Hi, thank you for contacting JustAnswer.com. My name is Russell. I will do my best to provide the right answer to your question.
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Please tell me about the problems with the two Brother printers... they do not have to be the same problem. (To avoid confusion, I suggest telling me about one printer first - the MFC9440CN perhaps.)
After dealing with that one's problems, we can discuss and hopefully solve the problems with the second Brother printer.