Cleaning cartridges for photocopy machines and computer printers; Components for laser toner cartridges, namely, replacement drums and rollers; Entertainment system comprising a computer, multiple image display screen, multiple input devices and a printer; Image fuser units for computer printers comprising electro-mechanical rollers for the purpose of transferring toner onto paper; Ink cartridges, unfilled, for printers and photocopiers; Ink jet document printers; Multifunctional devices whic...