Printer sharing is not problematic, as long as you disable it after you're done sharing it with
Time to fix
How to disable Printer Sharing
- Open System Preferences, go to General, then click Sharing.
- In the list, uncheck Printer Sharing.
How to disable on Monterey and older
- Open System Preferences, click Sharing.
- Click the lock icon in the bottom-left, then enter the account password.
- In the list on the left, uncheck Printer Sharing.