MFC-7420
FAQs & Troubleshooting
How can I clear the "Scanner Locked" error message?
The scanner needs to be reset. Turn off the device and then turn it on again.
Please note that when you turn off the MFC's power switch its memory will be cleared. To check whether the MFC has faxes in its memory, click here.
If there are faxes you need to save, we have the following suggestions:
After saving the data, turn off the MFC's power switch and then turn it on again. If the error message continues, leave the MFC for several minutes and try it again.
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 MFC-7360N, MFC-7365DN, MFC-7420, MFC-7460DN
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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 Status Monitor Error Message on Computer Error Message on Mobile Device Paper Jam Paper Feed Problem Paper Loading / Handling Cannot Print (via Network) Cannot Print (via USB / Parallel) Cannot Print (via Mobile Device) Print Quality 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 Tips for Fax Android™ Device-related Problem Brother iPrint&Scan / Mobile Connect (Android™) Machine problem Machine Setup / Settings Paper Handling Installing Drivers / Software Updating Drivers / Software / Firmware Uninstalling Drivers / Software Driver / Software Settings Driver / Software tips Consumables Paper Accessories Cleaning Product Specification Paper Specification Windows Support Macintosh Support
