https://www.dell.com/support/home/en-us/drivers/DriversDetails?driverId=1V94W
Dell S5840cdn Printer Drivers for MAC | Driver Details | Dell US
This software package helps you setup the printer for PC running on the following MAC Operating systems: MAC OS X v10.11,MAC OS X v10.10,MAC OS X v10.9,MAC OS...
printer driversfor macdelldetailsus