| 摘要 |
Widths of a coating area, a developing agent carrier, a maximum image area and a first cleaning member taken along a second direction are respectively W 1 , W 2 , W 3 and W 4 , the following conditions are satisfied: a first condition that W 1 >W 2 is met and in the second direction, the both edges of the developing agent carrier are located on the inner side to the both edges of the coating area, a second condition that W 2 >W 3 is met and in the second direction, the both edges of the image area are located on the inner side to the both edges of the developing agent carrier, and a third condition that W 4 >W 2 is met and in the second direction, the both edges of the developing agent carrier are located on the inner side to the both edges of the first cleaning member.
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