Title:
IMAGE FORMING APPARATUS
Document Type and Number:
Japanese Patent JP2023060922
Kind Code:
A
Abstract:
To provide a configuration that can adjust an amount of developer discharged from a developer supply container in one supply operation.SOLUTION: A toner cartridge is provided with a memory that stores information on toner to be charged or information on a tolerance of the toner cartridge, and an image forming apparatus body is provided with a contact that can read the information stored in the memory. The toner cartridge has a discharge port 15a that discharges toner, a pump unit 16 and the like. The pump unit 16 is expanded and contracted to perform exhaust operation to exhaust air from the inside to the outside of the toner cartridge through the exhaust port 15a and intake operation to take in air from the outside to the inside of the toner cartridge through the exhaust port 15a. The pump unit can discharge the toner from the inside of the toner cartridge together with the air in association with the exhaust operation. A CPU can vary an interval from the exhaust operation to next intake operation on the basis of the information read by the contact.SELECTED DRAWING: Figure 9
Inventors:
OYA MASAKI
OIZUMI YUSUKE
OIZUMI YUSUKE
Application Number:
JP2021170602A
Publication Date:
May 01, 2023
Filing Date:
October 19, 2021
Export Citation:
Assignee:
CANON KK
International Classes:
G03G15/08; G03G21/00
Attorney, Agent or Firm:
Patent Attorney Corporation Chikajima International Patent Office