Patent ID: 7460802
Filing Date: 2008-12-02
Classification: G03G

Abstract:
1. A developing device comprising: a development roller to which a liquid toner containing toner particles dispersed in carrier liquid is applied by a toner supplying roller; a photoreceptor on which a latent image to be developed by the development roller is formed; and a compaction roller for compacting the toner particles in the liquid toner on the development roller at a position before the development on the photoreceptor; and further comprising: a paper type selecting means for acquiring information of a type of paper; a means of controlling the number of rotations of the toner supplying roller according to the information of the type of paper or a means of controlling the voltage to be applied to the toner supplying roller relative to the voltage to be applied to the development roller according to the information of the type of paper; and a means of controlling the voltage to be applied to the compaction roller according to the information of the type of paper.