as an aide-memoire, if I quote post #4
Canon LBB5100 Capt Driver x86_64 - openSUSE Forums
oldcraft nicely laid out how to install the source files that Canon now make available for each new printer they release;
those folks who use 32bit are fine: the Canon rpm files from their website work well;
64 bit Suse needs either a symbolic link
ln -s /usr/lib/cups/filter/pstocanonij /usr/lib64/cups/filter
or for the thorough, install the source files