GNU/Linux Debian Bullseye Canon MP540/MP550/MP560 Printer Setup – Step by step Guide
How to Install Canon PIXMA MP540/MP550/MP560 Printer on Debian Bullseye 11.x GNU/Linux desktop – Step by step Tutorial.
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