Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate
2005-05-24
2005-05-24
Brase, Sandra L. (Department: 2852)
Electrophotography
Internal machine environment
Particle or contaminant control
C399S101000
Reexamination Certificate
active
06898393
ABSTRACT:
The image forming apparatus includes a movable image bearing member, a charging member opposed to the image bearing member in a charging portion, a transfer member for transferring an image formed on the image bearing member to a transferred member, and a cleaning mode for applying a voltage to the transfer member, and when other area on the image bearing member differing from a surface potential changing area on the image bearing member which is changed in surface potential by the application of this voltage is located in the charging portion, applying a voltage to the charging member, thereby cleaning the transfer member and the charging member. Thereby, the cleaning of the charging member can be effected well.
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