| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid developing device and an image forming apparatus that can prevent decrease in the image quality of obtained images, as well as, are environmentally friendly. SOLUTION: The liquid developing device for forming an image on a recording medium by using a liquid developer, having toner particles dispersed in an insulating liquid is equipped with a liquid developer reserving unit for reserving a liquid developer; a developing unit for forming an image by using the liquid developer supplied from the liquid developer reserving unit; a transfer unit for transferring the image formed in the developing unit onto a recording medium to form a transfer image; a recovering unit for recovering the liquid developer remaining in the developing unit and/or the transfer unit; and a means for detecting the characteristics changes which detect the degree of changes in the characteristics of the liquid developer recovered in the recovering unit. The insulating liquid contains an unsaturated fatty acid component, and the development conditions are controlled, depending on the degree of changes in the characteristics detected by the means for detecting characteristics changes. COPYRIGHT: (C)2007,JPO&INPIT
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