Abstract: In an image forming apparatus including a control unit made of a display panel and a touch panel display for providing preview display, the touch panel display includes: a finished state preview controller for displaying the finished state of a hard copy formed by the image forming apparatus, on the display panel; and a confirmatory display controller for displaying preview images for confirmation in a turning manner. The display panel includes a first display area for displaying the finished state of the hard copy, a second display area for displaying a image of the page to be turned for confirmation and a third display area for displaying the images that have been displayed for confirmation, in order in a layered manner.

Abstract: A linear motor for magneto-optical disk drive or the like, including a movable member, a guide for guiding the movable member, a driving yoke provided at a central portion of the guide, an actuating member provided at the movabole member and a coil wound around the actuating member such that the actuating member is axially movably fitted around the guide. In the linear motor, a height of a line of action of a driving force produced by electromagnetic action between the coil and the driving yoke is so set as to coincide with a height of a centerline of the guide.