Title:
IMAGE FORMATION DEVICE, IMAGE FORMATION METHOD, AND PROCESS CARTRIDGE
Document Type and Number:
Japanese Patent JP2023000938
Kind Code:
A
Abstract:
To suppress unevenness of image density in a half tone image after elapse of a long period of time since a pattern image was output.SOLUTION: An image formation device includes an electrophotographic photoreceptor, a surface layer of which includes: a charge transporting compound having a chain polymerizable functional group or a successive polymerizable functional group; and polytetrafluoroethylene particles. Primary particles of the polytetrafluoroethylene particles have a number average particle size of 165 nm or more and 185 nm or less. Primary particles of strontium titanate particles on a toner surface have a number average particle size of 20 nm or more and 70 nm or less.SELECTED DRAWING: None
Inventors:
UENO TAKANORI
TOKIMITSU RYOICHI
TAKEUCHI EILEEN
TOKIMITSU RYOICHI
TAKEUCHI EILEEN
Application Number:
JP2021102049A
Publication Date:
January 04, 2023
Filing Date:
June 18, 2021
Export Citation:
Assignee:
CANON KK
International Classes:
G03G5/147; G03G9/097
Attorney, Agent or Firm:
Okabe
Takao Ochi
Koji Yoshizawa
Aki Honda
Takao Ochi
Koji Yoshizawa
Aki Honda