Epson A794-D100 - Manual (Page 110)

Chapter 6: Programming Information A794 Owner’s Guide
March 1999 104
Real Time Status Transmission
Transmits the selected one byte printer status specified by n in Real Time according to
the following parameters. This command includes two sequences: GS and DLE.
GS Sequence DLE Sequence
ASCII GS EOT n DLE EOT n
Hexadecimal 1D 04 n 10 04 n
Decimal 29 4 n 16 4 n
Value of n GS Sequence
1 = Transmit printer status
2 = Transmit RS-232C busy status
3 = Transmit error status
4 = Transmit receipt paper status
DLE Sequence
1 = Transmit printer status
2 = Transmit RS-232C busy status
3 = Transmit error status
4 = Transmit receipt paper status
Exceptions
The command is ignored if n is out of range.
Related Information
1 = Transmit Printer Status
Bit Status Hex Decimal Function
0 Off 00 0 Fixed to Off.
1 On 02 2 Fixed to On.
2 Off
On 00
04 0
4 One or both cash drawers open.
Both cash drawers closed.
3 Off
On 00
08 0
8 Not busy at the RS-232C interface.
Printer is Busy at the RS-232C
interface.
4 On 10 16 Fixed to On.
5 Undefined.
6 Undefined.
7 Off 00 0 Fixed to Off.