An image forming apparatus for forming a multicolor image by superposing single-color images of respective colors is disclosed. The editing system is provided with a server for storing the video data of edit material. The parameter determining part also determines whether multiple images to be printed are a series of images or not in accordance with additional information about the inputted images read by an additional information reading part. The use of the dual-location paddle allows for a significant reduction in cycle-time over a single paddle location and a Bernoulli wand system. The first amounts of input power may arrive via main contacts of the relays.