HP LaserJet 4250/4350 Maintenance Kit (110v) (Q5421A)<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"> Ensure your HP printer continues to provide you with optimum print quality with periodic replacement of supplies </span></li><li><span class="a-list-item"> HP maintenance kits help ensure your HP printer is always available， helping maximize your business efficiency， HP maintenance kits include user-replaceable parts that work with your HP printer to prompt you when they require maintenance </span></li><li><span class="a-list-item"> HP maintenance kits include supplies are built to last and backed by your HP warranty </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/417M0RTSiaL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51MM-Hz%2BuoL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/514quHs5DsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/611IKP%2B-VuL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51KXcWFFDQL.jpg" noproxy>