- Internet & Connectivity
Understanding Business Internet SLAs: What to Look For
18 Mar, 2026



£76.25 inc. VAT
AI-generated summary
If you’re using a compatible Brother laser and you want the simplest “it just works” replacement, the TN-2120 original black cartridge is a sensible option. Original toner tends to be consistent in print quality and reliability—especially important in an office where you don’t want to troubleshoot streaks, uneven coverage, or annoying support calls. At **£63.54 ex‑VAT**, it’s not the cheapest route, so I’d only pick it if you’re prioritising dependable day-to-day output over squeezing every penny.
Where it makes less sense is if you print heavily and your priority is cost per page. In that scenario, you’ll often find third-party or higher-yield alternatives that bring the spend down meaningfully—provided your printer model is happy with them and you’re okay with a bit more variability. If you print moderately, this is fine: you’ll likely get stable results without the risk premium that comes with generics.
**Buy it if:** you value guaranteed compatibility and clean, reliable black text for business documents (letters, invoices, admin printing). **Skip it if:** you’re chasing lowest running costs or you have a low-usage printer where investing in the absolute best cost-per-page isn’t essential. If you tell me your printer model and monthly page volume, I can give you a clearer “worth it vs overpaying” verdict.

Xerox
Xerox - High capacity - black - original - box - toner cartridge - for VersaLink C625, C625V_DN

Brother Supplies
Brother LC3213 Value Pack - 4-pack - black, yellow, cyan, magenta - original - ink cartridge - for Brother DCP-J772DW, DCP-J774DW, MFC-J890DN, MFC-J890DW, MFC-J890DWN

Xerox
Xerox - 5-pack - 5000 staples - staple cartridge - for VersaLink B415/DN, B415V_DN, C415/DN, C415V_DN, C625V_DN

Xerox
Xerox - Black - compatible - toner cartridge (alternative for: HP 55X) - for HP LaserJet Enterprise MFP M525, LaserJet Enterprise Flow MFP M525