Primera Bravo 4100 [Qty 2 - Black] - Compatible non-OEM - Sold in sets of two (2) High-Yield Cartridges. - Bravo 4100 Series Black Compatible Cartridge non-OEM. - 100% Compatible with Bravo 4100 Series. - Worldwide 4100 User Community & Knowledge-base - Specifically formulated and developed for disc printing.