Image forming apparatus featuring a toner supply opening...

Details Image forming apparatus featuring a toner supply opening... Image forming apparatus featuring a toner supply opening...

2005-11-10

2008-08-05

Gray, David M. (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

Reexamination Certificate

active

07409174

ABSTRACT:
An image forming apparatus includes a rotatable image bearing member; an exposure unit, disposed below the image bearing member, including a transmitting portion for transmitting a laser beam to which the image bearing member is exposed; a developing unit disposed above the exposure unit for developing, with toner, a electrostatic latent image formed on the image bearing member; and a toner supply opening for supplying toner into the developing unit above the exposure unit, wherein the toner supply opening is in a range, with respect to a rotation axial direction of image bearing member, inside an end of the exposure unit and outside the transmission portion.

REFERENCES:
patent: 5210573 (1993-05-01), Fukuchi et al.
patent: 6308024 (2001-10-01), Nakayama et al.
patent: 6366755 (2002-04-01), Takashima
patent: 6701106 (2004-03-01), Yokoi et al.
patent: 7127207 (2006-10-01), Tsurusaki
patent: 2004/0265011 (2004-12-01), Tsuda et al.
patent: 2002-311694 (2002-10-01), None
patent: 2002311694 (2002-10-01), None

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