
7156 Functional Specification 189-9102894 new RS232 industry standard commands
02 RFC 17319 02 DR 45426
February 5, 1997 Axiohm IPB company confidential page 7 of 12
When Auto Status Back (ASB) is enabled using GS a n, the status transmitted by other
commands and the ASB status must be differentiated using the information titled
“recognizing data from the printer” in this appendix, section 9.8.22 Real Time Commands.
The status bytes to be transmitted are as follows:
First byte, printer information:
Bit Off/On Hex Decimal Status for ASB
0 Off 00 0 Not used. Fixed to off.
1 Off 00 0 Not used. Fixed to off.
2 Off 00 0 One or both cash drawers open.
On 04 4 Both cash drawers closed.
3 Off 00 0 Not Busy at the RS232 interface.
On 08 8 Printer is Busy at the RS232 interface.
4 On 10 16 Not used. Fixed to on.
5 Off 00 0 Receipt and cassette cover both closed.
On 20 32 Receipt or cassette cover open.
6 Off 00 0 Paper feed button is not pressed.
On 40 64 Paper feed button is pressed.
7 Off 00 0 Not used. Fixed to off.
Second byte, error information:
Bit Off/On Hex Decimal Status for ASB
0 - - - Undefined
1 - - - Undefined
2 Off 00 0 No mechanical error.
On 04 4 Mechanical error occurred.
3 Off 00 0 No knife error.
On 08 8 Knife error occurred.
4 Off 00 0 Not used. Fixed to off.
5 Off 00 0 No unrecoverable error.
On 20 32 Unrecoverable error occurred.
6 Off 00 0 No recoverable error.
On 40 64 Recoverable error occurred.
Recoverable errors are:
receipt cover open prevents receipt print
cassette cover open prevents slip print
receipt paper exhaust prevents receipt print
thermal printhead temperature out of range
power supply voltage temperature out of range
7 Off 00 0 Not used. Fixed to off.
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