It is one of the most common HP printer problems, and it shows HP printer offline again and again. YOu can try these steps to resolve this issue.
Click on the "Start," button then click the "Devices and Printers" named folder.
Right-click the icon for your HP printer
Click the "Printer" menu in the window that opens and uncheck "Use Printer Offline." Any items in the print queue for your HP printer will print.
If you are unable to solve this issue, you call customer support for assistance.