A lid to selectively plug or unplug a discharge mouth of a developer container mounted to an image forming apparatus for replenishing a developer. The connection means are configured in such a way as to ensure the same potential in terms of dynamic response between the inductor and the buried layer. The term \u201ccomponent\u201d used herein is defined to be a specific version of pre-existing executable software, or a reusable pre-existing self-contained software code building block which is not a complete stand-alone finished product ready for use and which is binary or source code.