IV. EXPOSURE SYSTEM
A. Laser/Scanner Unit
1. Configuration
The laser/scanner unit scans the laser beam
across the photo-sensitive drum. The
configuration of the laser/scanner unit is
shown in the below figure.
Scanner unit
BD PCB
Laser unit
Figure 3-4-1
2. Removal from the printer
1) Remove the upper cover unit.
2) Disconnect the 3 connectors and the
cable from the laser/scanner unit.
Connectors
Cable
Figure 3-4-2
3) Remove the 4 screws and the laser/
scanner unit.
Screws
Laser/scanner unit
Figure 3-4-3
Note: Do not disassemble the laser/scan-
ner unit as it cannot be adjusted in
the field
CHAPTER 3
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