Drum cleaning blade is also called cleaning knife, big scraper. Linear contact with the photosensitive drum to clean the toner that has not been fully transferred on the surface of the photosensitive drum. It consists of a metal base frame and a polyurethane sheet.

The drum cleaning blade is one of the accessories of the toner cartridge. The composition of the cleaning blade is very similar to that of the powder extraction knife, but a slightly harder polyurethane rubber is used. Of course, its function is not the same as that of the powder extraction knife. The state of the rubber material of the cleaning blade and the The knife edge is very important. After long-term use, the rubber will melt and deform, and the knife edge will often have gaps. Such a cleaning blade can no longer be used, and local bottom gray or vertical light black lines will appear on the printed product. The drum cleaning blade manufacturer tells you that the copy of the copier must be fixed at a high temperature of about 180 degrees under a certain pressure. During this process, a small amount of toner will adhere to the fixing roller. Cleaning is done by the cleaning blade of the fixing roller. The drum cleaning blade manufacturer tells you that the quality of the blade of the fixing roller is mainly the material, which must withstand high temperature.
The above is the introduction of the maintenance knowledge of drum cleaning blade, I hope it will help you.