?Product Information Product Name : PGI-280XXL compatible ink cartridge product Include : 1 x pgi-280 Black, 1 x cli-281 Black, 1 x cli-281 Cyan, 1 x cli-281 Magenta, 1 x cli-281 Yellow Page Yield : 600 pages(280 BK) & 6350 (281BK) and 830 pages per color cartridge @ 5% coverage ( A4 paper ) ?Characteristic New Design to prevent corrosion and printhead clogging, ensuring the best output quality and protect the printhead, which could extend their service time. newest version Chip help recognize ink cartridges and Show accurate Ink Level. ISO-9001 and ISO-140001 Certificate Approved factory . made High-Quality Ink Cartridge, Print with excellent color and crisp text ?Please confirm your Printer Model before placing an order. ?Printer Compatibility Canon PIXMA TR7520, PIXMA TR7500, PIXMA TR8520, PIXMA TR8500 CANON PIXMA TS6120, PIXMA TS6100, PIXMA TS6220, PIXMA TS6200, CANON PIXMA TS8120, PIXMA TS8100, PIXMA TS8220, PIXMA TS8200, CANON PIXMA TS9120, PIXMA TS9100, PIXMA TS9520, PIXMA TS9521C, PIXMA TS702, PIXMA TS6320, PIXMA TS8320 ?Warm Tips 1. You can keep the printer power-on if you often use it, as printers will run the printhead cleaning automatically when reset, which will waste ink. 2. You can turn off the printer power if the printer isn’t used frequently, Just need to switch on the power weekly, which will protect the printhead from clogging 3.If it shows "not recognized".please Remove the ink cartridge, install again. 4.To improve the printing quality, it’s better to clean the printhead before printing with a new cartridge. ? You're welcome to contact seller firstly if any problems happen. We will respond to your question within 24 hours.?