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MBreitl
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HP Recommended

Printer firmware downgrade

HP Color LaserJet Pro MFP M477
macOS 10.14 Mojave

Hi,

a recent firmware upgrade screwed up my HP Color LaserJet Pro MFP M477fdw.

The print outcome is unpredictable, fonts, colors, lines are changing arbitrarily.

Even the built-in test page does not print correctly, its quality is also changing.

Where can I download older firmware versions to downgrade and undo this unsuccessful upgrade?

Maybe from HP's FTP server (ftp://ftp.hp.com/), but which subdirectory?

Thanks,

 

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