Epson DFX-9000 Service Manual page 291

EPSON DFX-9000
7.2.1.9 Printhead (CNFHD1)
Table 7-10. CNFHD1 Connector pin assignment
Pin No. I/O Signal Name Function
1 I THSN1
2 O FR7DV
3 O FR5DV
4 O FR3DV
5 O FR1DV
6 O FR9DV
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 FL2DV
19 O FL4DV
20 O FL6DV
21 O FL8DV
22 – –
Appendix
Thermistor1 signal
Front Right 7 Print Head drive signal
Front Right 5 Print Head drive signal
Front Right 3 Print Head drive signal
Front Right 1 Print Head drive signal
Front 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
Front Left 2 Print Head drive signal
Front Left 4 Print Head drive signal
Front Left 6 Print Head drive signal
Front Left 8 Print Head drive signal
Not used
Electrical system connections
7.2.1.10 Printhead (CNFHD2)
Table 7-11. CNFHD2 Connector pin assignment
Pin No. I/O Signal Name Function
1 – –
2 O FL7DV
3 O FL5DV
4 O FL3DV
5 O FL1DV
6 O FL9DV
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 FR8DV
19 O FR2DV
20 O FR4DV
21 O FR6DV
22 – SG1
Revision B
Not used
Front Left 7 Print Head drive signal
Front Left 5 Print Head drive signal
Front Left 3 Print Head drive signal
Front Left 1 Print Head drive signal
Front 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
Front Right 8 Print Head drive signal
Front Right 2 Print Head drive signal
Front Right 4 Print Head drive signal
Front Right 6 Print Head drive signal
Ground
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