Electrophotography – Image formation – Development
Reexamination Certificate
2011-08-02
2011-08-02
Gray, David M (Department: 2852)
Electrophotography
Image formation
Development
C399S259000, C399S284000
Reexamination Certificate
active
07991329
ABSTRACT:
A developer apparatus, includes: a container which houses toner; a toner carrier roller which is provided, on a surface thereof, with a plurality of convex sections which are regularly arranged and a concave section which surrounds the convex sections, is shaped approximately like a cylinder, and rotates while carrying a toner layer of charged toner supplied from the container on the surface thereof; and a restriction member which abuts on the toner layer on the surface of the toner carrier roller to restrict a thickness of the toner layer, and restricts the toner layer carried by the convex sections within the surface of the toner carrier roller to one layer or less.
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European search report for corresponding European application 08018387.4-2209.
Fukumoto Takatomo
Yamada Yoichi
DLA Piper (LLP) US
Fekete Barnabas T
Gray David M
Seiko Epson Corporation
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