Ricoh B064 - Ld Safety Switches

LASER EXPOSURE
SM 6-49 B064 Series/B140 Series/G126
Detailed
Descriptions
6.7.5 LD SAFETY SWITCHES
To ensure the safety of customers and customer engineers, two switches inside
the cover prevent the laser beams from switching on accidentally.
When the front cover is open, the 5V line connecting each LD driver on the LD
control board is disconnected.
MGAVD
LVDS
RECEIVER
IC
LDA
Inter-lock SW
PSU
IPU
REG
LDD
+5V
+5V
DATA1–
DATA1+
+3.3V
LDB
ALD
AA
RE
10
560
560
15
8.2
5
DATA1
+LD5V
B140D931.WMF
Front Door