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I am trying to carry out a firmware update to the Brother DCP-J925DW printer in order to make it an airprint printer. I have downloaded the correct file brmain480.exe from the Brother site but when I run this file there is a check to determine if I have the latest file - the file then asks for a proxy server entry - however I'm not using a proxy and the pc has a functioning internet connection so I cant get past this point. Suggestions welcome. Thanks.

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