Anonymous posted an answer for this Brother MFC 420CN All-In-One InkJet Printer:
"I have a Brother MFC 440 and my yellow ink cartridge is empty, why will it not allow me to..."
Anonymous posted an answer for this Brother MFC 420CN All-In-One InkJet Printer:
"thank you all. Black tape???????? Who would have thought it would be so simple. ..."