| 摘要 |
PROBLEM TO BE SOLVED: To provide a developer supply device that includes a developer container and a developing device that can each be individually replaced, and securely prevents scattering of a developer inside an image forming apparatus.SOLUTION: A unit attachment part 130 (second attachment part) is provided with a second attachment detection part 132 that detects the attachment of process units 1Y, 1M, 1C, and 1Bk each including a developing device 4. After the detection of the attachment of the process units 1Y, 1M, 1C, and 1Bk to the unit attachment part 130 by the second attachment detection part 132, an opening/closing mechanism (inner shutter 41) of a toner cartridge 30 is opened. |
