Y101700-5
Service Manual
1-13
1.12 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
Scanner unit
Illuminates the original with the copy lamp and passes the reflected
light to the ens unit (CCD)
6
Exposure lamp
Exposure lamp (Xenon lamp) Illuminates original
7
Heat roller
Fuses toner on the paper (Teflon roller)
8
Pressure roller
Fuses toner on the paper (Silicon rubber roller)
9
Drum
Forms images
10
Transfer unit
Transfers images onto the drum.
11
Manual paper feed
roller
Transport the paper from the manual paper feed port
12
PS roller unit
Takes synchronization between the lead edge and the rear edge of
the paper
13
Paper feed roller
Picks up a sheet of paper from the cassette
