2NP
2-3-15
YC6
B5
MISENS
I
Analog
Chager roller AC current signal
Connected to
high voltage
PWB
B6
HVU1_REM
O
0/10 to 24 V DC
(pulse)
Developer bias remote signal
B7
DC_SLV_BK
O
Analog
Developer sleeve roller bias control
voltage (black)
B8
DC_MAG_M
O
Analog
Developer magnet roller bias control
voltage (magenta)
B9
DC_MAG_BK
O
Analog
Developer magnet roller bias control
voltage (black)
B10 DC_SLV_M
O
Analog
Developer sleeve roller bias control
voltage (magenta)
B11 DC_MAIN_CO
NT_BK
O
Analog
Chager roller control voltage (black)
B12 DC_MAIN_CO
NT_M
O
Analog
Chager roller control voltage (magenta)
B13 AC_MAIN_CO
NT_BK
O
Analog
Developer AC bias control voltage (black)
B14 HVU_CLK_BK
O
0/10 V DC (pulse)
Developer bias clock signal (black)
B15 HVU_CLK_M
O
0/10 V DC (pulse)
Developer bias clock signal (magenta)
B16 24VIL3
O
24 V DC
24 V DC power output to HVPWB
B17 24VIL3
O
24 V DC
24 V DC power output to HVPWB
YC8
1
GND
-
-
Ground
Connected to
temperature
sensor
2
TMPDATA
I
Analog
TEMS detection voltage (temperature)
3
HUM_CLK1
O
0/3.3 V DC(pulse)
TEMSClock signal
4
HUM_CLK2
O
0/3.3 V DC(pulse)
TEMSClock signal
5
HUMDATA
I
Analog
TEMS detection voltage (humidity)
YC7
1
GND
-
-
Ground
Connected to
high voltage
PWB sub
2
T1_CONT_BK
O
Analog
Primary transfer bias control voltage
(black)
3
T1_CONT_C
O
Analog
Primary transfer bias control voltage
(magenta)
4
CL_CONT
O
Analog
Cleaning bias control voltage
5
HVU2_REM
O
0/10 to 24 V DC
(pulse)
Transfer bias remote signal
6
T1_CONT_Y
O
Analog
Primary transfer bias control voltage
(yellow)
7
T1_CONT_M
O
Analog
Primary transfer bias control voltage
(cyan)
8
24VIL3
O
24 V DC
24 V DC power output to HVPWB-S
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 ...