MFC-640CW
FAQs & Troubleshooting
Check the firmware version.
Follow the steps below to check the firmware version.
Press * and # simultaneously.
The firmware version is displayed on the upper left corner of the machine's display (LCD).
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 FAX-1840C, FAX-2480C, FAX-2820, FAX-2920, MFC-210C, MFC-215C, MFC-235C, MFC-240C, MFC-250C, MFC-260C, MFC-290C, MFC-3240C, MFC-3360C, MFC-410CN, MFC-425CN, MFC-5440CN, MFC-5460CN, MFC-5490CN, MFC-5840CN, MFC-5860CN, MFC-5890CN, MFC-620CN, MFC-640CW, MFC-6490CW, MFC-7220, MFC-7340, MFC-7420, MFC-7440N, MFC-7820N, MFC-7840W, MFC-795CW, MFC-8370DN, MFC-8460N, MFC-8860DN, MFC-8880DN, MFC-8890DW, MFC-9420CN, MFC-J6510DW, MFC-J6710DW
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Error Messages Paper Feed / Paper Jam Print Scan Copy Telephone Fax Mobile Others Advanced Functions (for Administrators) Linux Product Setup Driver / Software Network Settings Consumables / Paper / Accessories Cleaning Specification OS Support Information
Printer Scanner / Scan Key Tool PC-FAX / Fax-modem Security Enhancement Error Message on Machine's Display Error Message on Computer Error Message on Mobile Device Paper Jam Paper Feed Problem Cannot Print (via Network) Cannot Print (via USB / Parallel) Cannot Print (via Mobile Device) Print Quality Problem Direct Print Problem General Print Problem Print from Computer (Windows) Print from Computer (Macintosh) Print from Mobile Device Print Settings / Management Tips for Printing Cannot Scan (via Network) Cannot Scan (via USB / Parallel) Cannot Scan (via Mobile Device) Scan Quality Problem General Scan Problem Scan from Machine Scan from Mobile Device Scan from Computer (Windows) Scan from Computer (Macintosh) Scan Settings / Management Tips for Scanning Cannot Copy Copy Quality Problem Telephone Problem Telephone Operation Telephone Settings Advanced Networking Wired Network Setting Problem Wireless Network Setting Problem Wired Network Settings Wireless Network Settings Tips for Network Settings Cannot Send a Fax Cannot Receive a Fax Fax Quality Problem General Fax Problem Fax Sending Operation Fax Receiving Operation Fax Sending Operation from Computer (PC-Fax) Fax Settings / Management Android™ Device-related Problem Brother iPrint&Scan / Mobile Connect (Android™) Machine problem Machine Setup / Settings Installing Drivers / Software Updating Drivers / Software / Firmware Uninstalling Drivers / Software Driver / Software Settings Driver / Software tips Consumables Accessories Cleaning Product Specification Windows Support Macintosh Support
