Electrophotography – Control of electrophotography process – Having temperature or humidity detection
Reexamination Certificate
2006-11-28
2006-11-28
Lee, Susan (Department: 2852)
Electrophotography
Control of electrophotography process
Having temperature or humidity detection
C399S359000
Reexamination Certificate
active
07142791
ABSTRACT:
An image forming apparatus according to the present invention, comprising: a cleaner portion adapted for recovering toner remaining on an image carrying surface of an image carrier after a toner image formed on the carrying surface of the image carrier has been transferred onto a transfer material; a recovered-toner transporting portion adapted for transporting the toner recovered by the cleaner portion to a developing portion adapted for supplying the toner onto the image carrying surface; a temperature detecting portion adapted for detecting a temperature relative to the cleaner portion; and a controlling portion adapted for additionally operating the recovered-toner transporting portion over a predetermined period of time beyond a predetermined operation termination timing when the temperature detected by the temperature detecting portion exceeds a predetermined temperature. With this configuration, it is possible to stably provide the images without any defect by this image forming apparatus equipped with a toner-recycle mechanism.
REFERENCES:
patent: 6173132 (2001-01-01), Kida et al.
patent: 10-97165 (1998-04-01), None
patent: 10240093 (1998-09-01), None
patent: 2003280472 (2003-10-01), None
Foley & Lardner LLP
Kabushiki Kaisha Toshiba
Lee Susan
Toshiba Tec Kabushiki Kaisha
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