Bug#1013437: cups: Nothing prints from driverless IPP queues unless added via lpadmin
On Thu 30 Jun 2022 at 01:03:27 +0100, Gareth Evans wrote:
> Does that mean cups-filters is not the appropriate package to file
> against? If so, do you have any suggestions as to which might be?
It indicates the everywhere and driverless models are behaving as
expected. Let's continue this line of inquiry:
1. Set up queues
lpadmin -p testq-ippeve -v ipp://192.168.0.14/ipp/print -E -m everywhere
lpadmin -p testq-drvless -v ipp://192.168.0.14/ipp/print -E -m driverless:ipp://192.168.0.14/ipp/print
2. As root, do
cupsfilter -p /etc/cups/ppd/testq-ippeve.ppd -m printer/foo -e /etc/nsswitch.conf > ippeve.urf
cupsfilter -p /etc/cups/ppd/testq-drvless.ppd -m printer/foo -e /etc/nsswitch.conf > drvless.urf
3. Open ippeve.urf and drvless.urf with less and check for UNIRAST at
the top left corner. Give the file sizes. View the files with
rasterview.
4. Check the printer has an open port 9100.
5. Send both files directly to the printer with
netcat 192.168.0.14 9100 < ippeve.urf
netcat 192.168.0.14 9100 < drvless.urf
Cheers,
Brian.
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