FIELD: printing industry.
SUBSTANCE: developer feed device comprises channel arranged between cartridge for developer and developing cartridge. Besides mentioned channel determines passage of developer free drop from specified cartridge for developer into mentioned developing cartridge. Besides device comprises unit for prevention of developer lumps formation, which is arranged with the possibility to reduce presence of developer lumps in mentioned channel and comprises the following components: element for removal of developer lumps arranged in mentioned channel and comprising elastic element; and drive mechanism arranged with the possibility of putting element for removal of developer lumps in motion in mentioned channel. Besides specified motion includes reciprocal motion of mentioned elastic element so that specified elastic element is alternately compressed and stretched.
EFFECT: more efficient removal of developer residues in passage of developer free fall, reduced overload of electric motor for developer supply, provision of continuous quality of image, since possibility of channel clogging is considerably reduced.
24 cl, 4 dwg
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