Question about HP DeskJet 6840 InkJet Printer
Power light and orange arrow flash all the time and when I open the the tool box it says "Mechanism Error, print cartridge cradle cannnot move". I've inspected the unit completely and have found no paper or other jams. I've rebooted my computer and the printer. Please advise.
Try moving the cartridges with the power cord unplugged. Your problem sounds fatal.
Posted on Jan 16, 2009
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Posted on Jan 02, 2017
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