How do you print double sides with Brother DCP-J315W?

To print double-sided (duplex) with the Brother DCP-J315W, first ensure you have the correct driver installed and your document ready. In the print dialog, select "Print on Both Sides" or "Duplex Printing" option, depending on your operating system. If your printer doesn't automatically print on both sides, you may need to print the odd pages first, then reinsert the paper to print the even pages. Always refer to the user manual for specific instructions related to your model.