GNU/Linux Debian Bullseye Canon MP540/MP550/MP560 Printer Setup – QuickStart Guide
Hello Linux user! The linked Tutorial shows you Step-by-Step How to Install Canon PIXMA MP540/MP550/MP560 Printer in Debian Bullseye 11.x GNU/Linux Desktop.
And the Canon PIXMA MP540/MP550/MP560 Printer Setup on Debian Bullseye is granted by the GutenPrint Software because the Proprietary Driver is not available.

GNU/Linux Debian Canon MP540/MP550/MP560 Printer Installation Guide