Epson DFX-9000
Revision B
Product Description
Basic specifications
26
* In/Out denotes the signal flow direction from the printer.
11
BUSY
29
Out
This signal, when high, means that the printer is not ready to accept data.
12
PE
28
Out
This signal, when high, means that the printer has a paper-out error.
13
SLCT
28
Out
Always high (active) when the printer is powered on.
14
-AFXT
30
In
Not used.
31
-INIT
30
In
This signal’s negative pulse initializes the printer.
32
-ERROR
29
Out
This signal is low when the printer has error.
36
-SLIN
30
In
Not used.
18
Logic H
-
Out
This line is pulled up to +5 V through a 3.9 k
Ω
resistor.
35
+5 V
-
Out
This line is pulled up to +5 V through a 1.0 k
Ω
resistor.
17
Chassis
-
-
Chassis GND
16, 33
19-30
GND
-
-
Signal GND
15, 34
NC
-
-
Not connected.
Table 1-20. Connector pin assignment, forward channel (continued)
Pin No.
Signal
name
Return
GND Pin
In/Out*
Function description
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 ...