I have a HP designjet 500 plus 42" .Last 2 days I have been getting the message to replace my print cartridge within 2 days . I have updated the firmware to the latest from HP website. Any suggestions
HP DesignJet 500, replace print cartridge in xx days
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Replace the printhead it is asking for. It is not a fault, the machine knows how old the heads are. They are not expensive, so if you can , replace them all. After replacing, be sure to run the printhead alingment.The greatest enemy of knowledge isn't ignorance, it is the illusion of knowledge. Stephen Hawking
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