Basic operation Major print systems Operation can be divided into the following systems: ● Engine-control system (which includes the power supply and DC controller PCA) ● Laser/scanner system (which forms the latent image on a photosensitive drum) ● Image-formation system (which transfers a toner image onto the print media) ● Pickup, feed, and delivery system (which consists of various rollers and transports the media through the product) ● Options Figure 1-1 Major product systems 2 Chapter 1 Theory of operation ENWW ENGINE CONTROL SYSTEM LASER/SCANNER SYSTEM IMAGE-FORMATION SYSTEM PICKUP-AND-FEED SYSTEM OPTION LASER/SCANNER SYSTEM OPTION