Editing CUPS (section)

=== Backends ===
The backends are the ways in which CUPS sends data to printers. There are several backends available for CUPS: [[parallel port|parallel]], [[serial port|serial]], and [[USB]] ports, cups-pdf<ref>{{cite web|url=https://packages.debian.org/wheezy/cups-pdf|title=Debian - Details of package cups-pdf in wheezy|url-status=live|archive-url=https://web.archive.org/web/20150501081102/https://packages.debian.org/wheezy/cups-pdf|archive-date=May 1, 2015}}</ref> PDF Virtual Printing, as well as network backends that operate via the [[Internet Printing Protocol|IPP]], [[JetDirect]] (AppSocket), [[Line Printer Daemon]] ("LPD"), and [[Server Message Block|SMB]] [[Protocol (computing)|protocol]]s.

A new <code>mdns</code> backend in CUPS 1.4 provides [[Bonjour (software)|Bonjour]] ([[DNS-SD]]) based printer discovery.<ref>{{cite web|url=http://www.cups.org/documentation.php/doc-1.4/whatsnew.html|title=What's New in CUPS 1.4|url-status=dead|archive-url=https://web.archive.org/web/20121102142550/http://cups.org/documentation.php/doc-1.4/whatsnew.html|archive-date=November 2, 2012}}</ref> In CUPS 1.6, Bonjour printer discovery and sharing using [[Avahi (software)|Avahi]] is also supported.<ref>{{cite web|url=http://www.cups.org/documentation.php/doc-1.6/whatsnew.html|title=What's New in CUPS 1.6|url-status=dead|archive-url=https://web.archive.org/web/20121004041235/http://cups.org/documentation.php/doc-1.6/whatsnew.html|archive-date=October 4, 2012}}</ref>