4 x Toner For Brother HL-L6400DWT Black Cartridge TN3430 & 1 x Drum Compatible
Page Yield 8,000 Toner & 50,000 Drum based on 5% coverage. Laser Toner Supplies. To Fit Brother printers. For Brother HL-L6400DWT. These toner/ink & drum units will not invalidate your printer warranty.