Datamax-O'Neil DPL Programmer’s Manual - Manual (Page 127)

Label Formatting Command Functions
119
p Set Backfeed Speed
This command, typically used in conjunction with the Cut or Peel and Present operations,
controls the rate at which the labels will reverse to align to the next start of print
position. The setting remains in effect until another backfeed speed command is
received or until the printer is reset.
Syntax: pa
Where:
a
- Is a single alpha character representing a speed; see
Appendix L for valid ranges.
Sample:
L
pF
The sample above sets the printer to a backup speed of 3.5 IPS.
Q Set Quantity of Labels to Print
This command sets the number of the label copies to be printed. A one to five digit value
is allowed, if the command is delimited by a carriage return . This permits host
applications to generate label quantity commands without the need to pad leading zeros.
(A four-digit command value does not need to be terminated.)
Syntax: Qnnnnn
Where:
nnnnn
- Is a one to five-digit delimited value setting for the
number of labels to be printed. The default value is
one.
Sample:
L
121100000000000Testing
Q0020
E
The sample above will print a batch of 20 identical labels.

Specifying 9999 as the four-digit quantity results in continuous printing.