| 摘要 |
PROBLEM TO BE SOLVED: To supply developer evenly from any of a plurality of developer storage parts with one driving source, switching the developer storage parts, without using specific one frequently.SOLUTION: A supply operation pattern execution history storage part 128 stores a supply operation pattern execution history, as needed, in drive control of a motor 102 by a driven target selection part 110 (See symbol B in Fig. 6). A supply start color determining part 130 receives supply stop period information from the supply operation pattern execution history storage part 128, identifies a color of developer supplied at the end of a job on the basis of the supply stop information, and determines a color (supply start color) at the start of the next job. In a supply operation pattern planning part 126, information on the supply start color is reflected in a supply operation pattern to be formed (See symbol C in Fig. 6). |
