MASTER INK CARTRIDGE STATION FOR MONOCHROME PRINTING

Multifunction document printers having functions of printer, copy, facsimile and scanner and printer option unit therefore in the nature of an inkjet cartridge station for holding both filled ink cartridges and ink cartridges to be filled for providing ink to a printer head; production printing systems comprised of inkjet document printers and also containing printing ink and printer option unit therefore in the nature of an inkjet cartridge station for holding both filled ink cartridges and ink cartridges to be filled for providing ink to a printer head; printers, namely, document printers, ink jet document printers, and colour document printers and printer option unit therefore in the nature of an inkjet cartridge station for holding both filled ink cartridges and ink cartridges to be filled for providing ink to a printer head; photo-copying machines; facsimile machines; scanners; parts for the aforementioned printers