Epson FX-880 Service Manual page 140

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