| 摘要 |
PROBLEM TO BE SOLVED: To provide a developing sleeve which prevents a transcribing toner from sputtering and degrading, precludes developing ghost, and has a low environmental dependency in the developing characteristics. SOLUTION: A developing sleeve concerned is provided with a covering film prepared by dispersing powder of molybdenum disulfide, etc., in an acrylic resin whose content in the portion having a molecular weight of 500 or less is below 3.5wt.%, to which melamine resin, guanamine resin, or powder of these resins is added eventually. |
