| 摘要 |
PROBLEM TO BE SOLVED: To effectively use a toner bottle vacant after the supply of replenishment toner to a toner hopper, also to improve the reuse rate by an improvement in the toner-bottle recovery rate, thus, to effectively use resources and to decrease wastes. SOLUTION: After the supply of replenishment toner to a toner hopper, the lid 13 of a vacant toner bottle is attached to the projecting part 11a of the bottom of a housing 11 from an opening 12, and the toner bottle is set in the waste-toner recovering position of a device main body. In the waste-toner recovering position, the bottle is used as a waste-toner box in which waste toner recovered by a cleaner is collected. After the waste toner is collected, the toner bottle is recovered and reused. |
