Genuine New Xerox Diablo 635 Multistrike Ribbon 8R2354. Black color.
For Xerox/Dablo 635 printers, Xerox series 600 Memorywriters, Diablo D36 and 620 printers for ultra high density image.
Average capacity: 500,000 character impressions (635 printers); 357,000 character impressions (D36, 620 and series 600 Memorywriters).
You can cask seller about whether there are more of these in stock.