Electrophotography – Control of electrophotography process – Control of transfer
Reexamination Certificate
2006-02-21
2006-02-21
Ngo, Hoang (Department: 2852)
Electrophotography
Control of electrophotography process
Control of transfer
C399S003000
Reexamination Certificate
active
07003237
ABSTRACT:
Image formation condition is available, which hardly causes imperfections of the image quality. A full-color image formation system selects plural secondary transfer conditions in a secondary transfer unit within a specific range, forms test charts according to each of the secondary transfer conditions selected, and prints them out. A user checks by viewing the test charts printed on each recording sheet, and selects a page number of the sheet where the user evaluated an image quality as the best; and the image formation system sets the secondary transfer condition for the sheet as a standard secondary transfer condition thereafter.
REFERENCES:
patent: 5839013 (1998-11-01), Murasawa et al.
patent: 11-212315 (1999-08-01), None
Kaneyama Kiyotoshi
Kawabata Takashi
Kikuchihara Katsunori
Matsuzaka Satoshi
Miyamoto Yoko
Fuji 'Xerox Co., Ltd.
Morgan & Lewis & Bockius, LLP
Ngo Hoang
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