The following data will be deleted when you update the firmware:
- Journal report data
- For MFC-9440CN/ 9450CDN/ 9840CDW only:
Network configuration may be deleted when updating the Firmware
(Before updating the firmware, we recommend that you print the Printer settings page. After the firmware has been updated, please reconfigure the network settings. If you have problem printing documents with your machine, please turn the machine OFF and then back ON, and try to print again.)
- For MFC-9120CN/ 9320CN/ 9440CN/ 9450CDN/ 9460CDN/ 9465CDN/ 9560CDW/ 9840CDW only:
- Secured print data stored in the memory

Please do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.

Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.