Cross Sectional View - Sharp AR-5520 Service Manual

7. Cross sectional view

No.
1 Copy lamp
2 Copy lamp unit
3 LSU unit
4 Lens unit
5 MC holder unit
6 Paper exit roller
7 Transport roller
8 Upper heat roller
9 Lower heat roller
10 Waste toner transport roller
11 Drum unit
12 Transfer charger unit
13 DUP follower roller
14 Duplex transport roller
15 Resist roller
16 Bypass tray
17 Bypass tray paper pick up roller
18 No. 2/3 mirror unit
19 Bypass tray transport roller
20 2nd tray paper transport roller
21 2nd tray paper pick up roller
(semi-circular roller)
22 1st tray paper feed roller
(semi-circular roller)
23 MG roller
1 2 3
18
23
Name
Image radiation lamp
Operates in synchronization with No. 2/3 mirror unit to radiate documents
sequentially.
Converts image signals into laser beams to write on the drum.
Reads images with the lens and the CCD.
Supplies negative charges evenly on the drum.
Used to discharge paper.
Used to transport paper.
Fuses toner on paper (with the teflon roller).
Fuses toner on paper (with the silicon rubber roller).
Transports waste toner to the waste toner box.
Forms images.
Transfer images (on the drum) onto paper.
Transports paper for duplex .
Takes synchronization between the paper lead edge and the image lead edge.
Bypass tray
Picks up paper in bypass tray.
Reflects the images from the copy lamp unit to the lens unit.
Transports paper from the bypass tray.
Transports paper from the 2nd tray.
Picks up paper from the 2nd tray.
Picks up paper from the 1st tray.
Puts toner on the OPC drum.
AR-5520 EXTERNAL VIEWS AND INTERNAL STRUCTURES 5-6
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Function/Operation