ENTWICKLERZUFUEHREINRICHTUNG FUER EINEN ELEKTROPHOTOGRAPHISCHEN KOPIERER

摘要

A toner supply device for supplying a developing unit of an electrophotographic copier with a toner developer which is stored in a cylindrical cartridge. The cartridge is fixed in a horizontal position in the vicinity of the developing unit of the copier while occupying a minimum of space. The toner supply device is desirably applicable to a small-size electrophotographic copier.