Question about HP LaserJet 4240n Card Printer
Download and reinstall the firmware. That is what the printer is asking for.
First download the firmware here: Firmware. The link is the standard firmware download for 42xx up to 4350, USA version. It covers the 4240n.
For installation follow thoroughly the instructions on this page.
Posted on Mar 22, 2011
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Posted on Jan 02, 2017
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