Enable crisp, defined printing accuracy with the OKI 44173405 Black ribbon cartridge giving you 8 million characters to print with. Designed for dot-matrix printing, the OKI 44173405 Black ribbon cartridge is ideal for business type printouts of receipts & invoices. Made from heavy-duty, hard wearing fabric ribbon, the OKI 4417305 Black ribbon cartridge is capable of printing in unconventional settings while giving you high quality results.