Wet type color electrophotographic copying machine

G - Physics – 03 – G

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G03G 15/01 (2006.01) G03G 15/11 (2006.01)

Patent

CA 1253195

- 18 - ABSTRACT In a wet type color electrophotographic copying machine, a wet type of developing apparatus and a surplus developer removing device are provided under a photosensitive material carrying device. The developing apparatus comprises a plurality of color developing devices and a lifting means for locating each developing device at the levels of three stages such as a developing position, a blade contacting position and a lowered position. The surplus developer removing device comprises a developer squeezing roller unit, a developer recovery blade both of which are provided at least in each color developing device, and an air knife device. Said blade is operated to be in contact with the non-image area of the surface interlockingly with the lowering movement of the developing device from the developing position to the blade contacting position in order to recover the remained developer through the blade completely. A color turbidity of a copy image is eliminated by the enhancement of the removal effect of said removing device.

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