A zoom lens device including a diffraction optical element constructed in a new way. The resilient mechanical means is comprised of a material or configuration of material which is both more resistant to compression than the foam core and more resilient to expansion than the foam core. When a next sticky note starts to be transported after the sticky note is completely transported by the transport unit and the detecting unit detects the presence, the control unit prohibits the transport unit from being driven. A fourth component has a fourth upper surface which includes a fourth plurality of cross-rib members corresponding and mounted to the third plurality of cross-rib members.