Harding Printer: Steps:
Finder > Applications > Manager > (click on Class Manager dropdown and select Self-Service) or if you have Self-Service Available click on it
My Scripts > Clean-Up Managed Printers > Execute Now
Apple Menu (top left ) System Settings > Printers > make sure all the printers get deleted. If they haven't deleted after 5-10 minutes, restart your device
After the printers are deleted, re-add:
Manager > Self-Service > Printers > click on the printers you want installed