Do not assume your printer is broken. The issue lies in the communication layer between Windows and the driver, not the hardware itself.
Could not install the printer driver. Try to inst... - Canon Community could not install canon mf port monitor
The Canon installer requires SYSTEM-level access to write the port monitor DLLs to C:\Windows\System32\spool\drivers\x64\3 . Standard user privileges will fail. Do not assume your printer is broken
This is the solution that works 90% of the time. Even if you are the only user on your PC, Windows does not automatically grant full installation rights. could not install canon mf port monitor
: The service responsible for managing printer ports may be stuck or malfunctioning . Detailed Resolution Steps 1. Clean Previous Installation Remnants
This bypasses the port monitor installer entirely.