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Brother TN-421 and TN-423 Toner: Model Checks

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Guide updated: 16 October 2026.

Brother TN-421 and TN-423 are toner reference codes. Do not choose by code name alone: check the full model printed on your Brother printer and the code and colour on the toner currently installed.

Brother TN423 toner cartridge, image retained from the original article

Check your Brother printer and toner code

The original 2018 article listed the following machines. Treat this list as a historical starting point, not a current compatibility guarantee; model suffixes, region and the exact TN code matter.

  • Brother DCP-L8410CDW
  • Brother HL-L8260CDW
  • Brother HL-L8360CDW
  • Brother MFC-L8690CDW
  • Brother MFC-L8900CDW
  1. Read the complete printer model from the machine label or printer menu.
  2. Check the toner label for its full TN code and colour.
  3. Compare both against the current product listing, including pack contents and whether it is original or compatible.
  4. If the listing does not clearly confirm your exact model and code, ask us before ordering.

Search the online catalogue for TN423 products or use our printer cartridge quote form if you would like us to check the details.

For help, call Cartridge Care on 0161 738 1066, Monday to Friday, 9am–6pm. Availability, price, delivery and collection options vary; please confirm them when enquiring. For the Manchester branch, call 0161 738 1465.