Buy our compatible Samsung SCX-4520 toner cartridges and enjoy a reliable printing experience. Our compatible Samsung toner cartridges are economical and are designed following detailed product development protocols to ensure optimum print quality and proper page-yield. We inspect and test our toner cartridges for Samsung SCX-4520 printers to ensure they offer the performance of an original Samsung cartridge for less. All products include a full 1-Year warranty and 100% customer satisfaction guarantee. We also provide lifetime customer support, thus providing our customers with complete peace of mind.