Invention Grant
US07957686B2 Image forming apparatus and fuser unit cleaning method 失效
成像设备和定影单元清洗方法

Image forming apparatus and fuser unit cleaning method
Abstract:
An image forming apparatus includes a fuser unit that includes a first roller and a second roller opposite to each other, a first conveyance unit, a second conveyance unit, a drive unit, and a control unit to control the drive unit to rotate one or both of the first roller and the second roller in a state where a sheet contacts with the first roller and the second roller and the sheet is held by the first conveyance unit and the second conveyance unit, or in a state where after the sheet is held by the first conveyance unit and the second conveyance unit, one or both of the first conveyance unit and the second conveyance unit move in a direction of approaching at least one of the first roller and the second roller and the sheet contacts with the first roller or the second roller.
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