lower the cost of printing per page and extend the time between top-ups with a high-yield ink of up to 6,000 pages? or 7,600? pages when printing in economy print mode with just a single 170 ml bottle of pigment black ink. ideal for those who print high volumes, enjoy high-quality results with crisp, sharp document text. the enhanced ink bottle also eliminates wastage and spillage thanks to its innovative no-squeeze design which reduces mess. the key type nozzle ensures that you fill the right tank with the right bottle reducing any errors while refilling.extend the time between top-ups and lower the cost of printing per page with a 170 ml bottle of high-yield black inkexperience high-quality sharp and crisp text while printing important documents thanks to pigment based inkthese no-squeeze ink bottles ensure an easy and simple ink refilling process and the ink stops when the tank is full ? so there?s no waste of ink.print up to 6,000 pages? from the black ink bottle, or 7,600? pages when printing in economy print modea key type ink nozzle provides mess-free and error-free use as each colour has their designated slots which means you won?t accidentally put the black ink bottle into the wrong ink tank.