The MX OSSOSSX25 is a compatible for the Canon X25 toner. It has the highest quality printing results and offers exceptional yields. MX is the best toner on the planet at the lowest cost guaranteed. The MX brand OSSOSSX25 toner cartridge does not void your printers warranty and is built to meet or exceed OEM (Original Equipment Manufacturer) standards. Our Client Satisfaction Guarantee sets a new industry standard for its comprehensive protection. We offer the WORLDS MOST COMPREHENSIVE Lifetime GUARANTEE On Compatible Ink Toner Products and Printer Protection. Something nobody else does. Make the right choice, and ensure you use the worlds best toner.