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I’ve just bought an HP LaserJet Enterprise MFP M528dn. It works perfectly, but I’m trying to add it to my HP account and register it in my product dashboard at
https://support.hp.com/nl-nl/dashboard.

When I enter the serial number, it says the number is invalid. I’ve copied the serial number from the printer’s web interface and also tried entering it manually using the serial number from the sticker inside the printer, but both give the same result.

Does anyone know why HP isn’t recognizing the serial number? I’d like to add the printer to my HP account in case I need to open a service request in the future. The printer was bought from the HP Store itself.

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