Provided is a replenisher developer cartridge for a trickle developing system image forming apparatus producing no image problem such as image density unevenness, image roughness or the like. The airless paint sprayer system comprises a paint reservoir, one or more airless spray heads for spraying paint onto the surface, and a pump for pumping paint from the reservoir to the spray heads. It is then determined whether the identity of the item as determined based on the barcode is consistent with its appearance as determined from the image. The read device also comprises a memory for storing a service identifier for identifying a service to be received from an external device according to indicia selected by the user and data stored in the memory and associated with the indicia.