Appendix A - Troubleshooting
Parallel Interface The figure below displays the cable wiring Cable Wiring required to use the printer's Centronics parallel
interface.
HOST | Centronics | PRINTER | ||
Pin No. | Pin No. | |||
STROBE | 1 | 1 | STROBE | |
DATA 0 | 2 | 2 | DATA 0 | |
DATA 1 | 3 | 3 | DATA 1 | |
DATA 2 | 4 | 4 | DATA 2 | |
DATA 3 | 5 | 5 | DATA 3 | |
DATA 4 | 6 | 6 | DATA 4 | |
DATA 5 | 7 | 7 | DATA 5 | |
DATA 6 | 8 | 8 | DATA 6 | |
DATA 7 | 9 | 9 | DATA 7 | |
ACK/ | 10 | 10 | ACK/ | |
BUSY | 11 | 11 | BUSY | |
PAPER ERR. | 12 | 12 | PAPER ERR. | |
READY | 13 | 13 | READY | |
INIT | 14 | 14 | INIT | |
ERROR/ | 15 | 15 | ERROR/ | |
N/A | 16 | 16 | N/A | |
N/A | 17 | 17 | N/A | |
N/A | 18 | 18 | +5V | |
SIG. GND | 19 | 19 | SIG. GND | |
SIG. GND | 20 | 20 | SIG. GND | |
SIG. GND | 21 | 21 | SIG. GND | |
SIG. GND | 22 | |||
22 | SIG. GND | |||
SIG. GND | 23 | |||
23 | SIG. GND | |||
SIG. GND | 24 | |||
24 | SIG. GND | |||
SIG. GND | 25 | |||
25 |
| |||
|
|
|
Female DB-25 to Male Centronics
(Cable)
+5 volts at 300 mA for external device (e.g. KDU or scanner)
27 |