US 12,449,754 B2
Image forming apparatus
Yuka Kawamoto, Kanagawa (JP); Yoshiteru Yamada, Kanagawa (JP); and Daisuke Tano, Kanagawa (JP)
Assigned to FUJIFILM Business Innovation Corp., Tokyo (JP)
Filed by FUJIFILM Business Innovation Corp., Tokyo (JP)
Filed on Aug. 14, 2024, as Appl. No. 18/804,425.
Prior Publication US 2025/0291299 A1, Sep. 18, 2025
Int. Cl. G03G 21/00 (2006.01); G03G 9/08 (2006.01); G03G 9/093 (2006.01); G03G 15/16 (2006.01)
CPC G03G 21/0017 (2013.01) [G03G 9/0819 (2013.01); G03G 9/09335 (2013.01); G03G 15/161 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
an electrostatic image developer including a toner including toner particles,
the toner particles including a release agent,
an amount of the release agent present in a region that extends 800 nm below surfaces of the toner particles being 70% or more of the total amount of the release agent included in the toner particles,
the release agent having a melting temperature of 65° C. or more and 80° C. or less;
a member that is to be cleaned; and
a cleaning blade arranged to come into contact with an outer peripheral surface of the member, the cleaning blade being capable of removing the toner adhered on a surface of the member,
the cleaning blade including a contact portion arranged to come into contact with the member,
the contact portion including a polyurethane,
the contact portion having a hardness of 85° or more and 95° or less and a plastic deformation power of 12% or less,
a Si content at a surface of the contact portion being 15 atm % or more.