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Connector
Pin No.
YC7
6
Connected
7
to the high
8
voltage
9
PWB
10
11
12
YC8
1
Connected
2
to the drum
heater PWB
YC9
1
Connected
2
to the DC
3
power
4
source PWB
5
1
YC10
Connected
2
to the front
3
cover switch
and right
4
cover switch
5
6
1
YC11
Connected
2
to the DC
3
power
source PWB
4
5
6
7
8
9
YC12
1
Connected
2
to the fuser
unit, fuser
3
web sole-
4
noid and
5
switchback
6
exit switch
7
8
9
10
11
2-3-22
Signal
I/O
DLP DC REM
O
G CONT
O
MC ALM
I
MC REM
O
PGND
-
R24V
O
DLP AC CNT
O
R24V
O
DRUM HEAT
I
REM
24V
I
PGND
-
R24V
I
S5V
I
SGND
-
FRONT COV
O
SOR
PGND
-
FRONT COV
I
SIG
RIGHT COV
O
SOR
PGND
-
RIGHT COV
I
SIG
RELAY
O
SOURCE
RELAY REM
O
ZEROCROSS
I
REM
CS HEATER
O
REM
M HEATER
O
REM
L HEATER
O
REM
S HEATER
O
REM
N.C
-
PFAN REM
O
R24V
I
FIX WEBSOL
O
REM
FIX TH M SIG
I
SGND
-
FIX TH S SIG
I
SGND
-
CONVEY U
I
SET
SGND
-
SGND
-
SB EJ SW SIG
I
5V
O
Voltage
0/24 V DC
Developing bias DC: On/off
Analog
Grid control voltage
0/5 V DC
Main charger alarm signal
0/24 V DC
Main charger: On/off
-
Power ground
24 V DC
24 V DC power output
Analog
Developing bias AC control voltage
24 V DC
24 V DC power output
0/24 V DC
Drum heater: On/off
24 V DC
24 V DC power input
-
Power ground
24 V DC
24 V DC power input
5 V DC
5 V DC power input
-
Signal ground
24 V DC
24 V DC power output
-
Power ground
24/0 V DC
Front cover switch: On/off
24 V DC
24 V DC power output
-
Power ground
24/0 V DC
Right cover switch: On/off
24 V DC
24 V DC power output
0/24 V DC
Relay control signal
0/5 V DC
Zero cross signal
(pulse)
0/5 V DC
Drawer heater 1, 2 and 3: On/off
0/5 V DC
Fuser heater M: On/off
0/5 V DC
Fuser heater L: On/off
0/5 V DC
Fuser heater S: On/off
-
Not used
0/5 V DC
PWB fan motor: On/off
24 V DC
24 V DC power output
0/24 V DC
Fuser web solenoid: On/off
Analog
Fuser thermistor M detection signal
-
Signal ground
Analog
Fuser thermistor S detection signal
-
Signal ground
0/5 V DC
Conveying unit set signal
-
Signal ground
-
Signal ground
0/5 V DC
Switchback exit switch: On/off
5 V DC
5 V DC power output
Service Manual
Description
Y104350-7
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