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ESC
Q
Deselect Printer
ESC
Q
n
This command is intended for diagnostic applications to query the
identity
of
the attached
printer.
If
n
=
21, the printer will
enter
a deselected
state.
The printer
will
ignore
all data sent
to
it until a DG1
(Select
Printer)
command
is received. The SLGT
signal
in the parallel interface is elec-
trically conditioned to an inactive state indicating that
the
printer
has received the parameter value of 21 before the BUSY signal.
All
other parameter values are
ignored.
LPRINT CHR$(27)
;
CHR$(81)
;CHR$(21);
ESC R
Reset
All
Tabs
-..
This command
sets horizontal tabs every 8
columns,
beginning
with column 9,
and
clears
all
vertical tabs.
LPRINT CHR$(27) ;CHR$(82);
,----
Reference
4-39
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