Toner supply device with movable toner bottle

A toner supply device comprising:

• a device body;
• and
• a toner bottle that is attachable to and detachable from the device body, wherein:
• a toner supply port through which toner to be supplied to the device body from the toner bottle passes is formed in each of the device body and the toner bottle,
• one of the device body and the toner bottle includes:
• a shutter that is movable between a shielding position to shield the toner supply port and an open position to open the toner supply port;
• and a first engagement part that is movable in conjunction with the shutter,
• the other one of the device body and the toner bottle includes a second engagement part that is engagable with the first engagement part,
• each of the first and second engagement parts comprises an inclined surface extending in a direction inclined with respect to a movement direction of the toner bottle when the toner bottle is being attached to or detached from the device body,
• during an attachment operation to attach the toner bottle to the device body, the shutter moves from the shielding position to the open position and opens the toner supply port by moving the second engagement part while the second engagement part abuts on the first engagement part, and then the first engagement part engages the second engagement part in an integrally movable manner, and
• during a detachment operation to detach the toner bottle from the device body, the shutter moves from the open position to the shielding position and closes the toner supply port in a state in which the first engagement part and the second engagement part are engaged with each other, and then the first engagement part and the second engagement part is disengaged.