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04-30-2012 01:40 PM
I have an HP Officejet 5510 all-in-one. Yesterday it stopped printing and flashed "Print Cartridge error" on the display.
I have installed a new #56 black cartridge. That did not help.
I have removed both the #56 and #57 cartridges and gently cleaned the contacts on both the cartridges and the carriage with a little distilled water and a cotton ball, then thoroughly dried both. That did not help.
I have unplugged the machine, waited 1 min, then depressed both #3 and the # button as I plugged it back in. That did not help.
I have unplugged the machine, waited 1 min, then depressed the power button as I plugged it back in. That did not help.
At one point during all of this, the machine did complete a print job. I could hear the print carriage moving back and forth, however nothing printed on the page. It came out blank.
I would be very appreciative if anyone has any suggestions to get the machine working again.