Specifications

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134
TM-U590 series
Specification
(STANDARD)
GS r n
[Name] Transmit status
[Format] ASCII GS r n
Hex 1D 72 n
Decimal 29 114 n
[Range] 1 ≤ n ≤ 3, 49 ≤ n ≤ 51
[Description] Transmits the status specified by n as follows:
n Function
1, 49 Transmits paper sensor status
2, 50 Transmits drawer kick-out connector status
3, 51 Transmits slip status
[Notes] • When using a serial interface
When DTR/DSR control is selected, the printer transmits only 1 byte after
confirming the host is ready to receive data (DSR signal is SPACE). If the host
computer is not ready to receive data (DSR signal is MARK), the printer waits until
the host is ready.
When XON/XOFF control is selected, the printer transmits only 1 byte without
confirming the condition of the DSR signal.
• This command is executed when the data in the receive buffer is developed.
Therefore, there may be a time lag between receiving this command and
transmitting the status, depending on the receive buffer status.
• When Auto Status Back (ASB) is enabled using GS a, the status transmitted by GS
r and the ASB status must be differentiated using the table in Appendix C.
• The status types to be transmitted are shown below:
Paper sensor status (n = 1, 49):
Bit Off/On Hex Decimal Status for ASB
0 - - - Undefined.
1 - - - Undefined.
2 - - - Undefined.
3 - - - Undefined.
4 Off 00 0 Not used. Fixed to Off.
5 Off 00 0 TOF sensor: paper present.
On 20 32 TOF sensor: paper not present.
6 Off 00 0 BOF sensor: paper present.
On 40 64 BOF sensor: paper not present.
7 Off 00 0 Not used. Fixed to Off.