Your Brother printer will go offline because of a nasty network connection or error while connecting the printer alongside your computer. To continue printing, you will need to repair your why is my Brother Printer offline issue, which needs a few of straightforward steps. Firstly, check the printer touch panel for any error message and resolve it before attending the offline problem. then , attend the control 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 the same steps, click See what's printing, click the Printer tab and choose Cancel all documents. If you still find any trouble, then consider contacting the printer experts.