Comment 2 for bug 936155

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Till Kamppeter (till-kamppeter) wrote :

Can you please run the following commands and post their output here:

sudo /usr/lib/cups/backend/usb
sudo modprobe usblp
ls -l /dev/usb/lp*
sudo usb_printerid /dev/usb/lp0
sudo usb_printerid /dev/usb/lp1
sudo rmmod usblp

Can you also try the CUPS packages (cups + cups-filters, a backport from Precise) from my PPA:

https://launchpad.net/~till-kamppeter/+archive/ppa

Does this alternative CUPS version detect your printer?