Patent ID: 8854409
Filing Date: 2014-10-07
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a plurality of developers comprising a yellow (Y) developer, a magenta (M) developer, a cyan (C) developer, and a black (K) developer; and optical scanners comprising a first optical scanner, which forms electrostatic latent images on photoconductors of two of the developers including the black (K) developer, and a second optical scanner, which forms electrostatic latent images on photoconductors of the other two developers, each of the first and second optical scanners comprising a single light source and a light reflecting unit and forming an electrostatic latent image on a photo conductor of each of the developers, wherein the optical scanners have the same focusing distance from the light source to the photo conductor, and each of the light reflecting units of the first and second optical scanners comprise