Справочник Пользователя для M-S Cash Drawer A794

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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.