M-S Cash Drawer A794 - Manual (Page 121)

Chapter 6: Programming Information A794 Owner’s Guide
December 1999 116
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
On 00
01 0
1 Paper adequate.
Paper low (if paper low sensor
enabled).
1 Off
On 00
02 0
2 Paper adequate.
Paper low (if paper low sensor
enabled).
2 Off
On 00
04 0
4 Cover closed.
Cover open.
3 Off
On 00
08 0
8 Not busy at the RS-232C interface.
Printer is busy at the RS-232C interface.
4 Off
On 00
10 0
16 One or both cash drawers open.
Both cash drawers closed.
5 Off 00 0 Fixed to Off.
6 Off
On 00
40 0
64 No error condition.
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 A794 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.