Patent ID: 7802934

Claim:
An image generating apparatus comprising: a rotatable roller for carrying a paper, provided movably in an axial direction; a roller gear fixedly mounted on said roller; a drive gear meshing with said roller gear and driven by a driving source; and a position adjustment member regulating an axial position of said roller gear so as to hold said roller gear from axial both sides, while capable of moving said roller gear to a separate position for separating said roller gear and said drive gear from each other in a state of applying no pressing force to said roller gear and to a mesh position for meshing said roller gear and said drive gear with each other in carrying said paper, wherein said roller is so formed as to move along the axial direction with said roller gear following movement of said roller gear from a first position of either said separate position or said mesh position to a second position of either said separate position or said mesh position by said position adjustment member.