- Virtual CIO
Digital Transformation for SMEs: Where to Start
11 Mar, 2026







£23.05 inc. VAT
AI-generated summary
For £19.21 ex‑VAT, this “Xerox compatible” TN‑421BK style toner is the sort of budget cartridge that makes sense if you’re trying to keep per-page costs down and you’ve already got printers that reliably accept compatibles. In day-to-day use, the main things you’ll notice are how consistently it prints fine text (especially for invoices and admin docs) and whether the cartridge starts fine and stays stable over the life—budget toners can be a bit variable, but good ones are usually “boring” in the best way: no drama, no complaints, just normal print quality.
I wouldn’t buy it if you’re printing a lot of high-contrast graphics, lots of small font work, or anything where you can’t afford occasional streaking/patchiness (which is where cheaper compatibles sometimes show their limits). Also, if you need predictable yields for cost tracking, don’t assume it’ll match the branded “standard capacity” you see advertised—monitor your actual pages per cartridge after the first replacement. This is best suited to SMB admin teams, departments printing mostly text, and anyone with a bit of tolerance to trial/iteration—as long as you’re comfortable that a compatible won’t always behave identically to OEM.

Prints that Pop. Vibrant color, rich blacks, crisp lines and sharp text.

Cut toner costs, not quality. Save big with up to 40%-60% saving on major printer brands.

Less risk, no hassles. Lifetime guarantee with free cartridge replacement.

Performance meets compatibility. Coverage for the most popular printer brands and models.

Canon
Canon 731 Y - 6269B002 - 1 x Yellow - Toner Cartridge - For iSENSYS LBP7100Cn,LBP7110Cw,MF8230Cn,MF8280Cw

Xerox
Xerox VersaLink C500 - Black - drum cartridge - for VersaLink C500, C505

Canon
Canon CLI-42 Y - 6387B001 - 1 x Based Yellow - Ink tank - For PIXMA PRO100,PRO100S, PIXUS PRO100

Brother Supplies
Brother TN - Ultra High Yield - magenta - original - toner cartridge