| 摘要 |
PROBLEM TO BE SOLVED: To provide a transfer belt unit capable of extremely easily replacing members such as a transfer belt and a transfer roller, etc., and capable of simultaneously assembling plural rollers without need for a special jig, as for the assembling work. SOLUTION: In the transfer belt unit for the tandem full-color image forming device, the unit is constituted of a pair of belt driving rollers arranged at an appropriate interval, and a transfer belt stretched to be laid between the pair of belt driving rollers, and inside the stretched transfer belt, a monochromatic toner image transfer roller and plural color toner image transfer rollers are arranged side by side and also so that the roller shafts may be parallel, the unit is provided with a 1st housing frame for rotatably supporting the shaft of one of the belt driving rollers and also for housing the monochromatic image transfer roller, and a 2nd housing frame for rotatably supporting the shaft of the other belt driving roller and also for housing the color toner image transfer roller, and the 1st housing frame and the 2nd housing frame are connected so that they can turn and slide each other.
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