to use cups just start the cups deamon. then point your browser to localhost:631 . there you can add your printers to cups. most printers need special drivers, that need to be installed:
* net-print/hpijs Homepage: http://hpinkjet.sourceforge.net/ Description: The HP Inkjet server for Ghostscript. Provides best output for HP Inkjet Printers and some LaserJets License: BSD * net-print/hpoj Homepage: http://hpoj.sourceforge.net/ Description: HP OfficeJet Linux driver License: GPL-2 * net-print/pup Homepage: http://pup.sourceforge.net/ Description: Printer Utility Program, setup & maintenance for certain Lexmark & HP printers License: GPL-2
but the most important parts are:
* net-print/foomatic Homepage: http://www.linuxprinting.org/foomatic.html Description: The Foomatic printing meta package License: GPL-2 * net-print/foomatic-db Homepage: http://www.linuxprinting.org/foomatic Description: Foomatic printer database License: GPL-2 * net-print/foomatic-db-engine Homepage: http://www.linuxprinting.org/foomatic Description: Foomatic printer database engine License: GPL-2 * net-print/foomatic-filters Homepage: http://www.linuxprinting.org/foomatic Description: Foomatic wrapper scripts License: GPL-2
With these installed all printers should be usable.