Patent · US Active

Electrophotographic image forming apparatus

US10203625B2 · kind B2 · utility

0Cited by
1References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 2017
Grant dateFeb 12, 2019
Priority date
Expiry dateDec 11, 2037

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/14734
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrophotographic image forming apparatus includes: an electrophotographic photosensitive body including an electroconductive substrate, and a charge generating layer, a charge transfer layer and a surface protective layer laminated on the substrate in this order, and a charging roller for causing contact electrification on the surface of the electrophotographic photosensitive body, wherein at least the surface protective layer contains inorganic microparticles having a fluorine compound on the surfaces and a binder resin, and the surface of the charging roller has a maximum height roughness Rz≤0.5 μm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.