Canon iR2030 Series Service Manual page 179

Chapter 5
When the drum unit is drawn out, the interlocked laser shutter moves down, shutting off the laser beam path. When opening of the front cover or left door is detected,
the laser scanner motor and laser outputs turn off.
[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
5-5