Ricoh D109 Service Training page 33

S-C4L Training
Laser Unit Overview
LD Unit Synchronization detector lens
LD Shutter
Slide 33
Laser Unit-Overview
This machine uses a standard exposure unit. The LD unit controls laser output
and synchronization.
The machine cuts the power to the LD drive board when the front door or right
door is opened.
The LD shutter blocks the laser-beam path if the toner bottle holder is unlatched.
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