DEVELOPING ROLLER, MANUFACTURING METHOD OF DEVELOPING ROLLER, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS INCLUDING THE DEVELOPING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a developing roller that suppresses abrasion of the surface thereof, and suppresses electric charge from remaining on the surface.;SOLUTION: A developing roller has concaves and convexes on the surface thereof, and has anode oxide films only at the convex parts on the surface.;COPYRIGHT: (C)2014,JPO&INPIT