Laser Optics; Caution Decal Location - Ricoh D143 Field Service Manual

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.

Caution Decal Location

Caution decals are 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 658 nm and an output of 9 mW. The laser can cause serious eye injuries.
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