MFC-9420CN
FAQs & Troubleshooting
Lines appears across the page.
Please check the following points:
Clean the registration roller, the paper pick-up roller, the transfer roller guide and the exit roller. To see how to clean the inside of the machine,
click here .
Identify the missing color and replace that toner cartridge.
To see how to replace the toner cartridge,
click here .
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:
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Error Messages Paper Feed / Paper Jam Print Scan Copy Telephone Fax Mobile Others Linux Product Setup Driver / Software Network Settings Consumables / Paper / Accessories Cleaning Specification OS Support Information
Printer Scanner / Scan Key Tool PC-FAX / Fax-modem 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 General Print Problem 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 Wired 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 Settings / Management Tips for Fax Android™ Device-related Problem Brother iPrint&Scan / Mobile Connect (Android™) Machine problem Machine Setup / Settings Paper Handling Accessory Installation 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
