Translations:Printing/122/en
From Gentoo Wiki
If the OpenPrinting site informs the pnm2ppa driver is the best option, then the net-print/pnm2ppa filter will need to be installed on the system:
If the OpenPrinting site informs the pnm2ppa driver is the best option, then the net-print/pnm2ppa filter will need to be installed on the system: