Hi!! I have a Brother DCP 8155 DN photocopier, the problem I have is when I want to make a copy, it only takes my MP tray, if I flip the T1 tray, there is just the paper from the T1 tray, if not just ask for paper from the MP tray and I have already changed the paper sensor and still doing the same ..

This problem is corrected in the configuration, first set the paper size correctly, you must choose the tray you want to use as the main one and disable the automatic tray change option.