Installation instructions are NOT included with this part! This Document Feed ADF Roller Separation Holder is compatible with the following Printer Model Numbers: MFC8535DN, MFC-8535DN, MFCL5900DW, MFC-L5900DW This Roller is located in the Auto Document Feed area at the top of the printer. Don't see your model number? send a message so we can assist you in obtaining the correct part!