| 摘要 |
PROBLEM TO BE SOLVED: To prevent toner from being leaked when a toner bottle is replaced. SOLUTION: This toner supply device 1 constituted so that the toner is supplied by attaching and detaching the toner bottle 6 is provided with a supporting member having an opening corresponding to the toner supply port 10 of the bottle 6 and supporting the bottle 6, a seal member 53 which is arranged around the opening and which expands by the flowing-in of air, an expansion and contraction member 51 which is compressed when the bottle 6 is attached to the supporting member and which makes the air flow and a seal means having a coupling member 52 carrying the air flowing out from the expansion and contraction member 51 by the attaching action of the bottle 6 to the seal member. |
