?Product Information Product Name : BABU 950 XL compatible ink cartridge product Include : 1 x 950XL Black, 1 x 951XL Cyan, 1 x 951XL Magenta, 1 x 951XL Yellow Page Yield : 2300 pages BLACK & 1500 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 We offer great print quality and reliable performance for fast, professional printing quality ?Please confirm your Printer Model before placing an order. ?Printer Compatibility Officejet PRO 8600 8610 8620 8630 8640 8660 Officejet PRO 8615 8625 8100 Officejet pro 251dw 276dw ?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. 5.When install the new cartridges into printer,the computer would promote "Non-Original", please click "Yes" ,then the printer can go on to print. ? You're welcome to contact seller firstly if any problems happen. We will respond to your question within 24 hours.?