Read Sharp AR-810 (serv.man24) Service Manual online
AR-651/810 LASER & OPTICAL UNIT 8 - 6
(5) Laser drive board
This control board has the following functions:
a. APC control function (adjusts disparity of the laser intensity caused by temperature)
b. Laser ON/OFF function
c. Function to generate the primary scanning synchronizing signals
(6) Slit glass
Slit glass is located where the laser beams are output from the laser optical unit, and it protects the unit
from dust.
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