| Pin | Name | Description |
|---|---|---|
| 1 | NC | |
| 2 | /BUSY | Enabled when the printer is busy |
| 3 | GND | |
| 4 | DATA | RS-232 level data |
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| Pin | Name | Description |
|---|---|---|
| 1 | NC | |
| 2 | /BUSY | Enabled when the printer is busy |
| 3 | GND | |
| 4 | DATA | RS-232 level data |