HP C9426A No 85 Ink Cartridge Magenta 28ml for HP Designjet 30/130 Series. Page life - 550. Genuine HP Vivera ink ensures clean, crisp graphics and text with outstanding colour reproduction. When used with HP paper, it ensures fade-resistant prints that can last up to 82 years. This cartridge contains 28ml of magenta Vivera ink for economical print performance.