An edge cleaning device, a system for cleaning an outside edge of a movable, coated web, and a method of cleaning the outside edge of the movable, coated web include a unique combination of desirable features. Content of the first storage unit is sent to a new storage unit that serves as the replacement of the first storage unit. The memory cell contains a charge storage layer and a first poly gate. A first surface of the engagement platform faces away from the main body and is a planar surface with a seal member positioned about the bore.