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5-6 Commands
[Reference] DLE ENQ, ESC u, ESC v, GS a, GS r
DLE ENQ
n
[Name] Real-time request to printer
[Format] ASCII DLE ENQ
n
Hex 10 05
n
Decimal 16 5
n
[Range] 1
≤
n
≤
2
[Description] The printer responds to a request from the host specified by
n
. The
operations performed depend on the value of
n
, as follows:
n
= 1: Restarts printing from the beginning of the line where an
error occurred, after recovering from the error.
n
= 2: Recovers from an error after clearing the receive and
print buffers.
[Notes] • The command is effective only when an auto-cutter error occurs.
• The printer executes this command upon receiving it.
• This command is also executed when the receive buffer is full.
• The status is transmitted whenever the data sequence of 10H(16)
05H(5)
n
(1
≤
n
≤
2) is received.
Example:
In ESC
✻
m nL nH
[
d
]
K
,
d1
=10H(16) ,
d2
=05H(5) ,
d3
=01H(1)
• This command should not be used within the data sequence of
another command that consists of two or more bytes.
Example:
If you attempt to transmit ESC 3
n
to the printer, but DTR (DSR
for the host computer) goes to MARK before
n
is transmitted,
and DLE ENQ 2 interrupts before
n
is received, the code
10H(16) for DLE ENQ 2 is processed as the code for ESC 3
10H(16).
3On 0C12
Paper near-end is detected by the paper roll near-
end sensor.
4 On 10 16 Not used. Fixed to On.
5 Off 00 0 Paper roll end sensor. Paper present.
6 On 60 96 Paper end is detected by the paper roll end sensor.
7 Off 00 0 Not used. Fixed to Off.
Bit Off/On Hex Decimal Function