Service manual

Appendix
A-4
EPSON FX-880/FX-1180 Service Manual
Table A-5. Connector Pin Assignments-CN2 (continued)
Pin I/O Signal Function
33 In/Out D3 Data bus bit 3
34 In/Out D2 Data bus bit 2
35 In/Out D1 Data bus bit 1
36 In/Out D0 Data bus bit 0
Table A-6. Connector Pin Assignments-CN3
Pin I/O Signal Function
1 Out PSC Power Signal Control
2 In PWDN Power down
3 to 4

+5 V + 5 VDC line
5 to 6

GND Ground
7

+35 V +35 VDC line
8

+35 V +35 VDC line
9 to 10

GP Ground
Table A-7. Connector Pin Assignments-CN4
Pin I/O Signal Function
1 In HP Home position sensor signal
2

GND Ground
Table A-8. Connector Pin Assignments-CN5
Pin I/O Signal Function
1

+5 V +5 VDC line
2 In PE Rear PE sensor signal
3

GND Ground
Table A-9. Connect Pin Assignments-CN6
Pin I/O Signal Function
1 In PE Front PE sensor signal
2

GND Ground