Ink (toners) for photocopiers; ink cartridges (filled) for printers and photocopiers; inks contained in cartridges; inks contained in roller cassettes; cartridges filled with toner; ink cartridges (filled) for printers and photocopiers; inks contained in cartridges; toner cartridges (filled) for printers and photocopiers; toner cartridges (filled) for dot matrix printers; toner cartridges (filled) for electronically operated printing apparatus; toner cartridges (filled) for laser printers; toner cartridges (filled) for printers; toner cartridges (filled) for use with photocopiers; toner cartridges (filled) for use with photocopying machines; toner contained in cartridges