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ESC v
[Name] Transmit paper sensor status.
[Format] ASCII ESC v
Hex 1B 76
Decimal 27 118
[Description] Transmits the current paper sensor status.
• When DTR/DSR control is selected, the printer transmits only 1 byte after
confirming that 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 checking the DSR signal.
• This command is executed when the data is processed in the receive buffer.
Therefore, there may be a time lag between receiving the command and
transmitting the status, depending on the receive buffer status.
• The status to be transmitted is shown in the table below.
• This command is available only with a serial interface, and is ignored with
a parallel interface.
Bit Off/On Hex Decimal Function
Off 00 0 Paper roll end sensor. Paper is present.
0,1
On 03 3 Paper roll end sensor. Paper is not present.
Off 00 0 Paper roll end sensor. Paper is present.
2,3
On 0C 12 Paper roll end sensor. Paper is not present.
4 Off 00 0 Not used.
5,6 - - - Undefined.
7 Off 00 0 Not used.
GS I n
[Name] Transmit printer ID.
[Format] ASCII GS I n
Hex 1D 49 n
Decimal 29 73 n
[Range] 1 ≤ n ≤ 3, 49 ≤ n ≤ 51
[Description] Transmits the printer ID specified by n as follows:
n Printer ID Specification ID (hexadecimal)
1, 49 Printer model ID SRP-250/SRP-250P 0DH
2, 50 Type ID See table below.
3, 51 ROM version ID ROM version