A semiconductor package is made using a prefabricated post carrier including a base plate and plurality of conductive posts. The test cell comprises two memories, a flip-flop and a latch, for storing test data. The movable plate is placed in the holding position by a cam when the nozzle is coupled to the cap, and is released and moved to the retreating position while the toner container is being loaded or unloaded. The cover is covered on the spacer to form a cavity. The antistatic composition comprises a predetermined alkali metal salt or alkaline earth metal salt, and resin.