I just replaced the toner cartridge and the LCD continues to display the message "Toner Life End" or "Replace Toner".
If the LCD continues to display the message Toner Life End or Replace Toner after installing a new toner cartridge, please follow the steps below to solve the problem.
Verify that you didn't replace incorrect consumable by mistake.
The Brother machines have similar consumables as the toner cartridge and the drum unit. Verify you did not replace the drum unit, but the toner cartridge. If you want to know their difference, refer to "What is the difference between the toner cartridge and the drum unit?"
Verify you are using a NEW Brother toner cartridge.
When replacing the toner cartridge, you MUST install a brand new, unused genuine Brother toner cartridge in order to reset the toner status. Swapping toner cartridges from one machine to another or installing a partially used toner cartridge may cause this problem. Brother machines control their image quality for the most suitable print quality by monitoring toner consumption. If you install a partially used toner cartridge, your Brother machine is unable to recognize toner consumption correctly which will cause this problem. Therefore, when you replace the toner cartridge, please use a brand new toner cartridge, not a partially used toner cartridge from another machine.
Verify you are using a GENUINE Brother toner cartridge.
For optimum performance, use only new genuine Brother brand consumables which are specially formulated to ensure top print quality. Printing with non-Brother genuine toner cartridges may reduce not only the print quality but also the performance quality and life of the machine. If damage is caused to the drum unit or other parts of the machine as a result of using non Brother brand products, any repairs required as a result will not be covered by the Brother limited warranty.
Verify the toner cartridge is installed correctly.
Check if the error message Toner Life End or Replace Toner for the same color toner you just installed still remains. If you install a new genuine Brother toner cartridge but the Toner Life End or Replace Toner error indication remains, the toner cartridge may not be installed correctly. Reinstall the toner cartridge, following the instructions on how to replace the toner cartridge. Click here to see the details.
If the message changed and is now asking for a different color, replace that color toner cartridge.
Please confirm that you have installed both a toner cartridge and a drum unit in the machine.
Clean the corona wire.
This problem may have occurred because the corona wire has become dirty. Click here to see how to clean the corona wire.
If the problem continues, please contact Brother Customer Service from "Contact Us".
DCP-9010CN, DCP-9040CN, DCP-9042CDN, DCP-L3551CDW, HL-3040CN, HL-3070CW, HL-3150CDN, HL-3170CDW, HL-4040CN, HL-4050CDN, HL-4150CDN, HL-4570CDW, HL-L3270CDW, HL-L8350CDW, HL-L8360CDW, MFC-9120CN, MFC-9140CDN, MFC-9320CW, MFC-9330CDW, MFC-9440CN, MFC-9450CDN, MFC-9460CDN, MFC-9840CDW, MFC-9970CDW, MFC-L3750CDW, MFC-L8600CDW, MFC-L8690CDW
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