For OS X 10.9 and newer: HP Printer Drivers v5.1 for OS X.HP's site takes me to 'HP LaserJet - Older HP printers with macOS drivers' which lists 'NOTE: Before installing the driver, use the information below to make sure the printer is compatible and that you are using an install connection that the printer supports. I have searched high and low w/o success. I have a HP Color LaserJet CP 2025 Printer, SN CNGS415998, Product Number: CB495A that stopped working when I installed Mac OS 11.