Appendix A - Troubleshooting

Parallel Interface The figure below displays the cable wiring Cable Wiring required to use the printer's Centronics parallel

interface.

HOST

DB-25

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)

980346-001 Rev. A

19

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Elo TouchSystems 282P101210000, 282P101510000, 282P101110000, 2824 user manual Female DB-25 to Male Centronics Cable