Paxar 9402 Reference Manual page 162

The following syntax is the response for a Job 4 request.
Syntax
printed
total
"FMT-1/BCH-2"
Example
8 out of 25 tags or labels have been printed from format number 3.
Use a Job Request 4 when printing in the on-demand mode with a
large number of tags or labels from a single batch. A Job
Request 4 may not be accurate if tags or labels are printed in
continuous mode, because of the response time involved. A Job
Request 4 is not useful in single ticket batches (printing 1 of 1) or
multiple single ticket batches.
7-12 Status Polling
{J,printed,total,"FMT-1","BCH-2"}
the number of tags or labels already printed
in the batch.
the total number of tags or labels to be
printed in the current batch.
The format or batch number is returned.
{J,8,25,"FMT-3","Bch-2"}
A batch has to be printing when you send the
job request. You cannot use this job
request on batches printing formats with
incrementing fields.