Anti-plugging device for automatic developability control system

Details Anti-plugging device for automatic developability control system Anti-plugging device for automatic developability control system

1973-07-30

1976-05-11

Halper, Robert

Classifying, separating, and assorting solids

Treatment subsequent

209215, 209223A, 209231, 118603, B03C 130

Patent

active

039561089

ABSTRACT:
An automatic developability control system is provided in the developer assembly of an electrostatic reproduction apparatus to sample toner particle developability. Upon an indication that replenishment of toner powder is necessitated, the control system is operative to activate a toner powder dispensing apparatus. The developer mixture may be comprised of magnetic toner particles or magnetic carrier particles to which toner powder is adhered. To prevent debris material such as paper scraps, fibers, dust, bits of rubber, etc. from plugging or jamming the toner powder sensing device of the control system, provision is made for separating the developer mixture from debris material prior to the introduction of developer mixture into the control system.

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