LaserJet 300 pro M375 - Central of keys does not work

Hello

I have a HP LaserJet Pro 300 M375wn with a non-functional touchpad. When I try to press any central icons, nothing happens. If I press the side '? ', 'Cancel', 'return' or ' origin' icons that they work properly. Tried the combination arrow right with cancel, button on the printer but retains the same problem (and no successful reset). No clue on this problem?

Best regards

Problem has been resolved after firmware update. Then I calibrate option on the printer server Web-thank you

Tags: HP Printers

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