EBBO Compatible Ink Cartridges Replacement for HP 934XL 935XL High Yield (Updated Chip) Compatible with HP Officejet Pro 6830 6230 6815 6835 6812 6820 6220 Printer (1 Black 1 Cyan 1 Magenta 1 Yellow)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> New chip version， 100% recognized by printer after HP firmware update. The best ink cartridge factory direct store， guarantee stable quality， produce under ISO9001， ISO10004 standard. </span></li><li><span class="a-list-item"> Each package contains: 4 cartridges (1 Black， 1 Cyan，1 Magenta，1 Yellow) </span></li><li><span class="a-list-item"> Printer compatibility: HP Officejet Pro 6830 Officejet Pro 6230 Officejet 6815 Officejet 6835 Officejet 6812 Officejet 6820 Officejet 6220 Printer </span></li><li><span class="a-list-item"> Less price， Good packing， no leak of ink， 1 year quality guarantee， 100% customer satisfaction， change /refund after 30-days </span></li><li><span class="a-list-item"> Page yield : Black is 1000 pages per cartridge. Color is 825 pages per cartridge， at 5% coverage </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51IdRA6cclL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51nfZ5%2B66xL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51SdOpQSuQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51E-gjn32yL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51G-P3cw6BL.jpg" noproxy>