Installation instructions are NOT included with this part! This offering is for a duplex tray assembly that was originally shipped with the following Brother printers: DCPL2500D, DCP-L2500D, HLL2360DW, HL-L2360DW This item is NEW and a TRUE Brother part! Dont see your model number listed above? Send us a message as we are happy to help! Installation Instructions Are NOT Included With This Part!