Disclosed herein are methods and systems that may help a radio access network to more intelligently determine an initial transmit power to use for forward-link communications with a mobile station. Accordingly, the residual toner on the photosensitive belt is first removed by the photosensitive belt cleaning roller, is discharged from the photosensitive belt cleaning roller onto the intermediate transferring belt, and is then finally removed from the intermediate transferring belt by the intermediate transferring belt cleaning unit. The rigid body also includes substantially solid side surfaces and at least partially defines a panel. The above operations are repeated. Before the head ejects the ink onto the recording sheet, the moving unit is moved, and the head is moved to a position opposing a platen and an upper heater, which is a position to where heat radiated from the heating unit is transferred. An outer diameter of each shaft at the butt end is gradually reduced as a club count becomes larger, and a rate of tapering between the butt end and a position of 200 mm from the butt end is gradually reduced as the club count becomes larger.