System for and method of toner flow control

摘要

The present invention is directed to a sealing mechanism for use in a toner cartridge. The sealing mechanism includes a developer roller and a toner plow. The developer roller has an outer cylindrical surface. The toner plow includes a concave contact region configured to mate with the outer cylindrical surface of the developer roller and a toner plow face placed at an acute angle with respect to a longitudinal axis of the developer roller.