Image forming apparatus having a cleaning blade for removing dep

Details Image forming apparatus having a cleaning blade for removing dep Image forming apparatus having a cleaning blade for removing dep

1997-11-03

1999-03-09

Grimley, Arthur T.

Electrophotography

Internal machine environment

Particle or contaminant control

399 43, 399 44, 399297, G03G 1516, G03G 2100

Patent

active

058813390

ABSTRACT:
In an image forming apparatus of the type including a movable belt and a cleaning blade for cleaning the belt, a toner image in the form of an exclusive line is formed on an image carrier between sheets and then transferred to the belt so as to feed toner to the edge of the cleaning blade. The toner prevents the edge of the cleaning blade from being turned over by the belt. The toner is fed to the cleaning blade in amounts different in the widthwise direction of the belt and can therefore be controlled in amount in the above direction.

REFERENCES:
patent: 4373800 (1983-02-01), Kamiyama et al.
patent: 5107285 (1992-04-01), Hamada et al.
patent: 5175584 (1992-12-01), Usui
patent: 5386274 (1995-01-01), Sanpe et al.
patent: 5640230 (1997-06-01), Ono et al.
patent: 5648842 (1997-07-01), Sekine et al.

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