Reliable printing with HP DesignJet 800 (C7780B) HP DesignJet 800 - C7780B is a proven large-format plotter from the HP DesignJet 800 Series, widely used for CAD drawings, technical documentation, posters and presentation graphics. If you rely on repeatable colour, sharp lines and dependable workflow, choosing the right ink for HP DesignJet 800 and the correct printhead is just as important as the device itself. In this category we offer both Original OEM and Compatible solutions—so you can match quality, budget and workload without compromise. Ink cartridges and printheads – what matters in everyday work The HP 800 uses a set of individual colour inks, designed for precise line placement and smooth fills. When you select an ink cartridge for HP DesignJet 800, you’re choosing the stability of colour reproduction, drying behaviour and resistance to smudging—especially important for technical prints and office handling. Just as crucial are printheads for HP DesignJet 800. They directly influence line sharpness, uniform colour areas and overall reliability. A worn printhead may cause streaks, missing lines, colour shifts or repeated cleaning cycles. That’s why we include printheads in this category—so you can restore full quality when ink replacement alone is not enough. - For precise CAD lines: consistent black and clean edges matter most.
- For graphics and presentations: stable cyan/magenta/yellow gives smoother gradients and accurate tones.
- For busy offices: reliable cartridges reduce downtime and maintenance interruptions.
Compatible and Original OEM – wide choice for HP 800 and C7780B We know different users have different priorities, so we stock both Original OEM ink for HP DesignJet 800 and carefully selected compatible ink for HP DesignJet 800. Our compatible cartridges available at DrTusz.pl are designed to deliver prints that are as good as originals—clear lines, strong colour and dependable performance—while helping you optimise printing costs. In this category you will find popular and frequently chosen items such as: - Compatible Ink Cartridge 10 for HP (C4844AE) (Black) and Original OEM Ink Cartridge HP 10 (C4844AE) (Black)
- Compatible Ink Cartridge 82 for HP (C4911AE) (Cyan), Compatible Ink Cartridge 82 for HP (C4912AE) (Magenta), Compatible Ink Cartridge 82 for HP (C4913AE) (Yellow)
- Original OEM Ink Cartridge HP 82 (CH566AE) (Cyan), Original OEM Ink Cartridge HP 82 (CH567AE) (Magenta), Original OEM Ink Cartridge HP 82 (CH568AE) (Yellow)
- Compatible Ink Cartridge 11 for HP (C4836AE) (Cyan), Compatible Ink Cartridge 11 for HP (C4837AE) (Magenta), Compatible Ink Cartridge 11 for HP (C4838AE) (Yellow)
- Original OEM Ink Cartridge HP 11 (C4836AE) (Cyan), Original OEM Ink Cartridge HP 11 (C4837AE) (Magenta), Original OEM Ink Cartridge HP 11 (C4838AE) (Yellow)
- Original OEM Printhead HP 11 (C4810AE) (Black), Original OEM Printhead HP 11 (C4811AE) (Cyan), Original OEM Printhead HP 11 (C4812AE) (Magenta), Original OEM Printhead HP 11 (C4813AE) (Yellow)
Thanks to this selection, you can easily build a full set for your HP Designjet 800 Series—whether you print occasionally or run the plotter daily. How to choose ink for printer HP DesignJet 800 – practical tips When buying ink for HP 800 (C7780B), first confirm the code on your current cartridge/box: HP 10, HP 11 or HP 82. Then select the colour (Black, Cyan, Magenta, Yellow) and decide between Original OEM and Compatible. - Original OEM ink cartridge for HP DesignJet 800 – best for users who want manufacturer-standard results and full predictability in colour workflows.
- Compatible ink cartridge for HP DesignJet 800 – a smart choice when you want excellent quality at a better cost per print. Our compatible options are designed to match the expectations of professional plotter users.
- Printhead replacement – consider it if you notice persistent banding, missing lines, uneven colours or if cleaning cycles don’t fix the problem.
Common issues with HP DesignJet 800 (C7780B) and how we help Large-format devices work hard, and users often report similar challenges. If your HP DesignJet 800 shows: - streaks or banding across fills,
- faded colours or a sudden colour shift,
- missing thin lines in CAD drawings,
- frequent head cleaning and ink consumption spikes,
it may be time to replace not only the ink cartridge for HP DesignJet 800 but also the HP 11 printhead in the affected colour. Choosing the right combination restores sharpness and reduces wasted time and media. Order ink and printheads for HP DesignJet 800 – and get back to printing We encourage you to explore our full range of ink cartridges for HP DesignJet 800 - C7780B: compatible and Original OEM, plus matching printheads. If you’re unsure whether you need C4911AE or CH566AE, or which component is responsible for quality issues, contact us—we’ll help you choose quickly and correctly. Check the available products, add the right inks and printheads to your cart, and enjoy fast delivery and professional support from our team. |
