CognitiveTPG A799 User Manual
Page 94
Chapter 4: Programming Commands
94
Revision D 12/09
A799-PG00001D
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 RS-232C interface.
On
08
8
Printer is busy at the RS-232C interface.
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.