MFC-7840W

FAQs & Troubleshooting

FAQs & Troubleshooting

Check the firmware version.

Follow the steps below to check the firmware version.

  1. Press * and # simultaneously.
  2. The firmware version is displayed on the upper left corner of the machine's display (LCD).
    The letter showing in the first or second location from the left represents the firmware version of the unit.

If your question was not answered, have you checked other FAQs?

Have you checked the manuals?

If you need further assistance, please contact Brother customer service:

Related Models

DCP-8070D, DCP-8085DN, FAX-1835C, FAX-1840C, FAX-1940CN, FAX-2440C, FAX-2920, FAX-2920R, MFC-210C, MFC-215C, MFC-235C, MFC-240C, MFC-250C, MFC-260C, MFC-290C, MFC-297C, MFC-3240C, MFC-3340CN, MFC-3360C, MFC-410CN, MFC-425CN, MFC-5440CN, MFC-5460CN, MFC-5490CN, MFC-5840CN, MFC-5860CN, MFC-5890CN, MFC-5895CW, MFC-620CN, MFC-640CW, MFC-6490CW, MFC-7225N, MFC-7320, MFC-7320R, MFC-7420, MFC-7420R, MFC-7440N, MFC-7440NR, MFC-7820N, MFC-7820NR, MFC-7840W, MFC-7840WR, MFC-795CW, MFC-820CW, MFC-8370DN, MFC-8380DN, MFC-8460N, MFC-8860DN, MFC-8870DW, MFC-8880DN, MFC-8890DW, MFC-9420CN, MFC-J6510DW, MFC-J6710DW

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