Image forming apparatus transfer unit with toner layer...

Details Image forming apparatus transfer unit with toner layer... Image forming apparatus transfer unit with toner layer...

2006-08-22

2006-08-22

Feggins, K. (Department: 2853)

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

C399S159000

Reexamination Certificate

active

07095427

ABSTRACT:
A image forming apparatus includes a photosensitive body as an image bearing member having a surface layer. The surface layer includes a charge transport layer having the thickness from 10 μm to 20 μm. An exposing unit exposes the surface layer to the light to form latent image, and has a resolution greater than 600 dpi. A developing unit develops the latent image with toner so that a toner layer is formed on the photosensitive body. The toner layer formed on the photosensitive body includes two or three layers of toner particles. The electric charge Q (μC/g) of the toner layer per unit weight, the average thickness t (μm) of the toner layer, and the gap d (μm) between the smallest dots satisfy the following relationship:in-line-formulae description="In-line Formulae" end="lead"?50.4/d≦|Q/t|≦10.0.in-line-formulae description="In-line Formulae" end="tail"?

REFERENCES:
patent: 6356727 (2002-03-01), Ishii
patent: 2005/0142472 (2005-06-01), Sekido et al.
patent: 10-138549 (1998-05-01), None

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