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DEVELOPER CARTRIDGE, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

  • US 20120219328A1
  • Filed: 02/27/2012
  • Published: 08/30/2012
  • Est. Priority Date: 02/28/2011
  • Status: Active Grant
First Claim
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1. A developer cartridge detachably mounted to a main apparatus, said developer cartridge comprising:

  • a storage portion in which a developer is stored;

    an ejection opening for ejecting said developer from said storage portion; and

    a first opening-and-closing member for opening and closing said ejection opening,wherein said first opening-and-closing member is able to take;

    a first position where said first opening-and-closing member opens said ejection opening and said developer cartridge to be fixed to said main apparatus;

    a second position where said first opening-and-closing member closes said ejection opening and makes said developer cartridge detachable from said main apparatus; and

    a third position where said first opening-and-closing member closes said ejection opening and causes said developer cartridge to be fixed to said main apparatus.

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