Complete Guide: Downloading and Installing Canon i-SENSYS LBP211 & LBP212 Drivers
Maintaining productivity requires a structured approach to driver management. Official Canon support resources provide the most secure and up-to-date versions of these drivers. i-SENSYS LBP212dw - Support - Download drivers ... - Canon
Cause: The old Canon driver is not signed for the new macOS version.
Fix: Remove the printer from System Settings → Printers. Re-add it using AirPrint (which works with LBP212). For advanced features, download the latest macOS driver from Canon (released within last 12 months).