| 摘要 |
PROBLEM TO BE SOLVED: To make the layer thickness of toner stuck to a developing roller uniform by improving the structure of a doctor blade in a developing device provided with a developing unit to store the toner, the developing roller arranged at the aperture part of the developing unit, the doctor blade to regulate the layer thickness of developer carried by the developing roller and a sealing member provided at a gap between both end parts of the developing roller in a longitudinal direction and the aperture part of the developing unit. SOLUTION: The end edge part of the doctor blade 45 opposed to the developing roller 43 is formed along the rotary surface of the developing roller 43 deformed at a rotating time. |
