AR-150 (serv.man5). AR150 155 ARF151 Service Manual-External Views Internal Structures - Sharp Copying Equipment Service Manual (repair manual). Page 8

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8. Cross sectional view
No.
Part name
Function and operation
1
Paper exit roller
Roller for paper exit
2
Lens unit
Scans the original image with the lens and the CCD.
3
LSU (Laser unit)
Converts the original image signal into laser beams and writes onto the drum.
4
Main charger
Provides negative charges evenly to the drum surface.
5
Paper exit roller
Discharges documents.
6
Pickup roller
Picks up documents.
7
Separation roller
Separates documents to feed properly.
8
PS roller
Feeds documents to the scanning section.
9
Scanner unit
Illuminates the original with the copy lamp and passes the reflected light to the lens unit (CCD).
10
Exposure lamp
Exposure lamp (Xenon lamp) Illuminates original
11
Heat roller
Fuses toner on the paper. (Teflon roller)
12
Pressure roller
Fuses toner on the paper. (Silicon rubber roller)
13
Drum
Forms images.
14
Transfer unit
Transfers images onto the drum.
15
Pickup roller
Picks up the manual feed paper. (In multi feed only)
16
Manual paper feed
tray
Tray for manual feed paper
17
Manual paper feed
roller
Transport the paper from the manual paper feed port.
18
PS roller unit
Takes synchronization between the lead edge and the rear edge of the paper.
19
Paper feed roller
Picks up a sheet of paper from the cassette.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
16
(AR-F151)
18
19
AR-F151
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