| 摘要 |
An image forming device which is capable of preventing generation of toner filming and obtaining a stable image quality without defects over a long period and which is environmentally friendly. The image forming device, for forming an image with a spherical toner, includes image holding members, contact type charging member, exposing member, developing member, and transfer member. A toner shape change ratio (Tt) of deformed toner particles passed between the contacting portions of the image holding members and the charging member is in a range of 50 to 100 percent.
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