Your Brother printer will go offline thanks to a nasty network connection or error while connecting the printer together with your computer. To continue printing, you'll need to fix your Why is my Brother Printer offline issue, which needs a couple of simple steps. Firstly, check the printer touch panel for any error message and resolve it before attending the offline problem. then, attend the instrument panel on your computer, now choose the Hardware and Sound option. Further, open the devices list, right-click on your Brother printer and choose Set as Default Printer. Using an equivalent steps, click See what's printing, click the Printer tab and choose Cancel all documents. If you continue to find any trouble, then consider contacting the printer experts.