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HP OfficeJet Pro 7740 Wide Format All-in-One Printer

As described elsewhere, it seems this is a problem with this particular printer, that you cannot print A3 colour. The moment you change the paper to A3, no matter what app or computer or driver set, it will only print in B&W. Any resolution to this?

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HP Recommended

You need to go to hp.com and install the latest HP drivers. 




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