Unit for image forming apparatus, process cartridge, image forming apparatus, and electrophotographic photoreceptor
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United States of America Patent
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Feb 27, 2018
Issued Date -
N/A
app pub date -
Feb 4, 2016
filing date -
Sep 25, 2015
priority date (Note) -
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Abstract
A unit for an image forming apparatus includes an electrophotographic photoreceptor that includes a conductive substrate, a photosensitive layer provided on the conductive substrate, and a surface layer provided so as to contact with an outermost surface of the photosensitive layer, and an exposure section that exposes the electrophotographic photoreceptor with a light having a wavelength (λ) (nm) so as to form an electrostatic latent image on a charged surface of the electrophotographic photoreceptor, wherein a surface roughness (Rz1) (nm) of the outermost surface of the photosensitive layer satisfies an expression of [(Rz1)≧(λ)/(4×(n2))] where a refractive index of the surface layer is set as (n2), and an outermost surface of the surface layer has a surface shape different from the outermost surface of the photosensitive layer.
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