Datamax-O'Neil PrintPAD AN-12 (Line Printer and Easy Print Modes) - Manual (Page 2)

The form of the Automatic Job Status string and the Status Query response string is:
{ST!E:N;S:I;L:D;P:P;J:N;R:40;B:O}
Where:
E is syntax/language error (more appropriate for the ESC{ST?} query response than the automatic Job Status
Reporting)
o N - none
S is status which shows the current or transitional state of the printer and can take the following values
o The following values are returned for the Job Status as well as the ESC{ST?} status query
 I – Idle
 P – Printing
o The following values are returned only when the automatic Job Status reporting is active
 T - Timeout
 K – Key pressed to cancel job during printing
 C – Complete (automatic Job Status Reporting print job finished normally)
 E – Error in completing print job – typically this means that the QMARK was found before the
current image had completed printing (paper was not aligned before printing began)
 nofm – for Quantity Easy Print or emulation print jobs. Indicates that the nth image of a total
of m images has printed. For example, when the 1
st
image of 10 has printed, this field will be
1of10. When the 2
nd
job has printed, this field will be 2of10 etc.
L is Lever Position (Thermal Printer Only)
o D – Down (note that the LP3 does not have a lever sensor and will always report Down
o U - Up
P is Paper
o P – Paper is present
o N – No paper (paper out)
R is remaining buffer size in bytes
B is battery status
o O – OK
o T – out of temperature range or no battery (not on 4t)
o V – out of voltage range