You might want to reset an ink cartridge because either the cartridge has expired and is no longer recognized by the printer, or the ink was refilled and the new ink level isn’t being detected or reported accurately. Every printer has its own reset method and the Hewlett Packard Officejet 6500 is no exception. However, one universal reset method works with all HP printers. You can reset your HP 6500 ink by using a cartridge cycling technique.

How to Reset HP6500 Ink - 95