With Newest V7 Version Chips: Chips just updated to V7 version in Feb 2017. Works for printers in market so far. Firmware compatible with: 1640BR (Latest firmware) & LZP1CN1548AR & LWP1CN1502BR and other old versions. Very important Remind: Once cartridges have been recognized by printer, we suggest Pls do not update firmware or printer program online, to avoid possible Updating by HP in future.
Why Supricolor? 1> Advanced IMPROVED formula matching with brand ink well, preventing clogging & corrosion to printhead. 2> Sharp & Vivid Printing, High Page Yield. 3> Huge Saving your costs up to 75% of OEM.
Package Includes:1x 970XL Black + 1x 971XL Cyan + 1x 971XL Magenta + 1x 971XL Yellow Ink Cartridges
Compatible with: HP X476dw X576dw X476dn X451dn X451dw X551dw Printer.
Worry-Free Warranty:2 Years Warranty. You could be worry free of Supricolor Replacement cartridges:)

Technical Details

Product Details

Package Dimensions
Width : 5.6 inch
Height : 3 inch
Length : 8.9 inch

Shipping Weight: 2.1 pounds (View shipping rates and policies)

ASIN : B01LXKFXLT