Genuine Brother TN-3280 high capacity toner cartridge. For the Brother HL5340D, HL-5340D, HL5350DN, HL-5350DN, HL5350DNLT, HL-5350DNLT, HL5370DW, HL-5370DW, HL5380DN & HL-5380DN among others Up to 8,000 prints @ 5%