Canon iR2020 Series Service Manual page 180

Chapter 5
[1] [2]
[3]
[4]
[5]
OPEN CLOSE
[2]
[2]
[1]
[3] [3]
[1]
[4]
[4]
[5]
[5]
F-5-4
Laser shutter control
[1] Laser shutter
[2] Laser mirror 1
[3] Laser mirror 2
[4] Polygonal mirror
[5] Laser beam
5-6