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PCHUB.UK£82.29Visit shop Brother Black Tn-421Bk Toner-Kit 3K Pages Iso/Iec 19752 For H
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B&Q£132.28Visit shop B&Q - Tn-423Bk Toner CartridgeBlackSingle PackHigh YieldIncludes 1 X Toner CartridgeBrother Genuine Supplies
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The Brother TN-421BK is a genuine black toner cartridge engineered specifically for high-volume office environments and professional home offices. It provides users with crisp, reliable monochrome text and sharp image quality, offering a standard yield of approximately 3,000 pages per cartridge. While it ensures seamless integration and high performance for compatible Brother laser printers, users should note that as an original manufacturer component, it is designed strictly for specific models to maintain print consistency and printer longevity.
| Colour | Black |
|---|---|
| Model Part Number | TN-421BK |
| Brand | Brother |
The TN-421BK has an approximate yield of 3,000 pages based on ISO/IEC 19798 standards.
No, this cartridge is specifically engineered for use with the HL-L8260CDW, HL-L8360CDW, DCP-L8410CDW, MFC-L8690CDW, and MFC-L8900CDW models.
Yes, this is an original (OEM) Brother toner cartridge, ensuring factory-level quality and reliability.
Store them in a horizontal, cool, and dry location, away from light and dust to maintain the integrity of the internal components.
Brother encourages recycling; please check local electronic and office supply recycling programs for proper disposal.
Check the toner levels in your printer settings or gently shake the cartridge side-to-side to redistribute the remaining toner.
Use the internal drum cleaning wire (located on the drum unit) to clear any toner residue that may have accumulated.
Ensure the cartridge is fully seated in the drum unit and that the front cover of the printer is firmly closed.
To install your TN-421BK, turn off your printer, open the front cover, and remove the existing drum unit and toner cartridge assembly. Slide out the old cartridge, insert the new TN-421BK until it clicks into place, and slide the cleaning tab on the drum unit back and forth a few times to ensure a clear print path.
Compatibility: This unit is compatible with the following Brother printer models:
Care Instructions: Store cartridges in a cool, dry place away from direct sunlight. Keep the cartridge in its original packaging until the moment of installation to prevent damage to the toner roller.
