We offers the best alternative to the OEM (genuine) Lexmark 20K1402 high yield yellow laser toner cartridge for your C510 series printer. This cartridge also replaces Lexmark part number 20K0502. These cartridges are basically the same cartridges with different yields. The 20K1402 has an average cartridge yield of 6,600 pages. Remanufactured with up to 60% new parts, our 20K1402 cartridges are refurbished to perfection for crisp, clear prints, every time. Laser toner you can rely on at a price you can afford.