HP Photosmart 420 – a compact photo printer that still delivers The HP Photosmart 420 (also searched as HP 420 or HP Photosmart 400 Series) is a small, user-friendly photo printer designed for quick, vibrant prints at home. It’s valued for simple operation and attractive colour reproduction—especially when you use the right ink for HP Photosmart 420. If you want consistent photo quality and fewer print problems, choosing a well-matched ink cartridge is key. What ink cartridges for HP Photosmart 420 do and why quality matters In this category you’ll find ink cartridges for HP Photosmart 420 in two classes: Original OEM and Compatible. Both options are designed for inkjet printing and focus on clean colour transitions, strong saturation, and crisp details—exactly what you expect from a Photosmart device. The most commonly used cartridge codes for this model are HP 343 (C8766EE) and HP 344 (C9363EE), and many customers also look them up using part references such as C2642Z or by typing simply 420. No matter how you search, you’ll find the right ink for HP 420 here—ready for everyday colour documents and photo printing. - Colour-focused printing – perfect for photos, invitations, school projects and graphics
- Reliable performance – stable ink flow helps prevent streaks and uneven colour coverage
- Convenient options – single cartridges and multi-packs help match your printing habits
Compatible and Original OEM ink for HP 420 – choose what fits your needs We offer both Original OEM ink cartridges and carefully selected compatible ink cartridges for HP Photosmart 420. Original OEM cartridges are the manufacturer’s solution—ideal for customers who prefer staying strictly within the OEM ecosystem. At the same time, our compatible cartridges are a smart alternative: in practice, they are as good as the originals in everyday use, while often helping you reduce printing costs without sacrificing quality. When you buy ink for HP Photosmart 420 from us, you can choose based on what matters most: budget, print volume, and how frequently you print photos. Popular cartridges in this category – singles and value packs To make your choice easier, here are some of the most popular products customers select when they need ink for HP Photosmart 420: - Compatible Ink Cartridge 343 for HP (C8766EE) (Color) – a reliable everyday choice for colour printing
- Compatible Ink Cartridge 344 for HP (C9363EE) (Color) – great for photo printing and vivid colour output
- Compatible Ink Cartridges 343 for HP (CB332EE) (Color) (2-pack) – a convenient option if you print regularly
- Compatible Ink Cartridges 344 for HP (C9505EE) (Color) (2-pack) – better value per cartridge for higher volume users
- Original OEM Ink Cartridge HP 343 (C8766EE) (Color) – OEM colour cartridge for those who prefer original supplies
- Original OEM Ink Cartridge HP 344 (C9363EE) (Color) – OEM option for consistent photo-ready colour results
This range means you can buy exactly one cartridge or stock up with a 2-pack—whichever is more practical for your printing routine. How to choose the right ink cartridge for HP Photosmart 420 When selecting ink for printer HP Photosmart 420, we recommend checking the cartridge code first. For this model, the key references are C8766EE (HP 343) and C9363EE (HP 344). If you print occasionally, a single cartridge is usually enough. If you print frequently or don’t want to worry about running out, a 2-pack is the most convenient choice. Wondering whether to choose OEM or compatible? - Original OEM – manufacturer-branded, ideal if you want to keep everything strictly OEM
- Compatible – cost-effective, widely chosen, and in our offer designed to deliver results that are as good as the originals
Common HP Photosmart 420 printing issues – and what helps With compact photo printers like the HP Photosmart 420, the most frequent issues are usually related to infrequent printing. If the printer sits unused for a while, ink can dry slightly at the nozzles, leading to streaks or missing colours. If you notice problems, it often helps to: - print a small colour image regularly to keep ink flowing
- run the printer’s cleaning or alignment function when colours look uneven
- replace the cartridge promptly if prints become pale or inconsistent
Choosing a dependable ink cartridge for HP Photosmart 420—whether compatible or Original OEM—reduces the risk of frustration and helps keep your photo prints looking the way they should. Order ink for HP Photosmart 400 Series with confidence Dear Customer, we encourage you to explore our full range of ink cartridges for HP Photosmart 420 and choose the option that best matches your printing style. Whether you want Original OEM supplies or a high-quality compatible ink for HP 420, we’re here to help you get sharp, colourful results. View the available cartridges, pick your preferred option, and order today. If you have any questions about compatibility (HP Photosmart 420 / HP Photosmart 400 Series / C2642Z / C8766EE / C9363EE), contact us—we’ll gladly help you choose the right ink quickly. We also make delivery straightforward, so you can get back to printing without delay. | 
