To uninstall the printer driver from your system, do the following:
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Click Start on the Windows task bar.
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Select Settings, and click Printers.
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Select your HP DesignJet printer from the list, and click once to highlight it.
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Click File, then Delete.
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Click Yes to begin deleting the files.
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When asked if you would like to delete files that are used only for this printer, click Yes.