If your HP printer has any problems with the hardware, such as a paper jam or a carriage jam, incorrectly installed cartridges, or even low ink, it could appear that print jobs are getting stuck in the print queue or that the printer is offline. Following are some examples of hardware-related problems:
If you notice any of these issues, HP recommends searching for a document that is more specific to the hardware issue. For example, if you see blinking lights on your printer, or there is an error message on the computer, search HP's Web site for the specific error message or blinking lights.
Otherwise, continue with the solutions in this document.