(0)G03G:2/2:

IPC6

SECTION G - PHYSICS

ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY

G03G

3/3

G03G015/00 - G03G021/18

Apparatus for electrographic processes using a charge pattern (G 03 G 16/00, G 03 G 17/00 take precedence) [2,5]

Note

This group covers also processes in so far as they are characterised by the use or manipulation of apparatus classifiable per se in this group.

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for producing multicoloured copies [2]

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for laying down a uniform charge, e.g. for sensitising; Corona discharge devices (G 03 G 15/14 takes precedence) [6]

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for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material [6]

041

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with variable magnification [6]

043

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with means for controlling illumination or exposure (G 03 G 15/041 takes precedence) [6]

044

(transferred to G 03 G 15/05)

045

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with means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas (G 03 G 15/36, G 03 G 21/06 take precedence) [6]

047

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for discharging non-image areas [6]

048

(covered by G 03 G 15/04)

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for imagewise charging, e.g. photoconductive control screen, optically activated charging means (charging means controlled by electric image signals B 41 J) [6]

052

(covered by G 03 G 15/04)

054

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using X-rays, e.g. electroradiography [6]

056

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using internal polarisation [2,6]

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for developing

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using a solid developer, e.g. powder developer

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using magnetic brush [2]

095

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Removing excess solid developer [6]

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using a liquid developer

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Removing excess liquid developer e.g. by heat [6]

(transferred to G 03 G 15/095, G 03 G 15/11, G 03 G 21/20, covered by G 03 G 15/20)

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for transferring a pattern to a second base

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of a toner pattern, e.g. a powder pattern

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of a charge pattern

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for fixing, e.g. by using heat

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involving the combination of more than one step according to groups G 03 G 13/02 to G 03 G 13/20 (G 03 G 15/01 takes precedence) [2]

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specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material [6]

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whereby at least two steps are performed simultaneously [2]

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in which the charge pattern is obtained by projection of the entire image, i.e. whole-frame projection (G 03 G 15/04 takes precedence) [2,6]

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in which projection is obtained by line scanning (G 03 G 15/04 takes precedence) [2,6]

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in which projection is formed on a drum [2]

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in which the charge pattern is formed dotwise (G 03 G 15/04, G 03 G 15/05, G 03 G 15/34 take precedence) [2,6]

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in which the powder image is formed directly on the recording material [6]

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Editing, i.e. producing a composite image by copying one or more original images or parts thereof [6]

Electrographic processes using deformation of thermoplastic layers (layers for surface-deformation imaging G 03 G 5/022); Apparatus therefor [2,6]

Electrographic processes using patterns other than charge patterns, e.g. an electric conductivity pattern; Processes involving a migration; e.g. photoelectrophoresis, photoelectrosolography; Processes involving a selective transfer, e.g. electrophoto-adhesive processes; Apparatus essentially involving a single such process [5]

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with electrolytic development [2]

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using photoelectrophoresis [2]

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Apparatus therefor [5]

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using an electrophoto-adhesive process, e.g. manifold imaging [5]

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using migration imaging, e.g. photoelectrosolography (G 03 G 17/04 takes precedence) [5]

Processes using magnetic patterns; Apparatus therefor

Arrangements not provided for by groups G 03 G 13/00 to G 03 G 19/00, e.g. cleaning, elimination of residual charge [2]

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Counting the number of copies; Billing [6]

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Preventing copies being made of an original [6]

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Eliminating residual charges from a reusable imaging member [6]

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using optical radiation [6]

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Collecting or recycling waste developer [6]

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Toner waste containers [6]

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Electronic sequencing control [6]

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Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements [6]

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using a processing cartridge [6]

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Humidity or temperature control [6]