EPSON DFX-9000
Revision B
Appendix
Electrical system connections
285
7.2.1.11 Printhead (CNRHD1)
7.2.1.12 Printhead (CNRHD2)
Table 7-12. CNRHD1 Connector pin assignment
Pin No. I/O
Signal Name Function
1
–
–
Not used
2
O
RR7DV
Rear Right 8 Print Head drive signal
3
O
RR5DV
Rear Right 5 Print Head drive signal
4
O
RR3DV
Rear Right 3 Print Head drive signal
5
O
RR1DV
Rear Right 1 Print Head drive signal
6
O
RR9DV
Rear Right 9 Print Head drive signal
7
–
+42 V
+42 V
8
–
+42 V
+42 V
9
–
+42 V
+42 V
10
–
+42 V
+42 V
11
–
–
Not used
12
–
–
Not used
13
–
+42 V
+42 V
14
–
+42 V
+42 V
15
–
+42 V
+42 V
16
–
+42 V
+42 V
17
–
+42 V
+42 V
18
O
RL2DV
Rear Left 2 Print Head drive signal
19
O
RL4DV
Rear Left 4 Print Head drive signal
20
O
RL6DV
Rear Left 6 Print Head drive signal
21
O
RL8DV
Rear Left 8 Print Head drive signal
22
–
SG1
Ground
Table 7-13. CNRHD2 Connector pin assignment
Pin No. I/O
Signal Name Function
1
I
THSN2
Thermistor2 signal
2
O
RL7DV
Rear Left 7 Print Head drive signal
3
O
RL5DV
Rear Left 5 Print Head drive signal
4
O
RL3DV
Rear Left 3 Print Head drive signal
5
O
RL1DV
Rear Left 1 Print Head drive signal
6
O
RL9DV
Rear Left 9 Print Head drive signal
7
–
+42 V
+42 V
8
–
+42 V
+42 V
9
–
+42 V
+42 V
10
–
+42 V
+42 V
11
–
–
Not used
12
–
–
Not used
13
–
+42 V
+42 V
14
–
+42 V
+42 V
15
–
+42 V
+42 V
16
–
+42 V
+42 V
17
–
+42 V
+42 V
18
O
RR8DV
Rear Right 8 Print Head drive signal
19
O
RR2DV
Rear Right 2 Print Head drive signal
20
O
RR4DV
Rear Right 4 Print Head drive signal
21
O
RR6DV
Rear Right 6 Print Head drive signal
22
–
–
Not used
Summary of Contents for DFX-9000
Page 1: ...EPSONDFX 9000 Serial Impact Dot Matrix Printer SEDM04003 SERVICE MANUAL ...
Page 8: ...C H A P T E R 1 PRODUCT DESCRIPTION ...
Page 61: ...Epson DFX 9000 Revision B Product Description Dimensions and weight 54 ...
Page 62: ...C H A P T E R 2 OPERATING PRINCIPLES ...
Page 99: ...Epson DFX 9000 Revision B Operating Principles Circuit operation 92 ...
Page 100: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 104: ...Epson DFX 9000 Revision B Troubleshooting Overview 97 Mechanism initialization e e e e e ...
Page 107: ...Epson DFX 9000 Revision B Troubleshooting Overview 100 PAPER FEEDING FF APG APPROACH ...
Page 130: ...C H A P T E R 4 DISASSEMBLY AND ASSEMBLY ...
Page 218: ...C H A P T E R 5 ADJUSTMENT ...
Page 263: ...Epson DFX 9000 Revision B Adjustment Additional functions 256 ...
Page 264: ...C H A P T E R 6 MAINTENANCE ...
Page 286: ...C H A P T E R 7 APPENDIX ...
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Page 324: ...EPSON DFX 9000 Revision B Appendix Component Layout 317 7 4 Component Layout ...
Page 333: ...EPSON DFX 9000 Revision B Appendix Parts list 326 ...