It can replace your damaged parts, with long service life and more favorable priceNumber of pages printed:5000 pages Compatible with black toner(5 percentage coverage on A4 paper),Buy two more favorableQuality:Simple and hassle-free with no fuss or mess. Our cartridges and printers are Made Compatible with Each Other Compatible with easy loading, printing and results - alwaysFeatures:Developed to give premium, high impact on every page. We strive to offer the world’s leading toner quality Compatible with all our printers – not just high-end equipmentPrompt:This toner cartridge has a chip, please rest assured, if you have other questions, please contact us in time, we will help you solve it within 24 hoursinstallation method:1.Remove the toner cartridge out of the drum unit2.Shake it gently from side Compatible with 5-6 times3.Sliding the green tab from left to right several times and return the tab to the start position.Install the cartridge into drum unit4.Install the new cartridgeAfter sale:If you have any questions, please feel free to contact us, our professional service team is ready to answer your questions within 24 hoursBeProduct descriptionToner Cartridge Model:Compatible with Samsung MLT-D203LApplicable printer:Compatible with Samsung M3820 PrinterCompatible with Samsung M3320 PrinterCompatible with Samsung M3370FD PrinterCompatible with Samsung M3870 PrinterCompatible with Samsung M4020 PrinterCompatible with Samsung M4070 PrinterColor:Black