Epson DFX-8500 All in One Printer User Manual


 
DFX-8500
Rev. B
A-
4
Table A-5. C204 MAIN Board Connector CN4
Pin Signal Name I/O Function
1GND-
2+5V-
3 ENCB I CR encoder B phase pulse
4 ENCA I CR encoder A phase pulse
Table A-6. C204 MAIN Board Connector CN5
Pin Signal Name I/O Function
1 LED_DATA O LED data
2 LED_XLE O LED data latch
3 LED_CLK O LED data clock
5 LED_XOE O LED light enable
6 BUZZER O Buzzer
7VCC- +5 VDC
9 SW_INH O Switch data transfer inhibit
9 SW_S/XL O Switch data shift/load select
11 SW_DATA I Switch data
13 SW_CLK O Switch data clock
4, 10, 912, 14 GND -
Table A-7. C204 MAIN Board Connector CN6
Pin Signal Name I/O Function
1, 2, 3 VP1 - +37 VDC
4, 5, 6 GP1 - GND for VP1
Table A-8. C204 MAIN Board Connector CN7
Pin Signal Name I/O Function
1, 2, 3 VP2 - +37 VDC
4, 5, 6 GP2 - GND for VP2
Table A-9. C204 MAIN Board Connector CN8
Pin Signal Name I/O Function
8, 7, 6 VP1 - +37 VDC
5, 4, 3 GP1 - GND for VP1
1 VX - +5 VDC switched by reset status
2GND-
Table A-10. C204 MAIN Board Connector CN9
Pin Signal Name I/O Function
1 CUTON O Cut signal
2 CUTDIR I Cut direction
3 CUTTER I Paper cutter mount/dismount
4 CUTHPI I Cutter home position
5+5V-
6GND-
7 RF I Reverse point signal
Table A-11. Digital Board Connector CN10
Pin Signal Name I/O Function
1, 2 +5V I
3, 4 GND O
5 DRERR O Head driver error signal
6 /PD O Power down signal
7 CL I Current limit signal
8 SD I Power shutdown signal