2NP-5
2-3-14
YC4
47
GND
-
-
Ground
Connected to
engine
connect
PWB
48
BLT_SDA
I/O
0/3.3 V DC
Data signal
49
GND
-
-
Ground
50
BLT_SCL
O
0/3.3 V DC
Clock signal
YC5
1
3.3V1
O
3.3 V DC
3.3 V DC power output to ECPWB
Connected to
engine
connect
PWB
2
3.3V2
O
3.3 V DC
3.3 V DC power output to ECPWB
3
GND
-
-
Ground
4
GND
-
-
Ground
5
ID_CL_MOT_
OUTA
O
24 V DC
IDSM drive voltage output
6
ID_CL_MOT_
OUTB
O
24 V DC
IDSM drive voltage output
7
BLT_MOT_O
UTA
O
24 V DC
TCBRM drive voltage output
8
BLT_MOT_O
UTB
O
24 V DC
TCBRM drive voltage output
YC6
A1
AC_MAIN_CO
NT_C
O
Analog
Developer AC bias control voltage (cyan)
Connected to
high voltage
PWB
A2
AC_MAIN_CO
NT_M
O
Analog
Developer AC bias control voltage
(mgenta)
A3
DC_MAIN_CO
NT_C
O
Analog
Chager roller control voltage (cyan)
A4
HVU_CLK_C
O
DC0V/10V(pulse)
Developer bias clock signal (cyan)
A5
DC_SLV_C
O
Analog
Developer sleeve roller bias control
voltage (cyan)
A6
DC_MAG_Y
O
Analog
Developer magnet roller bias control
voltage (yellow)
A7
DC_MAG_C
O
Analog
Developer magnet roller bias control
voltage (cyan)
A8
DC_SLV_Y
O
Analog
Developer sleeve roller bias control
voltage (yellow)
A9
DC_MAIN_CO
NT_Y
O
Analog
Chager roller control voltage (yellow)
A10 AC_MAIN_CO
NT_Y
O
Analog
Developer AC bias control voltage
(yellow)
A11 HVU_CLK_Y
O
DC0V/10V(pulse)
Developer bias clock signal (yellow)
B1
GND
-
-
Ground
B2
GND
-
-
Ground
B3
SP_CONT
O
Analog
Separation control signal
B4
T2_CONT
O
Analog
Secondary transfer control voltage
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 ...