
38
39
40
41
52
53
54
42
43
50
51
51
48
49
59
60
49
59
60
65
63
61
5
15
13
14
27
26
28
30
29
31 32
34 35 33
36
55
44
57
58
46
47
56
45
77
78
76 75 74 73
66
68
67 71 72
69
70
1
: Feb. 9 2004
1
AR-M550/M620/M700 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 23
18
Transport roller 1 (Drive)
Transports paper fed from the large capacity tray (LCC) to the transport
roller 2.
roller 2.
19
Transport roller 1 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
20
Transport roller 2 (Drive)
Transports paper transported from the manual paper feed and the transport
roller 1 to the transport roller 3.
roller 1 to the transport roller 3.
21
Transport roller 2 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
22
Transport roller 3 (Drive)
Transports paper transported from the paper teed tray 2 and the transport
roller 2 to the transport roller 3.
roller 2 to the transport roller 3.
23
Transport roller 3 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
24
Transport roller 4 (Drive)
Transports paper transported from the transport roller 3 to the transport
roller 15.
roller 15.
25
Transport roller 4 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
26
Transport roller 5 (Drive)
Transports paper fed from the paper feed tray 4 to the transport rollers 6
and 7.
and 7.
27
Transport roller 5 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
28
Transport roller 6 (Idle)
Reduces friction between paper and the paper guide.
29
Transport roller 7 (Drive)
Transports paper transported from the transport roller 5 to the transport
roller 10.
roller 10.
30
Transport roller 7 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
31
Transport roller 8 (Drive)
Transports paper transported from the paper feed tray 3 to the transport
rollers 9 and 10.
rollers 9 and 10.
32
Transport roller 8 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
33
Transport roller 9 (Idle)
Reduces friction between paper and the paper guide.
34
Transport roller 10 (Drive)
Transports paper transported from the transport rollers 7 and 8 to the
transport roller 11.
transport roller 11.
35
Transport roller 10 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
36
Transport roller 11 (Drive)
Transports paper transported from the transport roller 10 to the transport
roller 13.
roller 13.
37
Transport roller 11 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
38
Transport roller 12 (Idle)
Reduces friction between paper and the paper guide.
39
Transport roller 13 (Drive)
Transports paper fed from the paper feed trays 1, 3, and 4 to toe transport
roller 15.
roller 15.
40
Transport roller 13 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
41
Transport roller 14 (Idle)
Reduces friction between paper and the paper guide.
42
Transport roller 15 (Drive)
Transports paper to the transport resist roller.
43
Transport roller 15 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
44
Transport roller 16 (Drive)
Transports paper from the fusing roller to the paper exit roller 1.
45
Transport roller 16 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
46
Transport roller 17 (Idle)
Reduces friction between paper and the paper guide.
47
Transport roller 18 (Idle)
Reduces friction between paper and the paper guide.
48
Transport roller 19 (Drive)
Transports paper transported from the paper exit roller 2 to the transport
roller 20.
roller 20.
49
Transport roller 19 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
50
Transport roller 20 (Drive)
Transports paper transported from the transport roller 19 to the transport
roller 21.
roller 21.
51
Transport roller 20 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
52
Transport roller 21 (Drive)
Transports paper transported from the transport roller 20 to the transport
roller 15.
roller 15.
53
Transport roller 21 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
54
Transport roller 22 (Idle)
Reduces friction between paper and the paper guide.
55
Paper exit roller 1 (Drive)
Discharges paper to the paper exit tray. / Switches back paper.
No.
Name
Function/Operation
NOTE
1
1
: Feb. 9 2004
1
AR-M550/M620/M700 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 24
O. Filter
56
Paper exit roller 1 (Idle)
Applies a pressure to paper and the paper exit roller to provide a transport
power of the paper exit roller to paper.
power of the paper exit roller to paper.
57
Paper exit roller 2 (Drive)
Discharges paper. / Transports paper to the duplex (ADU) section.
58
Paper exit roller 2 (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the paper exit roller to paper.
power of the paper exit roller to paper.
59
Transfer drive roller (Drive)
Drives the transfer belt.
60
Transfer roller (Idle)
Helps to hold the transfer belt.
61
Fusing roller (Pressing)
Applies a pressure to the fusing roller (heating).
63
Sub heat roller
Heats the fusing roller (pressing).
65
Fusing roller (Heating)
Heat and press toner onto paper to fuse images.
66
Paper feed roller (SPF)
Feeds paper to the paper transport section.
67
Separation roller (SPF)
Separates paper to prevent against double feed.
68
Paper pickup roller (SPF)
Sends paper to the paper feed roller.
69
Transport roller 1 (Drive) (SPF)
Transports paper (which is transported by the first resist roller) to the
second resist roller.
second resist roller.
70
Transport roller 1 (Idle) (SPF)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
71
First resist roller (Drive) (SPF)
Controls the paper transport timing. / Adjusts paper to be horizontal.
72
First resist roller (Idle) (SPF)
Applies a pressure to paper and the resist roller to provide a transport
power of the resist roller to paper.
power of the resist roller to paper.
73
Transport roller 2 (Drive) (SPF)
Transports paper transported from the paper exit roller 1 to the transport
roller 3.
roller 3.
74
Transport roller 2 (Idle) (SPF)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
75
First resist roller (Drive) (SPF)
Controls the paper transport timing. / Adjusts paper to be horizontal.
76
First resist roller (Idle) (SPF)
Applies a pressure to paper and the resist roller to provide a transport
power of the resist roller to paper.
power of the resist roller to paper.
77
Paper exit roller (Drive) (SPF)
Discharges paper.
78
Paper exit roller (Idle) (SPF)
Applies a pressure to paper and the paper exit roller to provide a transport
power of the paper exit roller to paper.
power of the paper exit roller to paper.
79
Transfer cleaning roller
Cleans the transfer belt.
80
Transfer tension roller
Applies a proper tension to the transfer belt.
81
Transfer roller
Applies a proper voltage to the transfer belt.
82
Transfer roller 1A (Drive)
Transports paper (which is fed from the manual paper feed tray) to the
transport roller.
transport roller.
83
Transfer roller 1A (Idle)
Applies a pressure to paper and the transport roller to provide a transport
power of the transport roller to paper.
power of the transport roller to paper.
84
Cleaning brush roller
Removes paper dust from the photoconductor drum.
No.
Name
Function/Operation
MODEL
NOTE
1
Ozone filter
Absorbs ozone generated in the image process section.
2
Toner filter
Filters dispersed toner in the process section.
No.
Name
Function/Operation
NOTE
1
1
1
1
1
2
AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 1
[6] DETAILS OF EACH SECTION
1. Operation panel section
2. Paper feed, paper transport, duplex, and
paper exit reverse sections
3. Laser scan unit (LSU)
4. Image process section
5. Scanner section
6. Fusing section
7. SPF section
8. Drive section
9. Filters
10. PWB section
11. Power section
12. Fan motors
13. Sensors and switches
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