Philips PFA 431 Ink Cartridge Black for use with IPF 325/355/375. Page yield 500. Order the Philips PFA431 inkjet cartridge and you are guaranteed rich tones and a crisp finish from your IPF fax machine. Designed specifically for the Philips Fanjet 375, this cartridge has been created to get optimum results. For page after page, you will be able to admire the crisp text and clean images. Colour-rich and deep hued, choose genuine Philips ink and you are guaranteed high quality reproductions.