AR-161 (serv.man6). AR161 Service Manual-External Views and Internal Structure - Sharp Copying Equipment Service Manual (repair manual). Page 9

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7. Cross sectional view
No.
Name
Function/Operation
1
Copy lamp
Image radiation lamp
2
Copy lamp unit
Operates in synchronization with No. 2/3 mirror unit to radiate documents sequentially.
3
LSU unit
Converts image signals into laser beams to write on the drum. 
4
Lens unit
Reads images with the lens and the CCD.
5
MC holder unit
Supplies negative charges evenly on the drum. 
6
Paper exit roller
Used to discharge paper. 
7
Transport roller
Used to transport paper.
8
Upper heat roller
Fuses toner on paper (with the teflon roller).
9
Lower heat roller
Fuses toner on paper (with the silicon rubber roller).
10
Drum unit
Forms images.
11
Transfer charger unit
Transfer images (on the drum) onto paper.  
12
Resist roller
Takes synchronization between the paper lead edge and the image lead edge. 
13
Manual paper feed tray
Manual paper feed tray
14
Manual paper feed roller
Picks up paper in manual paper feed.
15
Manual transport roller
Transports paper from the manual paper feed port.
16
Paper feed roller (semi-circular roller)
Picks up paper from the cassette.
17
MG roller
Puts toner on the OPC drum.
18
No. 2/3 mirror unit
Reflects the images from the copy lamp unit to the lens unit. 
19
Waste toner transport roller
Transports waste toner to the waste toner box.
1
2
3
4
5
6
7
8
9
1 0
1 1
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1 6
1 9
1 7
1 8
AR-161
AR-160/161 FM/E [4] EXTERNAL VIEWS AND INTERNAL STRUCTURES 12/1/1998
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