| 摘要 |
<p>PROBLEM TO BE SOLVED: To increase magnetic forces of developing magnetic poles with a simple configuration.SOLUTION: A developing device (Gy) includes: a developer holding body (R0y) that has an unrotatably supported magnet member (11) and a rotating member (12) arranged to surround the outer periphery of the magnet member (11) to rotate while holding a developer on the surface, and develops a latent image formed on the surface of an image holding body (PRy); the magnet member (11) that has at least a developing magnetic pole (S1) arranged at a position corresponding to the image holding body (PRy) and an adjacent magnetic pole (N1) arranged adjacent to the developing magnetic pole (S1) with respect to the direction of rotation of the rotating member (12); and a magnetic member (21) that is arranged opposite to the adjacent magnetic pole (N1) and has magnetism.</p> |
