Resetting the printing system on a Mac can resolve problems such as print jobs stuck in the queue, connection issues, and incomplete driver setups. This process deletes all printers from your list of printers, deletes information about all completed print jobs, and deletes all printer presets. All printers and scanners must be set up again after completing the reset. To reset the printing system, you need to control-click the printer in the Printers list on the right, then choose Reset Printing System from the shortcut menu. You will be prompted to confirm that you want to reset your entire printing system. References: Reset the printing system on your Mac to solve a problem, HP printers - Reset the printing system (macOS)