| 摘要 |
A cleaner-less image forming apparatus includes an LED which is arranged with a closest distance of 10 to 5000 mum to a photosensitive member and exposes the photosensitive member. In the image forming apparatus, an absolute value of an average charge of a developer is between 50 muC/g and 90 muC/g, and a contact angle of the photosensitive member with respect to pure water is not less than 90° and not more than 150°.
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