| 摘要 |
PROBLEM TO BE SOLVED: To provide a toner replenishing vessel from which the toner is not blowing-out at the time of breaking the seal at a highland where atmospheric pressure falls. SOLUTION: As for this toner replenishing vessel, a tap 14 is detached, upon setting the vessel 10 being herimetically sealed that contains the toner 2 therein on a developing device 1. In this toner replenishing vessel 10, the outside and the inside are made to communicate through an opened air passage 15 formed on a bottom surface 13 of the vessel main body 11. Atmospheric pressure difference between outside and inside is eliminated, when the air in the vessel 10 is made to escape from the air passage 15. |
