Toner cartridges, unfilled, for printers and photocopiers;Image transfer kits for computer printers, namely, kits forming parts of printers comprising belts, toner and drums for the purpose of transferring images onto paper;Image fuser units for computer printers comprising electro-mechanical rollers for the purpose of transferring toner onto paper;Drum units for printers, facsimile machines, scanners, copying machines and multifunction electronic devices for use in copying, printing, scannin...