| 摘要 |
PROBLEM TO BE SOLVED: To solve the problems accompanying the reduction of the grain sizes of toner for the purpose of enhancing image quality which leads to a decrease of the heat capacity of the toner and the easy tendency of the toner to be affected by heat and gives rise to the fusion bonding, fastening, granulating, packing, etc., of the toner and the resultant impairment of the image quality. SOLUTION: The walls of the developing device, cleaning device, etc., in the image forming device, which walls come into contact with the toner particles, are formed as double structures and these walls are cooled. |
