2KJ/2KH
2-3-2
Connector
Pin No.
Signal
I/O
Voltage
Description
TB
1
AC_LIVE
I
120 V AC
220-240 V AC
AC power input
Connected
to the AC
inlet and
main power
switch
2
AC_COM
I
120 V AC
220-240 V AC
AC power input
3
LIVE
O
120 V AC
220-240 V AC
AC power output to MSW
4
LIVE
I
120 V AC
220-240 V AC
AC power input from MSW
YC1
1
GND
-
-
Ground
Connected
to the
engine PWB
2
+24V
O
24 V DC
24 V DC power output to EPWB
3
+24V
O
24 V DC
24 V DC power output to EPWB
4
+24V
O
24 V DC
24 V DC power output to EPWB
5
GND
-
-
Ground
6
GND
-
-
Ground
YC2
1
+24V2
O
24 V DC
24 V DC power output to EPWB
Connected
to the
engine PWB
2
ZCROSS
O
0/3.3 V DC (pulse) Zero-cross signal
3
RELAYREM
I
0/3.3 V DC
Relay signal
4
GND
-
-
Ground
5
SHREM
I
0/3.3 V DC
FH-S: On/Off
6
SLEEP
I
0/3.3 V DC
Sleep signal: On/Off
7
MHREM
I
0/3.3 V DC
FH-M: On/Off
YC3
1
LIVE
O
120 V AC
220-240 V AC
AC power output to CH
Connected
to the cas-
sette heater
and paper
feeder
2
LIVE
O
120 V AC
220-240 V AC
AC power output to CH
3
NC
-
-
Not used
4
NEUTRAL
O
120 V AC
220-240 V AC
AC power output to CH (paper feeder)
5
NEUTRAL
O
120 V AC
220-240 V AC
AC power output to CH (paper feeder)
YC4
1
MH
O
120 V AC
220-240 V AC
FH-M: On/Off
Connected
to the fuser
heater M/S
2
SH
O
120 V AC
220-240 V AC
FH-S: On/Off
3
LIVE
O
120 V AC
220-240 V AC
AC power output to FM-M/S
Summary of Contents for TASKalfa 181
Page 1: ...SERVICE MANUAL Published in October 2009 842KJ112 2KJSM062 Rev 2 TASKalfa 181 TASKalfa 221 ...
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Page 14: ...2KJ 2KH This page is intentionally left blank ...
Page 114: ...2KJ 2KH 1 3 74 This page is intentionally left blank ...
Page 152: ...2KJ 2KH 1 4 38 This page is intentionally left blank ...
Page 292: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Page 306: ...INSTALLATION GUIDE FOR DUPLEX UNIT ...
Page 315: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Page 327: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Page 336: ...INSTALLATION GUIDE FOR FAX System R ...
Page 351: ...INSTALLATION GUIDE FOR Scan System F B ...
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