2KR/2KS
2-3-28
YC3
1
VBUS
I
5 V DC
5 V DC power input
Connected
to the main
PWB
2
DN
I/O
-
USB data signal
3
DP
I/O
-
USB data signal
4
ID
-
-
Not used
5
GND
-
-
Ground
YC4
1
SUPND POWER
I
5 V DC
5 V DC power input from MPWB
Connected
to the main
PWB
2
GND
-
-
Ground
3
PH KEY
O
0/5 V DC
Power key: On/Off
4
GND
-
-
Ground
5
AUDIO
I
Analog
Audio output signal
6
SUPND_ENTR
I
0/3.3 V DC
Energy save mode control signal
7
+24V_DOWN
I
0/3.3 V DC
24 V DC down signal
8
SW_FOOTN
-
-
Not used
9
HOLDPANEL
I
0/3.3 V DC
Operation panel displaying enable signal
10
PANEL_RESET
I
0/3.3 V DC
MPWB reset signal
11
S_LED1
I
0/3.3 V DC
Operation panel LED display signal
12
S_LED0
I
0/3.3 V DC
Operation panel LED display signal
13
PANEL_STATU
S
O
0/3.3 V DC
Operation panel status signal
YC6
1
GND
-
-
Ground
Connected
to the LCD
inverter
PWB
2
+12V
O
12 V DC
12 V DC power output to LINPWB
3
LCDBKLT
O
0/3.3 V DC
LCD back light: On/Off
4
ADJUST
O
Analog
LCD back light brightness adjustment signal
5
GND
-
-
Ground
YC7
1
KEY0
I
0/3.3 V DC (pulse) Operation panel key scan return signal 0
Connected
to the right
operation
PWB
2
KEY1
I
0/3.3 V DC (pulse) Operation panel key scan return signal 1
3
KEY2
I
0/3.3 V DC (pulse) Operation panel key scan return signal 2
4
KEY3
I
0/3.3 V DC (pulse) Operation panel key scan return signal 3
5
KEY4
I
0/3.3 V DC (pulse) Operation panel key scan return signal 4
6
SCAN0
O
0/3.3 V DC (pulse) Scan signal 0
7
SCAN1
O
0/3.3 V DC (pulse) Scan signal 1
8
SCAN2
O
0/3.3 V DC (pulse) Scan signal 2
9
SCAN3
O
0/3.3 V DC (pulse) Scan signal 3
10
SCAN6
O
0/3.3 V DC (pulse) Scan signal 6
11
LED0
O
0/3.3 V DC (pulse) Operation panel LED display drive signal 0
12
LED1
O
0/3.3 V DC (pulse) Operation panel LED display drive signal 1
13
PH KEY
I
0/5 V DC
Power key: On/Off
14
SUPND POWER
O
5 V DC
5 V DC power output to OPWB-R
15
GND
-
-
Ground
Connector
Pin No.
Signal
I/O
Voltage
Description
Summary of Contents for TASKalfa 420i
Page 1: ...SERVICE MANUAL Published in May 2010 842KS113 2KSSM063 Rev 3 TASKalfa 420i TASKalfa 520i ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 14: ...2KR 2KS This page is intentionally left blank ...
Page 224: ...2KR 2KS 1 4 66 This page is intentionally left blank ...
Page 328: ...2KR 2KS 2 3 30 This page is intentionally left blank ...
Page 371: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Page 381: ...INSTALLATION GUIDE FOR 3000 SHEETS PAPER FEEDER ...
Page 436: ...INSTALLATION GUIDE FOR CENTER FOLDING UNIT ...
Page 450: ...INSTALLATION GUIDE FOR MAILBOX ...
Page 458: ...INSTALLATION GUIDE FOR HOLE PUNCH UNIT ...
Page 470: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Page 483: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Page 491: ...INSTALLATION GUIDE FOR FAX System ...
Page 507: ......
Page 508: ......