Photocopiers; Teleprinters; Teletypewriters; Computer peripheral devices; Data processing equipment, namely, couplers; Document printers; Document printers for use with computers; Electronic tags for goods; Facsimile machines; Ink-jet color printers for documents; Ink cartridges, unfilled, for printers and photocopiers; Laptop computers; Photo printers; Phototelegraphy apparatus; Toner cartridges, unfilled, for printers and photocopiers; Digital plotters