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- disable 9100 tcp port on HP LaserJet 400 color M451dn

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02-15-2021 11:40 AM
Product: HP LaserJet 400 color M451dn
Operating System: Microsoft Windows 10 (64-bit)
Hi, how I can disable 9100 port on this LJ printer? I don't find any refee in menu nor I can access by telnet to try any else configuration. I have update at last firmware.
thanks for any indication.
Paolo

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