Epson TM U295 Operation Guide - Page 65

ESC v, DLE EOT

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• 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 Hex Decimal Function Off 0 On 00 0 01 1 Level of pin 3 is Low. Level of pin 3 is High. Off 1 On 00 0 02 2 Undefined. Undefined. Off 2 On 00 0 04 4 Undefined. Undefined. Off 3 On 00 0 08 8 Undefined. Undefined. 4 Off 00 0 Not used. Fixed to Off. Off 5 On 00 0 20 32 Undefined. Undefined. Off 6 On 00 0 40 64 Undefined. Undefined. 7 Off 00 0 Not defined. Fixed to Off. [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. Commands 5-25

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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.