Epson FX-880 Service Manual page 139

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