Interface Specifications
Your printer is equipped with a parallel interface.
Specifications and pin assignments
The
Data format: | ||||
Synchronization: |
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STROBE | pulse | |||
Handshake timing: |
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BUSY and | ACKNLG | signal | ||
Signal level: | TTL compatible level | |||
connector: | ||||
| equivalent |
Connector pin assignments and a description of their respective interface signals are shown in the following table.
Signal | Signal | Signal | Direction |
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Pin | Pin |
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| 19 |
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| IN |
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1 | STROBE |
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| STROBE pulse to read data. Pulse width | |||
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2 | 20 | DATA 1 | IN |
| These signals represent information of the | ||
3 | 21 | DATA 2 | IN |
| 1st to 8th bits of parallel data, respectively. | ||
4 | 22 | DATA 3 | IN |
| Each signal is at HIGH level when data is | ||
5 | 23 | DATA 4 | IN |
| logical 1 and LOW when it is logical 0. | ||
6 | 24 | DATA 5 | IN |
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7 | 25 | DATA 6 | IN |
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8 | 26 | DATA 7 | IN |
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9 | 27 | DATA 8 | IN |
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10 | 10 |
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| OUT |
| About an | |
ACKNLG |
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| indicates that data has been received and | |
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| that the printer is ready to accept more | |
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| data. | |
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