The LOGO printed by laser marking machine is not printed, but ablated at high temperature.

If you want to remove this mark, it depends on what kind of material you type. If it is made of metal, it is usually scrubbed with corrosive chemicals (sulfuric acid, nitric acid, etc.). ), but it's dangerous. Be careful when operating. If the ablation is deep, just polish it directly. Other materials are difficult to remove marks and can only be polished.

2. The imprint printed by laser printer is mainly toner. Generally, acetone or banana oil is used to remove it, but these two potions are also corrosive, so be careful. If you use paper, you'd better stick it off slowly with transparent glue, once and for all.