All cartridges are tested one by one before delivery to ensure complete working condition perfect compatibility and excellent print quality. ???????????? ?????????? ?????? ?????????? ?????????? ???????????? ????????????????. Compatible Printers:DCP-7060D Printer DCP-7065DN PrinterIntelliFax-2840 Printer IntelliFax-2940 Printer HL-2220 Printer HL-2230 Printer HL-2240 Printer HL-2240D Printer HL-2270DW Printer HL-2275DW Printer HL-2280DW Printer MFC-7240 Printer MFC-7360N Printer MFC-7365DN Printer MFC-7460DN Printer MFC-7860DW Printer Consistent Printing: Higher quality toner cartridge provides clear and smooth printouts. Stable print quality keeps you away from lines, spots and leakage. Package:Shockproof packaging to avoid shipping damage. Every Toner Cartridge is under strict quality control, carefully inspected and packaged to ensure that it is in the best condition. Warm Tips : Avoid environments where temperature and humidity change rapidly, such as next to air conditioners or heaters. Store in a normal temperature and humidity environment. We always care about your needs, and we strive to provide you with high-quality and cost-effective products