Epson EPL-N1200 Service Manual page 144

EPL-N1200 Service Manual
A.1.2. Engine Controller Board (PWB-A Board)
Pin No.
1
2
3
4
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
Pin No.
1
2
3
4
5
6
7
8
Pin No.
1
2
3
4
5
6
7
8
Rev. A
Table A-8. CN4 Pin Assignments
Signal Name I/O
GND1 —
TONER LED O
TONER LEVEL I
+5V —
Table A-9. CN5 Pin Assignments
Signal Name I/O
M2:CLK O
M2:LOCK I
M2:ON O
GND2 —
24 VDC —
5 VDC —
LDATA O
GND1 —
LDVR1 O
LDVR2 O
LDLVL I
SSCAN I
GND1 —
Table A-10. CN6 Pin Assignments
Signal Name I/O
ANODE —
GND1 —
PS3 I
+24V —
PICK-UP1 —
ANODE I
GND1 —
P.EMP1 O
Table A-11. CN7 Pin Assignments
Signal Name I/O
GND1 —
PS1 I
ANODE —
+24V —
GND2 —
HV-CT.R O
HV-T O
HV-B.VR O
Description
Ground
LED power
Toner empty signal
+5 VDC
Description
M2 drive clock
M2 lock signal
M2 drive
Ground
+24 VDC
+5 VDC
Laser data
Ground
Laser power adjust 1
Laser power adjust 2
Laser power signal
Horizontal synchronous signal
Ground
Description
+5 VDC
Ground
Paper exit signal
+24 VDC
Paper take-up solenoid trigger
+5 VDC
Ground
Paper empty sensor signal
Description
Ground
Paper take-up signal
+5 VDC
+24 VDC
Ground
Drum charge on
Image transfer on
Developing bias control
Appendix A
A-13