Epson Workforce WP 4520， 4530， 4533， 4540， 4590 Ink Maintenance Box， Waste Ink Box， Maintenance Tank， Waste Ink Cartridge， Waste Ink Tank. See listing below for many other model printers that these cartridges work in.<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"> New Epson Workforce WP &amp; WF Ink Maintenance Box， Waste Ink Box， Maintenance Tank. Fits these printer models. Epson WorkForce Pro WP 4010， 4020， 4023， 4090 Epson Workforce Pro WP 4520， 4530， 4533， 4540， 4590 Epson Workforce Pro WF 4630， 4640 Epson Workforce Pro WF 5110， 5190， R5190 Epson Workforce Pro WF 5620， 5690， R5690 </span></li><li><span class="a-list-item"> User replaceable maintenance box. </span></li><li><span class="a-list-item"> Printer alerts user when maintenance box needs to be changed. </span></li><li><span class="a-list-item"> Easy to install </span></li><li><span class="a-list-item"> Manufactured by Epson </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41I1j46LELL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31brsoNrYkL.jpg" noproxy>