Developing toner for electrophotography and...

Details Developing toner for electrophotography and... Developing toner for electrophotography and...

2004-12-30

2010-10-12

Walke, Amanda C. (Department: 1795)

Electrophotography

Having particular structure

Modular or displaceable

C399S119000

Reexamination Certificate

active

07813674

ABSTRACT:
A toner for electrophotography containing at least a fixing resin, a coloring agent and a wax is a toner containing rice wax and carnauba wax as the wax constitutional component thereof. A cleaning unit employs the blade cleaning mode; and for the purposes of keeping the performance of the cleaning unit and preventing the generation of printing failure. The toner has a relationship between a charge amount X (i.e., an absolute value of charge amount of the toner, μC/g) and a deposition amount Y (mg/cm2) satisfied with the following expression (1) or (2):in-line-formulae description="In-line Formulae" end="lead"?X≦21   (1)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?X>21 andY≦−0.0329X+1.6223   (2)in-line-formulae description="In-line Formulae" end="tail"?

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