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hp HP DesignJet 500-800 Firmware Upgrade Tool
Firmware A.05.01 is going to be copied to connected on USB port USB002. Warning! Check that installed firmware version is A.02.06 or newer before proceeding further. Contact HP support if printer firmware version is lower than A.02.06. my plotter has the machine firmware A.05.01 and the formatter firmware A.04.02. What can I do to solve this problem?

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