Laser Optics
SM 4-41 D037/D038/D040/D041
Replacement
& Adjustment
4.6 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.
4.6.1 CAUTION DECAL LOCATION
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.
4.6.2 LASER UNIT
 Before installing a new laser unit, remove the polygon motor holder bracket and
the tag from the new unit.
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