If the LED of a Brother printer is not lit, the printer must be turned on. Also, check your power and plug. This solution is not applicable if the printer cannot be powered on. This hardware problem can be fixed. If error messages are displayed, check the LCD. You might see "Paper Jam" and "Ink/Toner Full". Troubleshoot any LCD issues to resolve the problem. If your Brother printer is not working and you are unable to print, you should call the Brother printer support team. They can provide immediate solutions to any Brother printer-related issues like Brother wireless printer keeps going offline
