2NP
2-3-21
YC21
9
EJE_FULL_U
P
I
0/3.3 V DC
PFS: On/Off
Connected to
feed sift
solenoid,
eject motor,
paper full
sensor, job
paper full
sensor
10
3.3V1_A
O
3.3 V DC
3.3 V DC power output to JEPS
11
GND
-
-
Ground
12
EJE_FULL_D
WN
I
0/3.3 V DC
JEPS: On/Off
13
GND
-
-
Ground
14
JS_LED
O
0/3.3 V DC
JLED: On/Off
YC22
1
3.3V1
O
3.3 V DC
3.3 V DC power output to MPPWSW
Connected to
2
MPF_WSIZE
I
0/3.3 V DC
MPPWSW: On/Off
MP tray
detection
switch, MP
paper length
switch, MP
paper width
switch
3
MPF_LSIZE
I
0/3.3 V DC
MPPLSW: On/Off
4
GND
-
-
Ground
5
3.3V1_A
O
3.3 V DC
3.3 V DC power output to MPPLSW
6
MPF_TRAY
I
0/3.3 V DC
MPTDSW: On/Off
7
GND
-
-
Ground
YC23
1
24VIL3F1
O
24 V DC
24 V DC power output to FUFM1
Connected to
fuser
fanmotor1
and 2
2
FUSER_FAN1
_REM
O
0/24 V DC
FUFM1: On/Off
3
24VIL3
O
24 V DC
24 V DC power output to FUFM2
4
FUSER_FAN2
_REM
O
0/24 V DC
FUFM2: On/Off
YC24
1
3.3V1_A
O
3.3 V DC
3.3 V DC power output to DUS
Connected to
duplex
sensor, MP
paper
sensor, eject
sensor, feed
sensor1
2
GND
-
-
Ground
3
DU_SW
I
0/3.3 V DC
DUS: On/Off
4
GND
-
-
Ground
5
LOOP_SW
I
0/3.3 V DC
FUPS: On/Off
6
5V1
-
5 V DC
5 V DC power output to FUPS
7
3.3V2_A
O
3.3 V DC
3.3 V DC power output to MPPS
8
GND
-
-
Ground
9
MPF_PAPER_
SET
I
0/3.3 V DC
MPPS: On/Off
10
3.3V1_A
O
3.3 V DC
3.3 V DC power output to FS1
11
GND
-
-
Ground
12
FEED_SW
I
0/3.3 V DC
FS1: On/Off
Connector
Pin
Signal
I/O
Voltage
Description
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 ...