Electrophotography – Control of electrophotography process – Control of cleaning
Reexamination Certificate
2007-07-31
2009-11-17
Gray, David M (Department: 2852)
Electrophotography
Control of electrophotography process
Control of cleaning
C399S346000
Reexamination Certificate
active
07620340
ABSTRACT:
An image forming apparatus includes an image bearing member which bears a toner image, a transfer member which transfers the toner image on the image bearing member to a transfer material, a cleaning blade which is brought into contact with and separated from the image bearing member and which removes transfer remaining toner remaining on the image bearing member where the toner image is transferred; and executing means which executes a toner cleaning mode such that the cleaning blade is brought into contact with and separated from the image bearing member so as not to remove a part of the transfer remaining toner remaining on the image bearing member, and then the cleaning blade having been separated from the image bearing member contacts the part of the transfer remaining toner remaining on the image bearing member when the cleaning blade again is brought into contact with the image bearing member.
REFERENCES:
patent: 4711555 (1987-12-01), Toshimitsu et al.
patent: 2000-231274 (2000-08-01), None
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Gray David M
Ready Bryan P
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