LxTek Compatible Toner Cartridge Replacement for Brother TN450 TN420 TN 450 TN 420 (2 Black) for Brother HL-2270DW MFC-7360N MFC-7860DW MFC-7460DN MFC-7460DN DCP-7065DN IntelliFax 2840 2940 High Yield Package Contents: 2 Pack (2 Black) compatible TN450 TN-450 TN420 TN-420 toner cartridges Compatible Printers: Brother LaserJet DCP-7060D, DCP-7065D, HL-2130, HL-2132, HL-2220, HL-2230, HL-2240, HL-2240D, HL-2242D, HL-2250DN, HL-2270DW, HL-2280DW,HL-2275DW,IntelliFax-2840, IntelliFAX-2940, MFC-7240, MFC-7360N, MFC-7365DN, MFC-7460DN, MFC-7860DW Printer Page Yield: 2,600 pages per toner cartridge at 5% coverage (Letter/A4), if you print about 50 pages of regular printing documents per week, cartridges can be used for about 13 months. : 1-year limited / Shelf life: 18-24 months. Any questions, please feel free to contact us for technical support, replacement or refund. LxTek compatible toner cartridges replacements for TN450 have been awarded ISO9001 certification, and we have independent laboratories periodically verify product quality to ensure a smooth user experience.