GS r n
[Function] | Sends Status |
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[Code] | ASCII |
| GS | r | n | |
| Hexadecimal | 1D | 72 | n | ||
| Decimal |
| 29 | 114 | n | |
[Range] | 1 | n | 2, 49 | n | 50 |
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[Outline] | This command sends the status, depending on setting of n. | |||
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| Description |
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| 1, 49 | Sends the paper sensor status. (Same as ESC v) | |
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| 2, 50 | Sends the status of the drawer kick connector. (Same as ESC u 0) | |
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[Caution] | • | The following tables describe the status sent. | ||
| • | If DTR/DSR control is selected and the memory switch | ||
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| byte after confirming that the host is ready to receive (the DSR signal status is Space). | ||
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| If the host is not ready (the DSR signal status is Mark), the printer will wait until it will be ready | ||
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| to receive. If XON/XOFF control is selected or the memory switch | ||
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| will send 1 byte without confirming the DSR signal status. | ||
| • | Since this command is executed at deployment of the reception buffer, there may be a delay | ||
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| between command reception and status sending, depending on the reception buffer | ||
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| condition. |
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| • | If ASB is enabled by GS a, it is necessary to distinguish the status by this command from that | ||
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| of ASB. See “6. Interface” for how to distinguish them. | ||
| • | If n goes beyond the range, this command will be ignored. | ||
n = 1, 49 : Paper sensor status
Bit | Status | Hexadecimal | Decimal |
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0 | BOF sensor with paper | 00 | 0 |
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| BOF sensor without paper | 01 | 1 |
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1 | TOF sensor with paper | 00 | 0 |
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| TOF sensor without paper | 02 | 2 |
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2 | Undefined | – | – |
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3 | Undefined | – | – |
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4 | Unused | 00 | 0 |
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5 | Undefined | – | – |
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6 | Undefined | – | – |
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7 | Unused | 00 | 0 |
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– 74 –
