2NP
2-4-25
YC5
YC4
YC3
YC2
YC14
1
2
3
4
5
To Main (P.8)
YC8
6
YC42
7
8
9
10
YC6
YC5
YC9
YC3
YC10
YC1
YC13
CASSETTE SW
1
AC_LIVE_OUT
AC_NEUTRAL_OUT
AC_LIVE_OUT
1
3
AC_LIVE_OUT
6
AC_NEUTRAL_OUT
4
2
24V1
IH_RELAY
6
24V1
2
1
GND
GND
6
24V1
24V1
5
6
1
PRESS_MOT_OUTB
PRESS_MOT_OUTA
9
7
3.3V1_A
4
YC30
YC31
YC32
11
10
6
HR_NCTH2
FSR_PRE_SW
ROTATION
2
GND
16
16
15
GND
15
GND
6
GND
GND
1
2
GND
24V1
12
GND
1
2
5
6
5
6
2
YC11
5
5
GND
NEUTRAL
1
2
3
13
13
4
4
8
8
4
9
5
24V1
1
2
24V1
3
3
24V1
ROTATION
15
5VIH
ROTATION
IGBT1
13
13
12
10
9
IH_REM
OUT_CURRENT
TXD
15
14
12
9
10
24V1
3
2
4
OUT_CURRENT
5
3
3
TH1
TH2
AC_CURRENT
AC_VOLTAGE
1
9
8
14
7
4
6
3
16
17
2
5
1
3
3
YC2
3
3
POWER_OFF
DRMHEAT_REM
IH_RxD
4
IH_ROT
1
4
4
1
3
IH_OUT1
TH2
YC1
1
IH_OUT2
IH_LIVE
IH_NEUTRAL
16
2
9
11
10
7
14
15
13
14
GND
2
1
1
2
AC_LIVE_OUT
AC_NEUTRAL_OU
24V1
AC_NEUTRAL
GND
S2
MSW
16
ERROR
LIVE_IN
AC IN
DH_LIVE
6
5
NEUTRAL_OUT
3
2
LIVE_OUT
2
7
24V1
GND
8
AC_LIVE
1
4
IGBT2
S1
8
RXD
TH1
AC_VOLTAGE
3
12
6
4
1
1
1
2
5
9
1
17
2
11
8
12
5
10
16
5
15
14
5
13
15
13
2
2
Relay
12
2
2
6
8
1
4
6
7
6
1
2
5
8
3
4
2
1
3
6
8
4
3
1
1
5
1
REM
Vout
FPRS
1
1
3
2
2
FPRM
1
Vout
ES
2
GND
24V4
4
11
7
6
6
5
RXD
8
11
NEUTRAL
LIVE
LIVE
3
NC
4
2
LIVE
NC
NEUTRAL
NEUTRAL
1
YC8
5
LIVE
1
#250
5
TB2
TB1
LIVE
1
3
#250
#250
1
AC_LIVE_IN
2
1
CH
1
2
IGBT1
S1
TXD
3
2
AC_CURRENT
3
6
6
4
24V1
10
GND
11
11
7
GND
9
GND
10
GND
14
5
2
4
3
2
IH_TXD
3
IH_RXD
3
1
1
1
GND
GND
3.3V1
HEARTREM
+15V-2
3
1
2
2
FTS
3
1
2
1
1
IH_RELAY
2
24V1
2
3
GND
3.3V
4
YC4
4
3
3
1
3
2
GND
3.3V
NEUTRAL_IN
FIHC
1
3.3V1
2
1
3
IH_HEATER
2
GND
3
1
6
#250
1
3
YC1
3
YC1
LIVE
1
1
LIVE
2
2
14
6
7
12
3
4
4
2
1
GND
IH_ROT
+15V-1
IH_TxD
16
IH_REM
5V
ERROR
S2
IGBT2
7
7
9
8
8
9
7
3
8
9
7
7
4
GND
2
2
4
4
5
6
3
GND
FSR_SW
2
5
3.3V1_A
ROTATION
1
1
FTH3
3
3
EG_TH
GND
PR_TH
1
6
5
FUSER_SCL
FUSER_SDA
1
1
2
HR_NCTH2
2
PR_TH
GND
3.3V1
HR_NCTH1
Relay
2
EG_TH
2
2
1
2
3
1
2
FTH2
FTH1
1
HR_NCTH1
1
2
HR_NCTH2
GND
1
3
4
4
3
3
GND
5V0
5V0
9
9
GND
7
5V0
5V0
GND
10
5V0
5V0
1
2
2
1
3
10
1
GND
2
GND
6
GND
5
24V1
3
5V0
4
2
GND
5V0
GND
8
1
1
2
8
2
1
6
4
5
7
GND
8
24V1
4
24V1
5
5V0
GND
7
HR_EDGE
YC17
SLEEP
1
1
HR_NCTH1
7
3
24V1
6
5
2
3
4
3
24V1
DRM_HEAT_REM
2
YC12
1
1
2
2
GND
YC1
8
GND
1
1
GND
PR_TH
FUSER_SDA
FUSER_SCL
3.3V1
GND
2
3
4
8
5
6
7
3
4
5
8
PSPWB
NETRAL
LIVE
LIVE
24V1
YC7
24V1
1
24V1
1
GND
NETRAL
TB5
6
7
4
2
YC3
GND
FUPWB
IHCONPWB
EPWB
IHPWB
ECPWB
IH COIL UNIT
FUSER UNIT
to PFCH
Controller BOX
PS BOX
To DF(p.4)
1
2
3
4
1
5
2
4
To ISC(p.6)
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 ...