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£14.96 inc. VAT
AI-generated summary
Honestly, this is one of those “it’s fine, just don’t overpay” ink buys. At **£12.35 ex‑VAT**, the CLI‑581XL Yellow is only a good deal if you’re a regular user of the matching Canon printer and you actually get consistent yellow coverage (labels, charts, any colour-heavy admin work). In the real world, the XL size helps because you’re not constantly swapping cartridges, and that matters in an office where downtime and “printer admin” always somehow lands on the same person.
I wouldn’t recommend it if you print very rarely or you only need occasional colour—ink cartridges can sit, output can fluctuate, and then you’re effectively paying for a cartridge lifespan you won’t use. Also, if your goal is lowest cost per page overall, you’ll want to compare against the cheapest alternative that fits your exact printer model (since compatibility and page yield can swing the value a lot). If you’re in the sweet spot—steady yellow usage on the right Canon machine—this is a sensible, predictable choice.

Xerox
Xerox - High capacity - black - original - box - toner cartridge - for Xerox C325

Xerox
Everyday - High capacity - black - compatible - box - remanufactured - toner cartridge (alternative for: Brother TN247BK) - Green World Alliance return programme - for Brother DCP-L3510, DCP-L3517, DCP-L3550, MFC-L3730, MFC-L3750, MFC-L3770

Brother Supplies
Brother LC129XL Value Pack - 4-pack - black, yellow, cyan, magenta - original - blister - ink cartridge

Canon
Canon PFI-5100 CO - 14.4 ml - chroma optimiser - original - hanging box - ink tank - for imagePROGRAF PRO-310
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