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How to Set Up the Driver and Software for the Brother™ MFC-7860DW Printer
Driver and software installation for the Brother™ MFC-7860DW Printer
For more assistance see:
https://www.brother-usa.com/support/mfc7860dw
https://help.brother-usa.com/app/answers/detail/a_id/60772/p/7323/kw/wireless%20install
https://help.brother-usa.com/app/answers/detail/a_id/60781/p/7323/kw/wireless%20install%20mac