IKONG 950XL 951XL New Updated Compatible for HP 950 951 Ink Cartridge,One Set Works with HP OfficeJet Pro 8600 8610 8620

HP Upgrade Firmware Support: Click IKONG below the price,then enter Ask a question on the Top right to the next page to contact us,with any damaged cartridge emails replied in less than 24 hours 7/7.
ATTN: Any errors likedamaged cartridges,an updated firmware will fix the self-induced problem.Please download the latest firmware on HP