To resolve the HP printer offline problem on a Mac, first ensure that the printer is turned on and connected to the same Wi-Fi network as your Mac. Open System Preferences, then go to Printers & Scanners and select your HP printer. Right-click on the printer and choose Reset Printing System, then add the printer again by clicking the "+" sign. If the issue persists, try restarting bot... https://medium.com/@nikitakumari07277/how-do-i-get-my-hp-printer-back-online-hp-printer-offline-2411cf374a06