Image forming apparatus and method having cleaner using...

Details Image forming apparatus and method having cleaner using... Image forming apparatus and method having cleaner using...

2008-08-04

2009-11-17

Beatty, Robert (Department: 2852)

Electrophotography

Internal machine environment

Temperature

C399S347000

Reexamination Certificate

active

07620343

ABSTRACT:
The present invention provides an image forming apparatus and an image forming method capable of effectively suppressing the occurrence of image deletion etc. and thus stably obtaining a high-quality image and stably reducing the influence of titanium oxide particles on image quality. The image forming apparatus includes an amorphous silicon photoconductor drum having a heater provided therein; a charging device; and a rotating member that cleans the surfaces of the amorphous silicon photoconductor drum using titanium oxide particles included in toner particles. In the image forming apparatus and the image forming method using the same, the heater controls a difference between the surface temperature of the amorphous silicon photoconductor drum and the outdoor temperature within a predetermined range, and slide friction between the amorphous silicon photoconductor drum and the rotating member and the average primary particle diameter of the titanium oxide particles are set in predetermined ranges.

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patent: 7272354 (2007-09-01), Murakami et al.
patent: 7280785 (2007-10-01), Kawada et al.
patent: 7482106 (2009-01-01), Yoshizawa et al.
patent: 3330009 (2002-09-01), None
patent: 2004245948 (2004-09-01), None
patent: 2005017524 (2005-01-01), None

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