US 11,789,381 B2
Image forming apparatus including toner cartridge and drum cartridge
Yasumasa Fujii, Anjo (JP); Takashi Arakawa, Nagoya (JP); and Shougo Sato, Seto (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on May 3, 2022, as Appl. No. 17/735,233.
Application 17/735,233 is a continuation of application No. 16/993,590, filed on Aug. 14, 2020, granted, now 11,333,998.
Application 16/993,590 is a continuation of application No. 16/515,873, filed on Jul. 18, 2019, granted, now 10,747,145, issued on Aug. 18, 2020.
Claims priority of application No. 2018-142787 (JP), filed on Jul. 30, 2018.
Prior Publication US 2022/0404737 A1, Dec. 22, 2022
Int. Cl. G03G 15/08 (2006.01)
CPC G03G 15/0886 (2013.01) [G03G 15/0872 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
an apparatus main body;
a first housing having a toner storage and a toner conveyance pipe, the toner conveyance pipe including a discharge port through which toner is discharged; and
a first shutter configured to move between a first closed position at which the discharge port is closed and a first open position at which the discharge port is opened; and
a drum cartridge including:
a photosensitive drum;
a development roller;
a second housing having a reception port through which toner discharged from the discharge port is received; and
a second shutter configured to move between a second closed position at which the reception port is closed and a second open position at which the reception port is opened,
wherein when the discharge port and the reception port face each other, the second shutter is configured to engage with the first shutter, and a part of the apparatus main body moves the first shutter from the first closed position to the first open position and the second shutter from the second closed position to the second open position.