Electrophotographic apparatus

Claim 2

An electrophotographic color printing apparatus comprising means for holding an electrophotographic photo-sensitive member in slanting stationary position, means for uniformly imparting electrostatic charge upon the surface of said photo-sensitive member, exposure means including color filters for exposing said photosensitive member, means for pre-wetting said charged and exposed photo-sensitive member by cascading a pre-wetting solution over said photosensitive member, means for cascading over said pre-wetted photo-sensitive member the developing solution corresponding to said color filters to develop an image formed thereon, means for cleaning said developed photo-sensitive member by cascading a cleaning solution over said photo-sensitive member, means for drying said photo-sensitive member every time said photo-sensitive member is developed by each developing solution and cleaned, and means for drying and fixing said photo-sensitive member.

Claim 3

Electrophotographic color printing apparatus comprising means supporting an electrophotogrAphic photo-sensitive member in slanting stationary position, means for imparting charge to the surface of said photo-sensitive member, exposure means including color filters for exposing said photo-sensitive member, a plurality of treating solution ejectors each supported for movement into operative position relative to said photo-sensitive member surface for cascading a treating solution thereover, a plurality of treating solution receptors each supported for movement into operative position relative to said photo-sensitive member surface for collecting treating solution cascaded thereover, treating solution circulating means interconnecting each of said ejectors with a one of said receptors, and means selectively moving each ejector and its interconnected receptor into said operative positions thereof.

Claim 4

Electrophotographic color printing apparatus comprising means supporting an electrophotogrAphic photo-sensitive member in slanting stationary position, means for imparting charge to the surface of said photo-sensitive member, exposure means including color filters for exposing said photo-sensitive member, a plurality of treating solution ejectors each supported for movement into operative position relative to said photo-sensitive member surface for cascading a treating solution thereover, a plurality of treating solution receptors each supported for movement into operative position relative to said photo-sensitive member surface for collecting treating solution cascaded thereover, treating solution circulating means interconnecting each of said ejectors with a one of said receptors, and means selectively moving each ejector and its interconnected receptor into said operative positions thereof.

Claim 5

The apparatus claimed in claim 2 wherein said selective moving means includes a first shaft supporting said ejectors, a second shaft supporting said receptors, means supporting said shafts for rotation and drive means connected to said shafts for synchronous rotation thereof.

Claim 6

The apparatus claimed in claim 3 further including a pair of plates secured in facing relation to said first shaft, said plates supporting therebetween tubular ejectors peripherally of said first shaft.

Claim 7

The electrophotographic color printing apparatus claimed in claim 2 wherein said treating solution circulating means comprises a plurality of tanks each having a pump incorporated therein for circulating treating solution between said ejectors and receptors.

Claim 8

The electrophotographic color printing apparatus claimed in claim 2 wherein said treating solutions comprise color developing solutions.

Claim 9

The electrophotographic color printing apparatus claimed in claim 2 wherein said treating solutions comprise pre-wetting solutions and color developing solutions.

Claim 10

The electrophotographic color printing apparatus claimed in claim 2 wherein said treating solutions comprise cleaning solutions and color developing solutions.

Claim 11

The electrophotographic color printing apparatus claimed in claim 2 wherein said treating solutions comprise pre-wetting solutions, color developing solutions and cleaning solutions.

Claim 12

The electrophotographic color printing apparatus claimed in claim 2 including treating solution tanks and a plurality of electrodes disposed therein for purifying contaminated solutions.

Claim 13

An electrophotographic color printing apparatus comprising means for holding an electrophotographic photo-sensitive member in slanting stationary position, means for uniformly imparting electrostatic charge upon the surface of said photo-sensitive member, exposure means including color filters for exposing said photo-sensitive member, treating solution ejection means for selectively cascading over said photo-sensitive member a plurality of kinds of treating solutions in a predetermined order, treating solution receiving container means for receiving said treating solutions dropped from said photo-sensitive member, and treating solution circulating means for circulating said treating solutions between said treating solution ejection means and said treating solution receiving means, both of said treating solution ejection means and said treating solution receiving means being rotatably carried by rotary shafts respectively in such a manner that they are rotated in synchronism with each other, thereby bringing each of the ejection pipes of said treating solution ejection means into operative position relative to said treating solution receiving means.

Claim 14

An electrophotographic color printing apparatus comprising means for holding an electrophotographic photo-sensitive member in slanting stationary position, means for uniformly imparting electrostatic charge upon the surface of said photo-sensitive member, exposure means including color filters for exposing said photo-sensitive member, treating solution ejection means for selectively cascading over said photo-sensitive member a plurality of kinds of treating solutions in a predetermined order, treating solution receiving container means for receiving said treating solutions dropped from said photo-sensitive member, and treating solution circulating means for circulating said treating solutions between said treating solution ejection means and said treating solution receiving means, both of said treating solution ejection means and said treating solution receiving means being rotatably carried by rotary shafts respectively in such a manner that they are rotated in synchronism with each other, thereby bringing each of the ejection pipes of said treating solution ejection means into operative position relative to said treating solution receiving means.