Image forming apparatus used in electrostatic process

Details Image forming apparatus used in electrostatic process Image forming apparatus used in electrostatic process

2007-05-01

2007-05-01

Chen, Sophia S. (Department: 2852)

Electrophotography

Cleaning of imaging surface

Blade

C399S159000, C399S346000, C430S110100

Reexamination Certificate

active

11065093

ABSTRACT:
An image forming apparatus including an image bearing member to bear a latent electrostatic image, an irradiation device and developing device to develop a toner latent electrostatic image on the image bearing member, a cleaning blade to remove toner particles remaining on the image bearing member, and a transfer device to transfer the toner image formed on the image bearing member to a recording material. The image forming apparatus satisfies relationships (1) and (2): (1) 0.10< or =Dm3/V< or =3.41, wherein Dm represents a weight average particle diameter of the toner and V represents a circumference velocity of the image bearing member; and (2) Tave< or =1.40 kgf·cm, wherein Taverepresents the average of a torque T of the image bearing member when the torque is measured for 15 seconds while the cleaning blade is in contact with the image bearing member.

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U.S. Appl. No. 11/366,469, filed Mar. 3, 2006, Sugino et al.

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