Ink cartridges for HP OfficeJet Pro K550dtwn - compatible and original OEM

Reliable printing with the HP OfficeJet Pro K550dtwn

If you use the HP OfficeJet Pro K550dtwn (also searched as HP K550dtwn, K550 DTWN, K550dtwn or C8159A), you already know it’s a workhorse built for fast, cost-effective office printing. This model is valued for sharp text, efficient ink use and solid performance in everyday business tasks—quotes, invoices, reports and shipping documents. To keep it running at its best, it’s crucial to choose the right ink for HP OfficeJet Pro K550dtwn and, when needed, the correct printhead.

Ink cartridges and printheads: what matters for this model

The HP OfficeJet Pro K550dtwn ink system is based on separate color cartridges and dedicated printheads. That means you can replace only the color you use up, and separately maintain the print quality by replacing the printhead when the printer asks for it. In our category you’ll find both ink cartridges for HP OfficeJet Pro K550dtwn and printheads for HP K550dtwn—so you can restore vivid colors, crisp blacks and reliable page-to-page consistency.

Whether you print mainly black text or full-color graphics, choosing the right ink for K550dtwn helps you:

• keep text dark and readable (ideal for office documents),
• maintain stable color balance for charts and presentations,
• avoid downtime caused by empty cartridges,
• protect the printer’s ink system by using well-matched consumables.

Compatible and Original OEM: a wide choice in one place

We offer both Original OEM and Compatible solutions—so you can choose what best fits your printing style and budget. If you want manufacturer-brand consumables, our Original OEM range includes the most popular HP 88 XL colors and dedicated printheads. If you prefer a smarter cost-per-page approach, our compatible cartridges are a strong alternative—especially for frequent printing. Importantly: the compatible cartridges we offer at DrTusz.pl are designed to deliver results that are as good as the originals in everyday office use—sharp text, stable coverage and dependable performance.

Popular products for HP 88 XL (CMYK) – quick overview

In this category you’ll find proven options for ink for printer HP OfficeJet Pro K550dtwn, including single colors and convenient sets:

• Compatible Ink Cartridges 88 XL CMYK for HP (DT-AH-88/K) (multi pack) – a practical choice when you want to stock up and keep consistent color output.
• Compatible Ink Cartridge 88 XL for HP (C9396AE) (Black) and Original OEM Ink Cartridge HP 88 XL (C9396AE) (Black) – ideal for heavy text printing.
• Original OEM Ink Cartridge HP 88 XL (C9391AE) (Cyan) / Compatible Ink Cartridge 88 XL for HP (C9391AE) (Cyan) – for clean blues and balanced graphics.
• Original OEM Ink Cartridge HP 88 XL (C9392AE) (Magenta) / Compatible Ink Cartridge 88 XL for HP (C9392AE) (Magenta) – for strong reds and accurate color mixes.
• Original OEM Ink Cartridge HP 88 XL (C9393AE) (Yellow) / Compatible Ink Cartridge 88 XL for HP (C9393AE) (Yellow) – for bright highlights and clean yellow tones.
• Original OEM Printhead HP 88 BK/Y (C9381A) and Original OEM Printhead HP 88 M/C (C9382A) – a great solution when print quality drops even after replacing ink.

How to choose ink for HP OfficeJet Pro K550dtwn (and avoid common issues)

When selecting ink for HP OfficeJet Pro K550dtwn, start with your printing habits. If you print occasionally, single cartridges may be enough; if you print regularly, an XL cartridge or a multipack can reduce interruptions and improve convenience. If your priority is the lowest running cost with reliable results, compatible cartridges are a sensible choice. If you prefer strictly manufacturer-branded consumables, choose Original OEM.

For the K550dtwn, users most often report issues such as:

• faded or missing colors – typically solved by replacing the empty color cartridge, running a cleaning cycle, or replacing the relevant printhead,
• streaks or uneven lines – often a sign the printhead needs cleaning or replacement (especially if new ink doesn’t help),
• printer not recognizing a cartridge – usually fixed by reseating the cartridge and ensuring contacts are clean and properly installed.

Our tip: if you replace ink and the print still isn’t right, consider the printhead. Because this model uses separate printheads, restoring quality can be as simple as choosing the correct HP 88 printhead (BK/Y or M/C), without replacing everything.

Order your ink today and keep the K550dtwn ready for work

We encourage you to explore our full range of ink cartridges for HP OfficeJet Pro K550dtwn—both Compatible and Original OEM—as well as dedicated printheads for HP K550dtwn. If you’re unsure whether you need a cartridge or a printhead, tell us what the printer displays and what the prints look like—we’ll help you choose the right product quickly.

CTA: Add your chosen HP 88 XL cartridges to the cart and secure smooth printing for your office—if you have questions, contact us and we’ll guide you to the best option. We focus on fast, safe delivery and clear product matching, so you can get back to printing without delays.