I still receive the error message "Drum End Soon", "Replace (Parts) Drum (Unit)" or "Drum Stop" after I replace the drum unit with a new one. | Brother
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Brother MFC-8520DN Toner resetten | Timos Blog
Brother MFC-8520DN Toner Cartridges
Amazon.com: Toner Eagle Re-Manufactured Drum Unit Compatible with Brother MFC-8510 MFC-8510DN MFC-8520DN DR-720 (DR720) : Office Products