| 摘要 |
PURPOSE: A guide structure for entering a photosensitive belt of a printer is provided to easily perform the replacing and installing work of the photosensitive belt. CONSTITUTION: A guide structure is composed of a front frame(400) arranged on a front face of a belt unit and a slant member(500) slanted toward the center as it comes out toward the front, installed on the frame so that even if a frame part of the opened face touches the slant face when a storage case enters, the storage case enters an installment position while it slides over the slant face. If a movable roller(13) is returned to its original place, the roller pushes the photosensitive belt as much as the separated distance corresponding to a spare. Then, the photosensitive belt is settled in the guide rollers(11,12,13) while the photosensitive belt receives tighter tension. Herein, a plate spring(200) is pushed by the increased tension so that the interval with the outer wall is wide. Thereby, if the storage case is drawn out, the storage case is only drawn out so that a new photosensitive belt is replaced.
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