Operator`s manual

Commands 5-25
When Auto Status Back (ASB) is enabled using GS a, the status
transmitted by ESC u and the ASB status must be differentiated.
•If
n
is out of the specified range, the printer ignores this command.
The status to be transmitted is shown in the table below.
[Reference] DLE EOT, GS a
ESC v
[Name] Transmit paper sensor status
[Format] ASCII ESC V
Hex 1B 76
Decimal 27 118
[Description] Transmits the current paper sensor status upon receiving this
command.
[Notes] 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.
Bit Off/On Hex Decimal Function
0
Off 00 0 Level of pin 3 is Low.
On 01 1 Level of pin 3 is High.
1
Off 00 0 Undefined.
On 02 2 Undefined.
2
Off 00 0 Undefined.
On 04 4 Undefined.
3
Off 00 0 Undefined.
On 08 8 Undefined.
4 Off 00 0 Not used. Fixed to Off.
5
Off 00 0 Undefined.
On 20 32 Undefined.
6
Off 00 0 Undefined.
On 40 64 Undefined.
7 Off 00 0 Not defined. Fixed to Off.