| 摘要 |
PROBLEM TO BE SOLVED: To provide a toner supply device, a toner supply device main body part and an image forming apparatus which allow easy reduction of the volume occupied by a toner housing part when discarding the toner housing part and can prevent deterioration of toner.SOLUTION: A toner supply device 20 is constituted of: a toner housing part 211 which houses toner by forming an internal space by a toner bag 211a and a toner discharge part 211b, has a toner discharge port 211ba formed at the toner discharge part 211b, and is capable of discharging toner from the toner discharge port 211ba by rotating; a toner bag holding member 215 which is flexible and is provided on an outer surface of the toner bag 211a to maintain the shape of the toner bag 211a; and a push-up member 24 which pushes up the toner bag holding member 215 intermittently or continuously and moves the toner inside the toner bag 211a towards the toner discharge part 211b. |
