Epson DFX-9000 Service Manual page 292

EPSON DFX-9000
7.2.1.11 Printhead (CNRHD1)
Table 7-12. CNRHD1 Connector pin assignment
Pin No. I/O Signal Name Function
1 – –
2 O RR7DV
3 O RR5DV
4 O RR3DV
5 O RR1DV
6 O RR9DV
7 – +42 V
8 – +42 V
9 – +42 V
10 – +42 V
11 – –
12 – –
13 – +42 V
14 – +42 V
15 – +42 V
16 – +42 V
17 – +42 V
18 O RL2DV
19 O RL4DV
20 O RL6DV
21 O RL8DV
22 – SG1
Appendix
Not used
Rear Right 8 Print Head drive signal
Rear Right 5 Print Head drive signal
Rear Right 3 Print Head drive signal
Rear Right 1 Print Head drive signal
Rear Right 9 Print Head drive signal
+42 V
+42 V
+42 V
+42 V
Not used
Not used
+42 V
+42 V
+42 V
+42 V
+42 V
Rear Left 2 Print Head drive signal
Rear Left 4 Print Head drive signal
Rear Left 6 Print Head drive signal
Rear Left 8 Print Head drive signal
Ground
Electrical system connections
7.2.1.12 Printhead (CNRHD2)
Table 7-13. CNRHD2 Connector pin assignment
Pin No. I/O Signal Name Function
1 I THSN2
2 O RL7DV
3 O RL5DV
4 O RL3DV
5 O RL1DV
6 O RL9DV
7 – +42 V
8 – +42 V
9 – +42 V
10 – +42 V
11 – –
12 – –
13 – +42 V
14 – +42 V
15 – +42 V
16 – +42 V
17 – +42 V
18 O RR8DV
19 O RR2DV
20 O RR4DV
21 O RR6DV
22 – –
Revision B
Thermistor2 signal
Rear Left 7 Print Head drive signal
Rear Left 5 Print Head drive signal
Rear Left 3 Print Head drive signal
Rear Left 1 Print Head drive signal
Rear Left 9 Print Head drive signal
+42 V
+42 V
+42 V
+42 V
Not used
Not used
+42 V
+42 V
+42 V
+42 V
+42 V
Rear Right 8 Print Head drive signal
Rear Right 2 Print Head drive signal
Rear Right 4 Print Head drive signal
Rear Right 6 Print Head drive signal
Not used
285