Laser Optics; Caution Decal Location; Laser Unit - Ricoh D104 Field Service Manual

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4. Replacement and Adjustment

Laser Optics

• Turn off the main switch and unplug the machine before beginning any of the procedures in this section.

Laser beams can cause serious eye injury.

The caution decal is placed as shown below.

• Be sure to turn off the main switch and disconnect the power plug from the power outlet before

beginning any disassembly or adjustment of the laser unit. This copier uses a class IIIb laser beam

with a wavelength of 648 - 663 nm and an output of 9 mW. The laser can cause serious eye injury.

• Before installing a new laser unit, remove the polygon motor holder bracket and the tag from the new

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