2NP-7
2-3-46
Connector
Pin
Signal
I/O
Voltage
Description
TB
1
LIVE
I
220-240 V AC
AC power input
Connected to
AC inlet and
AC connect
PWB
2
NEUTRAL
I
220-240 V AC
AC power input
5
LIVE
I
220-240 V AC
AC power input
YC1
1
LIVE
O
220-240 V AC
AC power input from MSW
Connected to
main power
switch
2
LIVE
I
220-240 V AC
AC power output to MSW
3
NEUTRAL
I
220-240 V AC
AC power output to MSW
4
NEUTRAL
O
220-240 V AC
AC power input from MSW
YC3
1
LIVE
O
100 V AC
AC power output to IHPWB
Connected to
IH PWB
2
NEUTRAL
O
100 V AC
AC power output to IHPWB
YC7
1
LIVE
I
100 V AC
AC power input from PFDSW
Connected to
paper feeder
detection
awitch
3
LIVE
O
100 V AC
AC power output to PFDSW
YC8
1
LIVE
O
100 V AC
AC power output to CH
Connected to
cassette
heater
2
LIVE
O
100 V AC
AC power output to PFCH
3
NC
-
-
Not used
4
NC
-
-
Not used
5
NEUTRAL
O
100 V AC
AC power output to CH
6
NEUTRAL
O
100 V AC
AC power output to PFCH
YC11
1
24V1
-
-
Not used
Connected to
engine
connect
PWB
2
24V1
O
24 V DC
24 V DC power output to ECPWB
3
24V1
O
24 V DC
24 V DC power output to ECPWB
4
GND
-
-
Ground
5
GND
-
-
Ground
6
GND
-
-
Not used
YC12
1
24V1
O
24 V DC
24 V DC power output to EPWB
Connected to
engine PWB
2
24V1
O
24 V DC
24 V DC power output to EPWB
3
24V1
O
24 V DC
24 V DC power output to EPWB
4
5V0
O
5 V DC
24 V DC power output to EPWB
5
GND
-
-
Ground
6
GND
-
-
Ground
7
GND
-
-
Ground
8
GND
-
-
Ground
Summary of Contents for TASKalfa 2551ci
Page 1: ...SERVICE MANUAL Published in September 2016 842NP11A 2NPSM06A Rev A TASKalfa 2551ci ...
Page 10: ...This page is intentionally left blank ...
Page 97: ...2NP 1 1 2 74 This page is intentionally left blank ...
Page 259: ...2NP 1 3 162 U486 Details on the modes Figure 1 3 47 Item No Description ...
Page 473: ...2NP 1 5 62 This page is intentionally left blank ...
Page 497: ...2NP 2 1 22 This page is intentionally left blank ...
Page 555: ...2NP 2 3 48 This page is intentionally left blank ...
Page 584: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide ...
Page 620: ...DP 773 Document processor Installation Guide ...
Page 646: ...PF 791 500 x 2 Paper feeder Installation Guide ...
Page 654: ...PF 810 3000 sheets deck Installation Guide ...
Page 667: ...DF 770 D Document finisher Installation Guide ...
Page 685: ...AK 740 Bridge unit Installation Guide ...
Page 687: ...PH 7A C D Punch unit Installation Guide ...
Page 708: ...DT 730 B Document tray Installation Guide ...
Page 710: ...5 2013 5 302LC56750 01 H F G D D 6 4 3 7 E C D D M4 8 M4 8 M4 8 M4 8 ...
Page 711: ...FAX System W B Installation Guide ...