I've bought a HP Laserjet Pro M12 (M11-M13 series). I'm trying to setup the wireless part. No firmware has been released for Sierra yet. I have installed the drivers 10.11 instead. When I click open HTML config, I get sent to http://localhost:5050/SSI/index.htm, it seems to be a webhost provided by the printer via USB.

The first page I visit renders fine, but when I click any link the page breaks and it says safari can't connect to the server "localhost".

Is there some way to get this working? I've tried other browsers.

  • Can you check (with lsof) which process is using port 5050? – nohillside Mar 24 '17 at 9:45

I just solved this by replacing localhost:5050 with in the domain name, ie

Not sure why it worked but it did :P

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