Patent ID: 6243553
Filing Date: 2001-06-05
Classification: G03G

Abstract:
A developer cleaning method for a liquid electrophotographic printer comprising the steps of:(a) developing an electrostatic latent image by supplying developer supplied from an injection nozzle to a photoreceptor medium via a development roller;(b) removing developer remaining between the injection nozzle and the development roller;(c) removing drip developer formed on the photoreceptor web between a squeegee roller and the development roller; and(d) reducing an electrical potential of the development roller after development so that toner particles included in the drip developer are transferred to the development roller due to a difference in electrical potential;wherein said step (d) comprises the steps of:maintaining a constant charged electrical potential of the photoreceptor web; andmaking the electrical potential difference between the development roller and the photoreceptor web to be equal to or greater than the electrical potential difference between the development roller and the electrostatic latent image.