It is N-600 SERIES Toner Hopper Connection Gear.
Usually, if the toner can not be rotated during use, the problem is solved by replacing the motor assy.
However, replacing this product can improve the toner rotation problem.
This is a way to solve the problem at a cost that is less than the cost of replacing the existing motor assy.
In addition, it is a product made by raising the durability of existing gear.
Post time: Jan-30-2019