How to Resolve HP Envy 7640 Printer Offline Error

If your HP Printer is showing an offline Error, it may be due to the poor connection of the printer to the computer. Other causes may occur when there are problems with cartridge or wireless network. HP Envy 7640 Offline Error is the most common Error which can occur during the setup. You can get a solution of HP Printer Offline by just dialing the number of the technical support team.