I have a Brother MFC-420CN All-In-One printer and it is no longer under warranty. It just recently stopped working and displayed "Unable To Print". The error code is "Machine Error 4F", which after some research turns out to be that both the purge unit and printhead are broken. Is this an expensive fix, or should I just give up on the printer and just get a brand new one? It is no longer under warranty, so maybe more problems lie down the road. Need your advice, thanks.
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