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User Manual and Technical Guide The O'Neil microFlash Series of Printers Appendix B: Query • 103
ESC{ST?}
Status
Query Format: ESC{ST?}
Reply Format: {ST!E:x;L:x;P:x;R:x;B:x;H:x}
Function: Shows whether next print request is doable, or
returns info about errors from the last request.
Reply Example: {ST!E:N;L:D;P:P;R:62;B:O,H:O}
Reply Explanation:
ST! This is a reply to a STATUS query.
E:N; There are no errors.
L:D; The paper release lever is down, ready to print.
P:P; Paper is present.
R:62; 62K bytes remain in the input buffer.
B:O; Acceptable battery voltage and temperature.
H:O; Print head temperature is in acceptable range.
*
Rows marked with asterisk apply to Easy Print and Line Printer Mode. Rows
without an asterisk apply only to Easy Print.
Query Reply Definition
E
N
N
= no error
*
E
c
c
= command error (invalid command)
E
d
d
= data error (e.g. letter in numeric-only bar code)
E
f
f
= font not available
E
g
g
= global parameter error
E
o
o
= overrun of buffer
*
E
p
p
= field parameter error
E
q
q
= qmark not found
*
E
r
r
= row/column error
E
s
s
= syntax error
L
U,D
L
ever =
U
p or
D
own
P
P,N
P
aper =
P
resent or
N
ot present
R
nn
R
AM buffer size remaining, in K bytes.
B
O,T,
V
B
attery condition -
O
= OK;
T
= out of
Temperature
range;
V
= out of Voltage range
.
H
O,T
P
rinthead
T
emperature -
O
= OK,
T
= out of range.