Compatible Canon CL 541 inkjet cartridges with original chip reset - Inkjet Cartridges are High quality professionally remanufactured. reset new chips,so can show ink level . - Each cartridge has approximately 2 years warranty - Every cartridge is cleaned, filled, inspected and tested. - ISO 9000 & 14000 Certified Manufacturer. - All products would be 100% fully tested before ship out. Ink cartridge Quality control 100% Raw material inspection 100% cleaning & drying 100% volume filling ink 100% air-pressure test 100% temperature test 100% printing test Our 100% Satisfaction Guarantee Your satisfaction is guaranteed! If, for any reason, you are not satisfied with your purchase, you may return it within 30 days for a replacement, or, if you prefer, a full refund. Manufacturer defective are fully guaranteed for 1 year from date of purchase.