Ricoh C211 Service Manual page 493

10. Circuit : SS950
Main Control P.C. B.
24b
'rumsafe''swL
Color Drum
Fr= ~
CN302- 1
I
I
11. Input/Output : SS950
*
GN=
:N901-1
CN902-1
CN902-2
1-
Y&a----
CN104-1
CNI04-4(
CN104-28
CN104-32(
CN102-8
GND
CN102-18
CN104-16
CN104-14
-12V
0
SOL Ink Supply SOI.
)
I
Signal Name
1/0 Main Control PCB
Description
CN No.
Level
Ink Supply
o CN 102-32
When the solenoid turns on, CNI 02-
Solenoid
24"10" 32's 'v.
Drum Safety
I CNI02-28
When the drum detecting switch turn
Switch
OV-.r 24'
on, CN 102-28 is 24V.
12. Function : SS950
When the drum is pulled out, the drum safety switch is turned off and the Cover Open in-
dicator blinks.
When the color drum unit is set, the Color indicator lights because the optional drum
short circuits pins 5 and 6 which causes CN 102-18 to go LOW.
2-80