Patent ID: 8538294
Filing Date: 2013-09-17
Classification: G03G

Abstract:
1. A charge-removing device comprising: a light source that emits light; and a light guide portion that confronts a surface of an image-bearing member, the light guide portion extending in a first direction, the light guide portion guiding light from the light source toward the surface of the image-bearing member, a charge on the surface of the image-bearing member being removed by the light emitted from the light guide portion; wherein the light guide portion includes: wherein the rough surface part includes: wherein the closer a position of the increasing portion is to the second surface, the larger the length of the increasing portion in the third direction becomes, wherein the closer a position of the decreasing portion is to the second surface, the smaller the length of the decreasing portion in the third direction becomes, and wherein the increasing portion, the maximum portion, the decreasing portion, and the minimum portion are sequentially arranged in the first direction in this order.