- IT Support
How to Choose the Right IT Support Provider for Your Business
15 Jan, 2026





£90.43 inc. VAT
AI-generated summary
At £75.36 ex-VAT for an original Brother magenta TN-421M, you’re paying for predictability: good print quality, reliable colour, and less messing about with “compatible” toner issues like streaking or uneven coverage. If your office relies on colour accuracy (reports, marketing-ish internal docs, branded templates) and you’d rather not troubleshoot print quality every time you change a cartridge, this is the kind of straightforward spend that tends to pay off in time saved and fewer surprises.
That said, it’s not a bargain. If you’re mainly printing rough drafts, invoices, or black-and-white work with occasional colour, you’ll feel the cost quickly—especially if your printer isn’t used heavily, because toner value is mostly about consumption. I’d buy this only if (1) you’re confident it matches your Brother model exactly, and (2) you print colour often enough to justify OEM pricing. If you print magenta rarely or you’re cost-sensitive, you may be better off comparing against reputable non-OEM options—just don’t expect “set and forget” colour consistency every time.

Brother Supplies
Brother TN2005 - Black - original - toner cartridge - for Brother HL-2035, HL-2037

Xerox
Xerox - Black - original - toner cartridge - for Xerox C230, C230/DNI, C230V_DNIUK, C235, C235/DNI, C235V_DNIUK

Brother Supplies
Brother TN243M - Magenta - original - toner cartridge - for Brother DCP-L3510CDW, DCP-L3517CDW, DCP-L3550CDW, DCP-L3550DW, MFC-L3730CDN

Xerox
Everyday - Black - compatible - toner cartridge (alternative for: Canon CRG-125, HP CB435A, HP CB436A, HP CE285A) - for Canon imageCLASS LBP6030, HP LaserJet Pro M1132, M1212, M1217, P1102, P1109