I had an issue similar with the Brother printer originally and then the duel tray on the brother. You have settings you have to put on your computer and setting on the printer. Brother walked me through the whole set up. You have to also make sure your drivers are up to date for the printer. Example if you are now on Windows 10 and lets say you were on Vista before, you have to do a whole bunch of internal downloads for the printer to catch it up. Brother also took control and did that for me. What kind of Printer? What kind of operating system, has it changed? How old is your printer?
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