Hii my name is Luna Fallon i am from the technical team if you are facing a problem then you can visit our site. If your Brother printer is "offline", try these solutions: 1. Check the power and USB cables and make sure they are securely connected. 2. Restart your printer and computer. 3. Make sure the printer is set as the default printer. 4. Update the printer drivers. 5. Check the printer's network connection. 6. Reset the printer network settings. 7. Disable any firewalls temporarily. 8. Reinstall the printer. These steps should help you resolve the "offline" issue with your Brother printer. If the problem persists, refer to the Brother manual or contact Brother support for further assistance.