Laser Unit
544
Callout Item Callout Item
[A] Adjustor [C] OPC Drum
[B] Lens (L2)
In this machine, you can adjust the image skew correction manually. When turning the adjuster [A] clockwise or
counterclockwise, the front of the lens moves to the left or right, and this adjusts the image skew.
Dust Shield Glass
The laser unit is located between the upper side of toner bottle and PCDU. The LD unit emits a laser beam to
above the OPC drum. This mechanism keeps the shield glass free from toner dropping and thus requires no
cleaning tool.
LD Safety Switch
The +24VL_LPS goes through the interlock switch and is converted the +5VS_LPS on the BiCU.
The +5VS_LPS are supplied to the two LD boards respectively. A safety switch turns off when the front cover
or the right door is opened. As a result, the power supply (+24VL_LPS) to the BiCU is cut off. This system
prevents unexpected laser emission, ensures user safety and technician safety.
MP C307 series
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