A:AnswerThere is no toner; this is an ink printer. You can buy ink cartridges from Best Buy online for home delivery. It is a 70 mile trip to a Best Buy store for me, so I use online shopping. Read the manual for instructions. You can download the manual from the Brothers web site for free.
A:AnswerI'd suggest researching at the Brother website for the MFC-J985DW:
http://www.brother-usa.com/support/modelinfo.aspx?R3ModelID=mfcj985dw
If you don't find what you need there, they have Live Chat and Contact Customer Service options.