One or more toner cartridges are not installed correctly.
Pull out the drum unit. Take out all the toner cartridges, and then put them back into the drum unit.
Click here to see details of replace toner.
HL-3140CW, HL-3170CDW, HL-3180CDW, HL-4150CDN, HL-4570CDW, HL-4570CDWT, HL-L8250CDN, HL-L8350CDW, HL-L8350CDWT, HL-L9200CDWT, HL-L9300CDW(T), MFC-9130CW, MFC-9330CDW, MFC-9340CDW, MFC-9460CDN, MFC-9560CDW, MFC-9970CDW, MFC-L8600CDW, MFC-L8850CDW, MFC-L9550CDW
If you need further assistance, please contact Brother customer service:
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