Epson C11C605001 - DFX 9000 B/W Dot-matrix Printer Service Manual page 157

Appendix
Pin No.
2
3
4
5
6
Pin No.
1
2
3
Pin . [ Signal
NO
2
3
4
Pin No.
2
3
4
Pin No.
1
2
3
A-14
Table A-17. P/J18 Pin Assignments
Signal Name
SG
I
EP CHEK
I
o
ERASE ON o
—
Table A-18. P/J19 Pin Assignments
Signal Name
—
SG
Sos
—
Table A-19. P/J301 Pin Assignments
Name ] ~ ]
—
—
FG
o
SCREEN
o
Table A-20. P/J305 Pin Assignments
Signal Nanw
o
FAN FAST
FAN ALARM I
—
—
Table A-21. P/J306 Pin Assignments
Signal Name
C FAN o
—
NC
—
Description
Ground
Imaging cartridge sensor
Laser diode power (input)
Laser diode power (output)
Erase lamp on
Description
Ground
SOS sensor signal
+5 VDc
Description
Ground
Frame ground
Screen voltage adjustment
Developing bias
Description
Fan speed control
Fan error signal
+24 VDC
Description
fan control
Chute
Not mnnected
Ground
Rev. A