My printer doesn't work with Big Sur update. Is there any way to go back to previous OS?
Is there any way to remove Big Sur update--printer no longer works
iMac 27″, macOS 11.2
It’s not possible to uninstall the update.
“printer no longer works” ....
A Safe Mode boot deletes system caches that can help with problems after a MacOS upgrade.
Follow the instructions to boot in Safe Mode > Use safe mode to isolate issues with your Mac - Apple Support
Then restart your Mac and try your printer.