Package Contents: 2*950XL BK, 1*951XL Cyan,1*951XL Magenta,1*951XL Yellow, large ink volum for more printing pages. Victor 950xl 951xl inkjet cartridges are designed for better printings at lower cost per page. 1) Easy to insert and perfectly recognized like original 950xl 951xl ink cartridge, work as good as genuine ones. 2) Aamazing printing results and affordable prices, ideal for daily use.Our target is help users to cut down the printing cost. 3) Documents & text & graphic & photos printing with professional-quality black and vivid color. 4) Large ink volum, no need to change the ink cartridge so frequently. 5) Good customer service. 100% Money Back Guarantee or Replacement. Installation instruction: Attention : Do not touch the cartridge chip, if you touch the chip accidentally, wipe it with an eraser Step A: Turn off the printer Step B: take out the old cartridge, shake the new cartridge upside down for 5 seconds Step C: Remove the orange cap carefully,pull the orange seal Step D: Install the cartridges into correct slot and turn on the printer TIPS: 1.For better printing result we advise run print head cleaning process before use. That will make huge difference. 2.After installing the new cartridge, a message "Not Genuine" may pop up, please click "Yes" and then continue to print. 3.If error message says "Cartridge cannot be recognized" or "Cartridge is damaged", please try to reinstall it.