Mag Roller

Mag Roller - takes over the toner from hopper, and gives it the right charge of static electricity, thanks to this adheres to inversely charged by the laser points on the OPC Drum. Between hopper and Mag Roller is placed the Doctor Blade (very often finished with Chargelink).
Functioning
Mag Roller cooperates with Doctor Blade, which sizes comply with Mag Roller width. They help together triboelectrically charge the toner so that it properly develops the image on the OPC Drum. The drum rotates and attracts a coating of toner, which is deposited on the paper.
Designed for laser printers.