Lexmark C720 Service Manual - Page 45

5024-001 Printer Systems Description See the illustration "Printer Component Systems" on page 1-17, for more information. Basic Principles of Color Printing Color printing is made through the subtractive process of combining the three primary colors, yellow, magenta, and cyan. Mechanical and Electrical Structures The 5024 color laser printer consists of five engineering systems: print, transfer, optical, paper transport, and control system. Print System The print system consists of six functional parts located around the OPC belt and forms a toner image on the OPC belt. Charge Expose Develop First transfer Discharge Clean Transfer System The transfer system consists of three functional parts that transfers the toner image formed on the transfer drum to paper. Transfer drum Second transfer Drum cleaner General Information 1-15