Engine-control system The engine-control system coordinates all product functions, according to commands that the formatter sends. The engine-control system drives the system, the image formation system, and the pickup/feed/ delivery system. The engine control system contains the following major components: ● DC controller ● Low-voltage power supply ● High-voltage power supply Figure 1-2 Engine-control system 8 Chapter 1 Theory of operation ENWW Formatter Engine control system DC controller Low-voltage power supply High-voltage power supply Laser scanner system Image-formation system Pickup, feed and delivery system Accessory Accessory