Image forming apparatus using electrophotography and process...

Details Image forming apparatus using electrophotography and process... Image forming apparatus using electrophotography and process...

2007-02-13

2007-02-13

Chen, Sophia S. (Department: 2852)

Electrophotography

Cleaning of imaging surface

Blade

C399S102000, C399S358000

Reexamination Certificate

active

11192130

ABSTRACT:
An image forming apparatus including a toner accumulating member disposed nearer to the housing than the cleaning blade and the lower seal are, wherein the toner accumulating member accumulates the toner at a tip of the cleaning blade, the toner accumulating member has at least one opening, and the following condition is satisfied: 0%<S(O)/S(C)≦50%, wherein S(O) is a total opening area obtained by summing areas of all openings, and S(C) is an area of a rectangle defined by two sides having the same length as a length of the cleaning blade in its longitudinal direction and two sides having the same length as a distance between the lower end of the toner accumulating member and a position at the same height on the toner accumulating member as the lower end of the cleaning blade.

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