There’s a video in store resources for everything. The reason I say that is because it may sound weird. With me explaining. Basically if you have the actual paper thing to clean it you just close it in and drag it through the printer and get the grime off. If you don’t have it, taking an alcohol wipe you would wipe where the blade is. There’s a small kind of flat surface that gets the stickiness built up for aggressive sticker pulling. Wipe it really good with the wipe and you should be good. It should feel smooth. If there’s buildup it feels rough