AL-2040CS EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 7
7. Cross sectional view
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No. Part name Function and operation
1 Scanner unit Illuminates the original with the copy lamp and passes the reflected light to the lens unit(CCD).
2 Exposure lamp Exposure lamp (CCFL) Illuminates original
3 LSU (Laser unit) Converts the original image signal into laser beams and writes onto the drum.
4 Paper exit roller Roller for paper exit
5 Main charger Provides negative charges evenly to the drum surface.
6 Heat roller Fuses toner on the paper. (Teflon roller)
7 Pressure roller Fuses toner on the paper. (Silicon rubber roller)
8 Drum Forms images.
9 Transfer unit Transfers images onto the drum.
10 Pickup roller Picks up the manual feed paper. (In multi feed only)
11 Manual paper feed tray Tray for manual feed paper
12 Manual paper feed roller Transport the paper from the manual paper feed port.
13 PS roller unit Takes synchronization between the lead edge and the rear edge of the paper.
14 Paper feed roller Picks up a sheet of paper from the cassette.
15 Pickup roller Picks up documents.
16 Separation roller Separates documents to feed properly.
17 PS roller Feeds documents to the scanning section.
18 Paper exit roller Discharges documents.
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