Our discount compatible Lexmark Optra-T612 toner cartridges will print with the same consistency and reliability as your original Lexmark printer cartridge. Designed to be an affordable substitute for genuine name-brand cartridges, our discount ink cartridges offer tremendous value without sacrificing quality. To ensure premium output on every page, we test all of our toner cartridges for Lexmark Optra-T612 printers for performance and print quality. We offer a comprehensive 1-Year warranty and 100% satisfaction guarantee on all products. In the unlikely event that you experience any product defect, we will replace the cartridge or provide you a refund.