Product includes the following compatible cartridges 4-Pack-EHY, Black Samsung_MLTD203_Laser Deliver vivid, crisp text and graphics. All Compatible replacement cartridges are quality tested to ensure long-lasting use and bold, vivid print on every page. Compatible with Printer Models Samsung SL-M3820DW,Samsung SL-M3870FW,Samsung SL-M4020ND,Samsung SL-M4070FR Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.