Image forming method and apparatus having improved cleaning...

Details Image forming method and apparatus having improved cleaning... Image forming method and apparatus having improved cleaning...

2007-01-30

2007-01-30

Grainger, Quana (Department: 2852)

Electrophotography

Cleaning of imaging surface

Plural diverse

Reexamination Certificate

active

10266540

ABSTRACT:
An image forming apparatus structured with an image carrier; a developing device for making a toner image by using a toner having resin particles, which are obtained through particle formation in an aqueous medium; a transfer device for transferring the toner image onto a transfer material; and a cleaning device for removing residual toner remaining on the image carrier after transferring, wherein the cleaning device has: a cleaning roller having a conductive or semi-conductive resilient body; a cleaning blade made of a resilient material and provided downstream the cleaning roller; a power source to apply a bias voltage on the cleaning roller; and a collecting member to collect the toner removed by the cleaning roller; and wherein the absolute value of the charge amount of the toner used in the image forming apparatus is between 20–50 μC/g.

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European Search Report EP 02 25 7078.
1 pg. English Abstract only.

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