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HP Deskjet 3636 printer
Microsoft Windows 7 (64-bit)

Printed an info page which says the printer might not be connected to Instant Ink anymore and will be unable to print soon.  I put in wireless security key number but it keeps telling me it's a mismatch number but I'm putting the correct key number in. I haven't changed computer, printer, router etc so why is this happening?

Can anyone help please?

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