For most users, we recommend the following cartridges for the HP DeskJet Plus 4120e for the best balance of cost and convenience:

• HP 305 Black Original — approximately £14.99 per cartridge, ~12.5p per page
• HP 305XL Black Original (High-yield) — approximately £21.99 per cartridge, ~9.2p per page
• HP 305XL Colour Original (High-yield) — approximately £29.99 per cartridge, ~15.0p per page

XL and high-yield cartridges offer more pages per cartridge, reducing the frequency of replacements and often providing better cost per page for regular users of the HP DeskJet Plus 4120e.

• HP 305XL Black Original — approximately £21.99, ~9.2p per page (saves approximately 27% vs standard)
• HP 305XL Colour Original — approximately £29.99, ~15.0p per page (saves approximately 25% vs standard)

Here's a quick summary of approximate cost per page for the HP DeskJet Plus 4120e:

• Black printing (standard): approximately 3.3p per page
• Colour printing (standard): approximately 3.3p per page

You can find compatible cartridges for the HP DeskJet Plus 4120e at major retailers including Ink Factory, CartridgeMonkey, and Amazon. Use the search links on our main printer page to find current prices and availability. All prices are approximate and may vary.

• Search for cartridges using the printer model number and cartridge name
• Compare prices across different retailers
• Consider buying multipacks or XL cartridges for better value if you print regularly
• Check compatibility before purchasing — ensure the cartridge model matches your printer