Toner Cartridge for Brother MFC-8640D Laser PrinterThis toner cartridge prints pages with average 5% coverage (Nearly all Printer manufacturers base their ink/toner cartridge yields on 5% page coverage).
Toner Cartridge for Brother MFC-8640D Laser PrinterThis toner cartridge prints pages with average 5% coverage (Nearly all Printer manufacturers base their ink/toner cartridge yields on 5% page coverage).