Ricoh C211 Service Manual page 504

7.
Circuit: SS950
Paper
1st Paper
EXIt Sensor
Paper
2nd Paoer
EXI t Sensor
8. Input/Output : SS950
Main Control
P.C.B.
12V
Relay Board
<JCN102-4
/
CN104-13( >
. .CN301-9
~>CN104-3I
(GND)
\
CN102-27~ a
4CN104-33
CN302-7
I w
f
I
I
A
12V
CN102-3
/
CN104-32
(GND)
{
CN304-1
CN
<
R
-cN'04-34 I
H
AC1OOV
I
Signal Name
1/0 Main Control PCB
Description
CN No. Level
1st Paper Exit I
CNI04-33
Sensor
3V
When
the paper passes, the CN 104-
(IVJ 33 becomes more than 3V.
2nd Paper Exit I
CNI 04-34
,V r
3V
When the paper passes the CN 104-
Sensor
34 becomes more than 3V.
Relay : Blower o CNI04-13
~~~
1 (),
When the air knife motor and the
vacuum motor turn on, the CN 104-13
becomes OV.
9. Electrical Timing : SS950
Print Start
"~
1st [Ir(]rn Posl! ion SN
Main Motor Fowardlng
Left Cutter SW
~':
Alr Klnfe Motor I
TI : After the master cut process
motor starts rotating. At the
also turn on and stay on until
u-
1-
finishes and the left cutter switch turns on, the main
same time, the air knife motor and the vacuum fan
the first drum position sensor turns on 3 or 4 times.
T2 : When the Print Start key is pressed, the main motor starts rotating and the air knife
motor and the vacuum fan also turn on. Then, when the counter indicates "O", the
main motors turn off after the first drum position sensor turns on 3 or
4
times.
2-91
.