Epson LQ-300 Service Manual page 106

Appendix
Table A-9. Connector Pin Assignments - CN9
Pin I/o
1
2 —
Table A-10. Connector Pin Assignments - CN1O
Pin I/o
2 —
Table A-1 1. Connector Pin Assignments - CN11,CN12,CN13
Pin I/o
1 —
2 —
3 —
4 0
5 0
6 0
7 0
8 —
9
10 —
A-4
Signal Name
RELSW Release lever position
Signal
Name
Platen gap sensor signal
Gap-Adj
Signal ground
Name
Signal
+35 VDC
+35
+5
CS-HOLD
+5 VDC
+5 VDC
CS A CS motor phase A
CS-A CS motor phase –A
CS motor phase B
CS B
CS–B CS motor phase –B
GP Signal ground
C c s w Color ribbon sensor signal
GAD
Function
sensor signal
Function
Function