Wireless printer - splitting frequency?

[Brooke+Hurdley]

I bought a HP wireless printer yesterday, WiFi is all connected but when sending docs to print from our phones the printer isn't acknowledging them and not printing .

Ive been onto HP and they said it's because my phone and the printer are running off different frequencies. One 2.4ghz and one 5ghz. She said to ring sky and ask them to split them and put them on the same. 

sky has said I've got to upgrade my router, so have now had to pay for WiFi max and a new router will be coming Tuesday. 

Does anyone know how to make sure the printer and phones are on the same frequency and also what frequency they should be on? I'm very confused by this! 

thanks! 

[TimmyBGood]

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@Brooke+Hurdley wrote:

sky has said I've got to upgrade my router, so have now had to pay for WiFi max and a new router will be coming Tuesday. 

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Unfortunately that was entirely incorrect: it's the older Hubs on which band splitting and renaming is possible.  The Max Hub doesn't allow it.