Developing device with toner density adjustment

Details Developing device with toner density adjustment Developing device with toner density adjustment

1986-11-19

1988-05-03

Salce, Patrick R.

Photocopying

Including fiber optics

355 14D, G03G 1500

Patent

active

047423706

ABSTRACT:
Disclosed is a developing device, which develops an electrostatic latent image by applying a toner thereto. The device is provided with an auto-toner adjuster, which detects the toner content of a developing agent, and resupplies the toner in accordance with the detected value, thereby keeping the toner content constantly at a predetermined value. At the shipment from the factory, the developing device is sealed hermetically, storing the developing agent used in setting the toner content by the toner adjuster.

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