Patent ID: 8655231
Filing Date: 2014-02-18
Classification: G03G

Abstract:
1. Toner replenishment apparatus for a dry electrophotographic (EP) printer, comprising: a. a sump for holding developer, the developer including toner particles and magnetic carrier particles; b. a toner supply; c. a rotatable transport subsystem at least partially in the developer in the sump and including: d. means for causing the rotation of the transport subsystem so as to brings a selected one of the apertures below the center of the housing as toner passes through the selected aperture into the developer in the sump, and is mixed into the developer by the developer-mixing member as the transport subsystem rotates; and e. a support for holding the housing at least partially out of the developer in the sump, the support including an aperture aligned with the selected aperture along the length of the housing, so that toner passes through the selected aperture and the aperture of the support when they are brought into alignment by the rotation of the housing.