Laser Unit - Ricoh B064 SERIES Service Manual

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LASER UNIT

3.5 LASER UNIT

Turn off the main power switch and unplug the machine before performing

any procedure in this section. Laser beams can cause serious damage to

• This laser unit uses four laser beams produced by a Class III LDA with a

wavelength of 788 nm and intensity of 10 mW (13.2 mW for the B246

Series). Direct exposure to the eyes could cause permanent blindness.

• Before performing any replacement or adjustment of the laser unit, press

the main power switch to power the machine off. Then unplug the

machine from the power source. Allow the machine to cool for a few

minutes. The polygon motor continues to rotate for about one to three

• Never power on the machine with any of these components removed: 1)

LD unit, 2) polygon motor cover, 3) synchronization detector.

3.5.1 CAUTION DECALS

B246R930.WMF

Two caution decals are provided for the laser section.

B064 Series/B140 Series

/B246 Series/D052 Series

CÓPIA NÃO CONTROLADA

CÓPIA NÃO CONTROLADA

B246R929.WMF

Table of Contents

B246 series B140 series D052 series