Aoou PGI-1200XL Compatible Ink Cartridges Printer Compatibility: Canon Maxify MB2720 Printer Canon Maxify MB2320 Printer Canon Maxify MB2120 Printer Canon Maxify MB2020 Printer Canon Maxify MB2050 Printer Canon Maxify MB2350 Printer Storage Method: Aoou ink Each independent package, Convenient for customers to deposit. Please keep it stay in 15-30 Centigrade environment. Guarantee Quality: Produce under ISO9001, ISO10004 standard, 2 years limited warranty, If there are any questions just contact us. TIPS: ? BEFORE PLACE ORDER, PLEASE CONFIRM YOUR PRINTER MODEL ? The Printer or Computer would appear "NON-ORIGINAL", please click "OK". ? If appear "REPLACE CARTRIDGES", please wipe the chip with the rubber eraser, or re-install it several times. Please feel free to contact us if there are any problems happen