Service manual

Appendix
EPSON FX-880/FX-1180 Service Manual
A-5
Table A-10. Connector Pin Assignments-CN7
Pin I/O Signal Function
1

+5 V +5 VDC line
2 In HTMP Head temperature signal
3 Out HEAD3 Head Data 3
4 Out HEAD1 Head Data 1
5 Out HEAD5 Head Data 5
6 Out C5 Head Drive Common 3 and 7
7 Out HEAD7 Head Data 7
8 Out C4 Head Drive Common 5 and 9
9 Out HEAD9 Head Data 9
10 Out HEAD8 Head Data 8
11 Out HEAD4 Head Data 4
12 Out C3 Head Drive Common 3
13 Out C2 Head Drive Common 8
14 Out HEAD6 Head Data 6
15 Out C1 Head Drive Common 1 and 4
16 Out HEAD2 Head Data 2
Table A-11. Connector Pin Assignments-CN8
Pin I/O Signal Function
1 Out PFA PF Motor Phase A
2 Out PF-A PF Motor Phase A
3 Out PFB PF Motor Phase B
4 Out PF-B PF Motor Phase B
Table A-12. Connector Pin Assignments-CN9
Pin I/O Signal Function
1 Out CRA CR Motor Phase A
2 Out CR-A CR Motor Phase A
3 Out CRB CR Motor Phase B
4 Out CR-B CR Motor Phase B
5

+35 V CR Motor Common