| 摘要 |
PROBLEM TO BE SOLVED: To attain space-saving of a shutter constitution for a toner cartridge. SOLUTION: The developer supply cartridge includes a toner storing part 33 for storing a toner and a supply port member 50. The supply part 50 has a supply port 50c for supplying a toner stored in the toner storing part 33 to a port 16a to be supplied arranged in a developing device, a covering member 61 which moves along the outer wall 33a of the toner storing part 33 between a covering position covering the supply port 50c and an exposure position retreating from the covering position and exposing the the supply port 50c, and a supply port 50c. The supply port member 50 can be in a supply position where the supply port 50c faces the port 16a so as to supply the toner from the port 50c to the port 16a in the case the covering member 61 is located in the exposure position, also in the case the covering member 61 is located in the covering position, the member 50 can be in a non-supply position where the toner is not supplied from the port 50c to the port 16a since the port 50c is positioned on the inner side of the toner storing part 33 from the supply position in a direction crossing the moving direction of the covering member 61. COPYRIGHT: (C)2007,JPO&INPIT
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