HP DeskJet 990cxi – a proven printer for everyday printing The HP DeskJet 990cxi (also searched as HP 990cxi, 990 cxi, 990CXI or HP Deskjet 900 Series) is a classic inkjet printer valued for reliable home and small-office printing. To keep it working at its best, you need the right ink for HP DeskJet 990cxi—especially when you print documents regularly or want vivid colors in graphics and photos. What ink cartridges does the HP DeskJet 990cxi use? This model uses two main cartridges: a black cartridge and a tri-color cartridge. When you choose ink for printer HP DeskJet 990cxi, pay attention to the cartridge symbols most often used in searches: - HP 45 / 51645AE / C6455A – black ink cartridge
- HP 78 / C6578AE / C6578DE – color ink cartridge
With the right set, your ink for HP 990cxi delivers crisp black text, clean lines, and solid color coverage. It’s an excellent choice for invoices, school prints, everyday documents, and color handouts. Original OEM or compatible? Choose what fits your needs In our category Ink cartridges for HP DeskJet 990cxi you will find both Original OEM cartridges and compatible cartridges. Original OEM cartridges are made by HP and are a safe choice for users who want to stick to the manufacturer’s solutions. At the same time, our compatible cartridges from DrTusz.pl are designed to be just as dependable in daily use—offering very good print quality, correct fit, and consistent performance. If you print a lot, compatible ink for HP DeskJet 990cxi is often the most cost-effective way to reduce printing costs without sacrificing results. Popular cartridges in this category – singles and convenient multipacks To make shopping easier, we offer single cartridges as well as value multipacks. Among the most frequently chosen products for ink for HP DeskJet 990cxi are: - Original OEM Ink Cartridge HP 45 (51645AE) (Black)
- Original OEM Ink Cartridge HP 78 (C6578AE) (Color) and Original OEM Ink Cartridge HP 78 (C6578DE) (Color)
- Compatible Ink Cartridge 45 for HP (51645AE) (Black)
- Compatible Ink Cartridge 78 for HP (C6578AE) (Color) and Compatible Ink Cartridge 78 for HP (C6578DE) (Color)
- Original OEM Ink Cartridges HP 45 + 78 (SA308AE) (multi pack)
- Compatible Ink Cartridges 45 + 78 for HP (SA308AE) (multi pack)
- Compatible Ink Cartridges 78 for HP (C6578AE-2) (Color) (2-pack)
- Compatible Ink Cartridges 45 for HP (SA294AE) (Black) (2-pack) and Compatible Ink Cartridges 45 for HP (51645AE-3) (Black) (3-pack)
Thanks to multipacks, you can stock up on ink for 990cxi in one order and avoid sudden interruptions when one color runs out. How to choose the right ink for HP DeskJet 990cxi – practical tips If you want to pick the best ink for printer HP DeskJet 990cxi, we recommend a simple approach: - Match the symbol – black is usually 51645AE / C6455A, color is C6578AE / C6578DE.
- Decide on printing volume – for frequent printing, multipacks (2-pack/3-pack or black+color set) are the most convenient.
- Think about what you print – documents benefit from a strong black cartridge; mixed printing works best with a full set (black + color).
Common issues reported by users of older DeskJet models like the HP DeskJet 990cxi include fading text, streaks, missing colors, or the printer not printing after a long break. In most cases, replacing an old or dried cartridge solves the problem quickly. It’s also worth printing a test page from time to time to keep ink flowing smoothly—especially if the printer is used occasionally. Order ink today and keep your HP 990cxi ready to print We encourage you to explore our full selection of compatible and Original OEM ink for HP DeskJet 990cxi. Whether you need a single HP 45 black cartridge, a vivid HP 78 color cartridge, or a convenient multipack like SA308AE, we help you choose the right option and keep your printing costs under control. CTA: Add the right cartridges to your basket now, or contact us if you want help matching the correct ink for HP 990cxi (including variants like C6455A, 51645AE, C6578AE, or C6578DE). We’ll help you choose quickly so you can get back to printing with confidence. | 
