HP Bright Office Inks achieve outstanding line quality and bright color distinction to bring out every detail on plain paper, with bold images, true neutral grays, and archival durability via water-resistant blacks. Designed together with your HP DesignJet printer/MFP as an optimized printing system to reduce downtime and improve productivity. Dual ink technology combines bright dye-based color inks with permanent, water-resistant pigment-based black. Choose from 40- to 300-ml cartridge sizes; high-capacity 300-ml enables more unattended printing. Fast-drying, smudge-resistant prints keep pace. Compatible with HP DesignJet T730 and T830 printers. Ideal for AEC professionals, CAD, and general-purpose technical printing.