Genuine Xerox Black Print Cartridge for the Phaser 3100MFP， 106R01378<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"> For use in Xerox Phaser 4500 printer </span></li><li><span class="a-list-item"> Easy to replace </span></li><li><span class="a-list-item"> Keeps equipment operating efficiently </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31miwoyn7XL.jpg" noproxy>