Controlling The Laser Shutter; Laser Shutter Control - Canon iR2020 Series Service Manual
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Also See for iR2020 Series:
- Service manual (406 pages) ,
- Facsimile manual (232 pages) ,
- Copying manual (124 pages)
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Chapter 5
DC Controller PCB
IC5
J205
F-5-3
5.2.4 Controlling the Laser Shutter
5.2.4.1 Laser Shutter Control
0010-4807
iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
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.
5-5
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