Printing apparatus and toner/developer delivery system therefor

Details Printing apparatus and toner/developer delivery system therefor Printing apparatus and toner/developer delivery system therefor

1989-10-20

1991-07-16

Moses, R. L.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

355261, 355328, 355251, 430122, G03G 1509

Patent

active

050315706

ABSTRACT:
A scavengeless development system for use in highlight color imaging. AC biased electrodes positioned in close proximity to a magnetic brush structure carrying a two-component developer cause a controlled cloud of toner to be generated which noninteractively develops an electrostatic image. The two-component developer includes mixture of carrier beads and toner particles. By making the two-component developer magnetically tractable, the developer is transported to the development zone as in conventional magnetic brush development where the development roll or shell of the magnetic brush structure rotates about stationary magnets positioned inside the shell.

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