WHITE TONER PRINTING METHOD TO ACHIEVE INCREASED IMAGE DENSITY

摘要

PROBLEM TO BE SOLVED: To print in an electrostatic latent image electrophotographic method with a color laser printer by using white toner to increase the degree of whiteness.SOLUTION: In a color laser printer, two to all of toner cartridges and developing units of yellow, magenta, cyan, and black are charged with white toner, and printing is performed in two- to four-color modes to increase the degree of whiteness.