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Home › Toner supply cartridge having a shutter equipped to cooperate with a stopper element and a returner element of a guide to close the shutter automatically, and toner supplying apparatus with such cartridge

Toner supply cartridge having a shutter equipped to cooperate with a stopper element and a returner element of a guide to close the shutter automatically, and toner supplying apparatus with such cartridge

US Patent 5933691 · Granted Aug 3, 1999

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