Major Components - Canon imagerunner C5180 Service Manual

Chapter 8

8.1.2 Major Components

Name
Laser driver
Polygon mirror
guide mirror
Corrective lens
displacement correction
motor
BD detection PCB
BD mirror
Laser driver
Displacement
correction motor
(rear)
8-2
T-8-5
Description
generates laser light.
scans the laser beam in main scanning direction.
directs laser light in the direction of the drum.
corrects displacement of laser light coming from the guide mirror in
main scanning direction.
moves the corrective lens to correct displacement in main scanning
direction.
detects laser light as a BD signal.
reflects the laser light in the direction of the BD detection PCB.
Polygon mirror
F-8-1
Guide mirror
Corrective lens
Photosensitive drum
(front)