Ld Safety Switches - Ricoh MT-C1 Service Manual

15 February 2006

6.7.5 LD SAFETY SWITCHES

B064 Series, B140 Series Safety Switches
IPU
+5V
MGAVD
DATA1–
DATA1+
+5V
PSU
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.
REG
+3.3V
LVDS
DATA1
RECEIVER
IC
LDB
6-49
LASER EXPOSURE
Front Door
Inter-lock SW
+LD5V
LDD
8.2
560
AA
RE
15
560
ALD
10
5
LDA
B246D905.WMF