You can fix Brother Dcp-L2540dw Printer Offline very easily. On your laptop or PC, you should first click the Start button. Additionally, select Devices and Printers. Next, right-click the icon for your Brother printer. Then select the option to See What's Printing. Moreover, select the Printer option found at the very top of the window. The Use Offline option will then have a checkbox in front of it. As soon as you remove the checkmark, your documents will once again begin printing.