| 摘要 |
A device for developing an electrostatic latent image formed on an imaging surface using electrically insulating and magnetically attractable toner particles includes a developing sleeve and a doctor blade for forming a film of toner particles on the sleeve. In one form, the doctor blade has an end surface which is inclined at an angle in the range 15 DEG +/-15 DEG with respect to the tangential plane defined at the point of contact where the tip end of the doctor blade meets with the sleeve surface, and this angle converges in the direction of the sleeve's direction of movement.
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