Compatible Black HP Toner Cartridge C4191A (9，000 Page Yield) for HP Color LaserJet 4550dn， HP Color LaserJet 4550hdn， HP Color LaserJet 4550n<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="" 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"> one year guarantee </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/21DNPUJ2XcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41VuZx%2B51bL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41DTSOZTU1L.jpg" noproxy>