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10 August, 2001
2.3.3 LD SAFETY SWITCH
Front Cover Safety and
Right Cover Switches
+5VLD
SBCU
+5V
PSU
To ensure technician and user safety and to prevent the laser beam from
inadvertently switching on during servicing, safety switches are located at the front
and right covers. The switches are installed on the +5VLD line coming from the
power supply unit through the
When the front cover or the right cover is opened, the power supply to the laser
diode is interrupted.
+5VLD
IPU
SBCU
and
IPU
2-23
LASER EXPOSURE
LDD:
LD Drive Board
VCC
LD Driver IC
boards.
LD
PD
Laser
Beam
Optical Path
OPC
Drum
B027D500.WMF
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