To provide a technique improving usability by facilitating loading and unloading, and replacement of an image forming unit by making small the force needed to make drive transmitting means which are provided in a contacting/leaving state to contact and leave each other and facilitating inserting and removing of the drive transmitting means.
A rotation-directional play is given between a base part 23, which constitutes a pressure roller gear 22 capable of contacting and leaving a swing gear and is fixed to the shaft end of a pressure roller and a flange part 24 which has a gear, capable of contacting and leaving the swing gear. Further, a compression spring 25 which energizes the base part 23 and flange part 24, in such a direction that the play increases is provided between the base part 23 and flange part 24.
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INUI FUMIKI
NISHIMOTO KAZUNARI
Yoshiyuki Kawaguchi
Mayuko Wakuda