Epson C11C605001 - DFX 9000 B/W Dot-matrix Printer Service Manual page 155

Appendix
A.1.2 Engine Controller Board (MCU PWB Board)
Pin No.
2
3
4
5
6
7
8
9
10
12
13
14
Pin No.
2
3
4
5
6
7
9
10
11
12
13
Pin No.
2
3
4
5
6
7
8
9
10
11
12
A-12
Table A-10. P/Jll Pin Assignments
Signal Name
o
—
SG
I
—
SG
—
—
—
SG
—
—
—
—
—
TEMP.
—
SG
Table A-n. P/J12 Pin Assignments
Signal Name
o
DATA
—
MO
o
0
—
SG
—
o
0
—
SG
—
S M ON
—
—
Table A-12 P/J13 Pin Assignments
Signal Name
—
I
—
SG
—
o
1.T.S
0
—
o
0
Description
Heater ON
Ground
Voltage drop signal
Ground
+5 VDc
Ground
Ground
Ground
+24 VDC
+24 VDC
Fuser temperature
Description
Laser diode dfive data
+5 VDc
Output level of laser diode
Laser diode power adjustment 2
Laser diode power adjustment 1
Ground
+5 VDc
Scanner motor speed control 2
Scanner motor speed contmi 2
Ground
+24 VDC
No paper of 1 et cassette
+5 VDc
No paper of 2nd cassette
Ground
Paper size of Ist cassette
Paper size of 2nd cassette
+24 VDC
Tern solenoid on of let cassette
Tern solenoid on of 2nd cassette
+24 VDC
Feed solenoid of 1 at oassette
Feed solenoid of 2nd cassette
Rev. A