How to Replace a Wiper Pad on LulzBot 3D Printers Leave a Comment / Tutorials / By rohitsingh1532002@gmail.com Learn the process of how to replace the wiper pad on a LulzBot 3D printer This video will walk you through the process on a LulzBot Mini 2, but the steps you follow will be the same on a TAZ Workhorse or TAZ Pro. You can also purchase spare wiper pads on our website here.