Version: 1.2.0
CUPS.org User: joshmathis
It appears that the USB backend is not fetching the data from the printer until the printer driver (filter) has exited (in most cases).
As a test, I modified…
Version: 1.1.19
CUPS.org User: kpfleming.cox
I have here a Samsung ML-1650 printer that does not provide a DES(CRIPTION) IEEE-1284 attribute in its device information. That may or not be kosher, but …