Black T6161 Ink Cartridge (3000 pages) for Epson B300,B310,B500,B510DN Printers. T6161 black ink cartridge Epson DURABrite Ultra ink no smudging, no fading, simply perfect prints whatever you're printing Epson's DURABrite Ultra ink has an exclusive technology where each pigment particle is coated in resin. This makes the ink water -, smudge -, and fade resistant on all paper types, for beautiful, durable results.