This is a high yield MTI © MICR Toner Cartridge for Samsung SCX-6220, 6320, 6320F, 6322, 6520 printers. It is custom built to replace Samsung SCX-6320R2 toner cartridges. The MTI © SCX-6320R2 MICR Cartridge allows you to print professional checks from your home or office. MTI © MICR Cartridges deliver high-quality MICR output and excellent toner yield, at an exceptionally low cost per page. Every cartridge is factory-tested and ISO approved, and guaranteed to perform with Samsung Printers. We offer an exclusive 30-day customer satisfaction guarantee and 1-year warranty. Our dedicated customer care staff is available 9 a.m. to 7 p.m, Monday through Saturday, to answer any questions and provide technical support.