Toner quantity detection and replenishment system for an electro

Details Toner quantity detection and replenishment system for an electro Toner quantity detection and replenishment system for an electro

1997-11-05

2000-12-26

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 206

Patent

active

061647608

ABSTRACT:
The quantity of toner particles in an ink is detected by a toner quantity detector. The quantity of toner particles is integrated for a predetermined time period by a controlling portion. The integrated value is compared with a reference value. When the integrated value is smaller than the reference value, a value is opened for a predetermined time period so as to supply a toner in a toner replenisher to an ink tank. Thus, a predetermined quantity of the toner is replenished to the ink tank. After the toner has been replenished, when the integrated value does not become larger than the reference value, a valve is opened for a predetermined time period under the control of the controlling portion so as to replenish a charge control agent from a charge control agent replenisher to the ink tank.

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