If you have not set your Brother printer as the default printing device, you may get the printer offline error on your PC. For Brother Printer offline fix, you can simply set your Brother printer as the default printer from the control panel. This will surely help you to fix the concern. If there is any job in the printing queue, clear it first and then start printing. However, if your problem is not resolved yet, then you can fix the printer offline error on your Windows PC by unchecking the “Brother Printer offline" status. We hope that these steps will help you to fix the Brother printer offline issue on your computer. But, it's not, immediately get professional help.