Ld Safety Switches - Ricoh B079 Service Manual

6.6.5 LD SAFETY SWITCHES

BICU
CN312-1
PSU
+5V
To ensure personal safety and to prevent the laser beam from inadvertently
switching on during servicing, power to the laser diode is switched off when the
front cover or upper right cover is opened. Four safety switches are installed in
series on the LD5 V line from the power supply unit (PSU) via the BICU board.
SM
CÓPIA NÃO CONTROLADA
LDDR
CN402-4
+5V
LD5V
LD2
LD1
6-51
CÓPIA NÃO CONTROLADA
LASER EXPOSURE
Upper Right
Cover Switch
CN403-1
CN403-3
Front Cover
Safety Switch
B004D505.WMF
B079/B082