Patent ID: 11921455
Assignee: FUJIFILM BUSINESS INNOVATION CORP.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 19:
20. A process cartridge comprising:
an electrophotographic photoreceptor including a photosensitive layer;
a charging unit that charges a surface of the electrophotographic photoreceptor;
a cleaning unit including a cleaning member that is in contact with the surface of the electrophotographic photoreceptor and cleans the surface of the electrophotographic photoreceptor; and
a lubricant supply unit that houses a lubricant solid containing, in a content of 92 mass % or more and 100 mass % or less, a lubricant having a polygonal network bond structure and that supplies the lubricant having the polygonal network bond structure to a position where the cleaning member is in contact with the electrophotographic photoreceptor,
wherein the process cartridge is attached to and detached from an intermediate-transfer-system image forming apparatus,
the lubricant solid has a Martens hardness at 23° C. of 24 N/mm2 or more and 80 N/mm2 or less.