Brother TN-346BK Toner Cartridge, Black, Laser Technology, Yield 4000 pages sheets, Compatible Printers Brother Brother HL-L8250CDN, HL-L8350CDW, MFC-L8600CDW, MFC-L8850CDW. This Brother TN-346 Toner Cartridge is a great option for printing sharp, crisp and professional looking documents. It has a high page yield so you won't have to replace the cartridge as frequently, resulting in fewer interruptions.