Epson TM U295 - B/W Dot-matrix Printer Operator's Manual page 65

• 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.
Bit Off/On
Off
0
On
Off
1
On
Off
2
On
Off
3
On
4 Off
Off
5
On
Off
6
On
7 Off
[Reference] DLE EOT, GS a
ESC v
[Name] Transmit paper sensor status
[Format] ASCII
Hex
Decimal
[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.
Hex Decimal
00 0
01 1
00 0
02 2
00 0
04 4
00 0
08 8
00 0
00 0
20 32
00 0
40 64
00 0
ESC V
1B 76
27 118
Function
Level of pin 3 is Low.
Level of pin 3 is High.
Undefined.
Undefined.
Undefined.
Undefined.
Undefined.
Undefined.
Not used. Fixed to Off.
Undefined.
Undefined.
Undefined.
Undefined.
Not defined. Fixed to Off.
Commands 5-25