Interface Specifications
Your printer is equipped with a parallel interface.Pin assignments for the parallel interfaceConnector pin assignments and a description of their respective interface signals are shown in the following table.
| Signal | Return | Signal | Direction |
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Pin | Pin |
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1 | 19 |
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| IN |
| pulse to read data. |
STROBE | STROBE | ||||||
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| Pulse width must be more than | |
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| 0.5 microseconds at the | |
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| receiving terminal. | |
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2 | 20 | DATA 1 | IN | These signals represent | |||
3 | 21 | DATA 2 | IN | information of the 1st to 8th bits | |||
4 | 22 | DATA 3 | IN | of parallel data, respectively. | |||
5 | 23 | DATA 4 | IN | Each signal is at HIGH level | |||
6 | 24 | DATA 5 | IN | when data is logical 1 and LOW | |||
7 | 25 | DATA 6 | IN | when it is logical 0. | |||
8 | 26 | DATA 7 | IN |
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9 | 27 | DATA 8 | IN |
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10 | 28 |
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| OUT | About an 11 | ||
ACKNLG | |||||||
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| LOW indicates that data has | |
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| been received and that the | |
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| printer is ready to accept more | |
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| data. | |
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11 | 29 | BUSY | OUT | A HIGH signal indicates that the | |||
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| printer cannot receive data. The | |
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| signal goes HIGH in the following | |
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| cases: | |
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| 1) During data entry | |
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| (ea. char. time) | |
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| 2) During printing | |
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| 3) When off line | |
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| 4) During | |
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12 | 30 | PE | OUT | A HIGH signal indicates that the | |||
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| printer is out of paper. | |
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Technical Specifications