
94 Chapter 4: Programming CommandsRevision D 12/09
Real time printer status transmission
ASCII | GS ENQ |
Hexadecimal | 1D 05 |
Decimal | 29 5 |
Transmits one byte status of the printer in real time.
Value of byte:
Bit Status Hex Decimal Function
0 | Off | 00 | 0 | Paper adequate. |
| On | 01 | 1 | Paper low (if paper low sensor enabled). |
1 | Off | 00 | 0 | Paper adequate. |
| On | 02 | 2 | Paper low (if paper low sensor enabled). |
2 | Off | 00 | 0 | Cover closed. |
| On | 04 | 4 | Cover open. |
3 | Off | 00 | 0 | Not busy at the |
| On | 08 | 8 | Printer is busy at the |
4 | Off | 00 | 0 | One or both cash drawers open. |
| On | 10 | 16 | Both cash drawers closed. |
5 | Off | 00 | 0 | Fixed to off. |
6 | Off | 00 | 0 | No error condition. |
| On | 40 | 64 | Error condition exists in the printer. |
7 | On | 80 | 128 | Fixed to on. |
Exceptions
Unlike the A793, that had a dedicated connector and resultant dedicated status reporting for each cash drawer, the A799 has a single connector that shares data reporting from either cash drawer. When either cash drawer is open, an open status is reported by the printer.
Real time commands disabled
ASCII | US z n | |
Hexadecimal | 1F 7A n | |
Decimal | 31 122 n | |
Value of n: | 0 | = enable |
| 1 | = disable |
This command is used to disable real time commands. They are disabled prior to sending graphic or other data to the printer that may contain embedded real time commands.
The command is a batch command and processed in the order received.