An image forming apparatus can include an image forming member that forms an image on a sheet, an ejecting transport member that can transport the sheet in first and second directions, and a switching unit. These first arbitration results identify a relative queue priority between the first and second request signals. The detection, control, and clamping modules are coupled with a first power line of a first power source and a second power line of the first power source. The automated quality control subsystem is used to test the composition and characteristics of the radiopharmaceutical to ensure that it is safe to inject. At least one of the container’s sidewalls is spaced apart from at least one of the housing’s sidewalls such that a portion of the housing’s cavity remains separating the at least one container sidewall from the at least one housing sidewall.