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2K5
Connector
Pin No.
TB1
TB
Connected
TB2
to the AC
inlet and
TB3
main power
switch
TB4
1
YC1
Connected
2
to the cas-
3
sette heater
4
1
YC2
Connected
2
to the cas-
3
sette heater
4
1
YC3
Connected
2
to the fuser
heater 1/2
3
and relay
PWB
YC4
1
Connected
2
to the main
3
PWB
4
5
6
7
8
9
10
YC6
1
Connected
2
to the power
source fan
motor
YC7
1
Connected
2
to the
3
engine PWB
4
5
6
2-3-2
Signal
I/O
LIVE
I
NEUTRAL
I
LIVE
O
LIVE
I
LIVE
O
N.C.
-
N.C.
-
NEUTRAL
O
LIVE
O
N.C.
-
N.C.
-
NEUTRAL
O
MH
O
SH
O
LIVE
O
+5V
O
+5V
O
+5VSL
O
+12VSL
O
+24VSL
O
GND
-
GND
-
GND
-
GND
-
GND
-
FAN7DRN
O
+24VSL
O
MHEATN
I
SHEATN
I
FAN7DRN
I
GND
-
ZCROSSC
O
SLEEPN
O
Voltage
120 V AC
AC power input
220-240 V AC
120 V AC
AC power input
220-240 V AC
120 V AC
AC power output to MSW
220-240 V AC
120 V AC
AC power input from MSW
220-240 V AC
120 V AC
AC power output
220-240 V AC
-
Not used
-
Not used
120 V AC
AC power output
220-240 V AC
120 V AC
AC power output
220-240 V AC
-
Not used
-
Not used
120 V AC
AC power output
220-240 V AC
120/0 V AC
FH1: On/Off
220-240/0 V AC
120/0 V AC
FH2: On/Off
220-240/0 V AC
120 V AC
AC power output to RYPWB
220-240 V AC
5 V DC
5 V DC power output to MPWB
5 V DC
5 V DC power output to MPWB
5 V DC
5 V DC power output to MPWB
12 V DC
12 V DC power output to MPWB
24 V DC
24 V DC power output to MPWB
-
Ground
-
Ground
-
Ground
-
Ground
-
Ground
0/24 V DC
PSFM: On/Off
24 V DC
24 V DC power output to PSFM
0/5 V DC
FH-M: On/Off
0/5 V DC
FH-S: On/Off
0/24 V DC
PSFM: On/Off
-
Ground
0/5 V DC (pulse)
Zero-cross signal
0/5 V DC
Sleep signal: On/Off
Service Manual
Description
Y112040-6
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