| 摘要 |
PROBLEM TO BE SOLVED: To provide a waste toner conveying device that has improved waste toner conveying force on the downstream side.SOLUTION: A waste toner conveying device includes: waste toner conveyance paths 40 and 50 that form a conveyance route for conveying waste toner from the upstream side to the downstream side, have a plurality of recovery ports for recovering the waste toner provided across the upstream side to the downstream side, and are configured to form the conveyance route such that the cross-sectional area of a position corresponding to the recovery port on the most downstream side is larger than the cross-sectional area of a position corresponding to the recovery port on the most upstream side; and conveying screws 42 and 52 that are provided to the respective waste toner conveyance paths 40 and 50, and convey the waste toner from the upstream side to the downstream side. |
