AR-M550 (serv.man10). (5) External view and internal structure - Sharp Copying Equipment Service Manual (repair manual). Page 25

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AR-M550/M620  EXTERNAL VIEW AND INTERNAL STRUCTURE  5 - 24
Q. Filter
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.
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. 
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. 
59
Transfer 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).
62
Fusing bias conduction brush
Grounds the fusing roller. 
63
Sub heat roller
Heats the fusing roller (pressing).
64
Fusing cleaning roller 1
Cleans 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.
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. 
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.
73
Transport roller 2 (Drive) (SPF)
Transports paper transported from the paper exit roller 1 to 
the transport 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. 
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.
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. 
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.
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.
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
MODEL
NOTE
1
2
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