- AI
ChatGPT for Business: A Practical Guide
20 Mar, 2026

£16.30 inc. VAT
AI-generated summary
The Canon CLI-551XL High Yield black ink for £13.45 ex-VAT is one of those “does the job without fuss” refills—good value if you’re printing a lot of black text and you’ve already got a Canon setup that accepts this cartridge. XL inks are usually where the savings land: you get fewer replacements, less downtime, and more predictable cost-per-page than standard-yield options. If your business is doing everyday documents, invoices, letters, or general admin printing, it’s a sensible buy.
That said, I wouldn’t treat it as automatically “the best deal” if you only print occasionally. For low-volume users, the higher upfront cost versus smaller cartridges can be wasted money, especially if ink dries out faster than you can use it. Also, keep an eye on compatibility with your exact Canon printer model—wrong ink cartridges can cause quality issues or error states that cost you more time than the cartridge saves. In short: buy it if you’re a steady black-text printer and want lower run costs; avoid it if your printing is sporadic or you’re unsure of model compatibility.

Xerox
Xerox - High Yield - yellow - compatible - toner cartridge (alternative for: HP CN628A, HP CN628AE, HP CN628AM) - for HP Officejet Pro X451dn, X451dw, X476dn MFP, X476dw MFP, X551dw, X576dw MFP

Canon
Canon PFI-4100 PM - 80 ml - photo magenta - original - hanging box - ink tank - for imagePROGRAF PRO-1100

Canon
Canon 055 - Magenta - original - toner cartridge - for Color imageCLASS MF743, imageCLASS LBP664, MF745, i-SENSYS MF742, MF744, Satera LBP662

Brother Supplies
Brother TN-249BK - Super High Yield - black - original - box - toner cartridge - for Brother HL-L8240CDW, MFC-L8390CDW
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