Epson EPL-9000 Service Manual page 157

Appendix
Pin No.
2
3
4
5
6
Pin No.
1
2
3
High-Voltage Supply Board
Pin .
NO
2
3
4
Pin No.
2
3
4
Pin No.
1
2
3
A-14
Table A-17.
Signal Name
SG
I
EP CHEK
I
o
ERASE ON o
—
Table A-18. Pin Assignments
Signal Name
—
SG
Sos
—
Table A-19. Pin Assignments
Name
—
—
FG
o
SCREEN
o
Table A-20. Pin Assignments
Signal
FAN FAST o
FAN ALARM I
—
—
Table A-21. Pin Assignments
Signal Name
o
C FAN
—
NC
—
Assignments
Description
Ground
Imaging cartridge sensor
Laser diode power (input)
Laser diode power (output)
Erase lamp on
Description
Ground
SOS sensor signal
+5
Board)
Description
Ground
Frame ground
Screen voltage adjustment
Developing bias
Description
Fan speed control
Fan error signal
+24
Description
fan control
Chute
Not
Ground
Service
Rev.