How do I maintain my paper cutter to make it last longer?
Protect the blade, clean impurities from the blade in a timely manner, and reduce the frequency of use on hard materials.
Is there any way to make the blade sharp?
The blade can be properly sharpened using a file.
How will this cut cardboard?
A layer of cardboard is easy to cut down, the cardboard is too thick or cut several layers of cardboard at a time, it will become difficult, so that the edge is easy to become blunt.
Is there anything you need to know about using this paper cutter for the first time?
The base plate of the paper cutter may have some protective grease that you can clean off with a clean rag.