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Black rectangular toner cartridge with matte finish and green chip visible

Ninestar Technology

Ninestar Technology TN770 toner cartridge 4500 pages

SKU CH-DZXK-E4NDV MPN TN770

A new super high-yield black toner cartridge delivering 4500 pages for Brother HL-L2370DW, HL-L2379DW and MFC-L2750DW series printers

  • Cartridges includedSingle Pack
  • Ink or toner colorBlack
  • Estimated page yield4500 Pages
  • Replaces brandBrother
  • Replacement forTN770
  • For use withTN770
  • Print up to 4500 pages per cartridge
  • Works with HL-L2370DW, HL-L2370DW XL, HL-L2379DW, MFC-L2750DW, MFC-L2750DW XL, MFC-L2759DW
  • Replaces Brother TN770 original cartridge
  • New super high-yield black toner
  • Two-year shelf life keeps toner ready

Super High-Yield Black Toner

This new aftermarket cartridge replaces the Brother TN770 and delivers an approximate yield of 4500 pages. It fits HL-L2370DW, HL-L2370DW XL, HL-L2379DW, MFC-L2750DW, MFC-L2750DW XL and MFC-L2759DW printers. The single black pack is suited to home offices or small businesses with regular monochrome printing needs.

Consistent Output Over Long Runs

The super high-yield formulation is designed to maintain print density across the full 4500-page rating rather than fading after a short burst. Using this replacement cartridge does not void the printer's warranty. A two-year shelf life supports bulk purchasing for steady workflows.

Drop-In Fit for Listed Models

The cartridge matches the original TN770 shape and contacts so it seats without force or adaptation. No chip transfers or extra steps are required during installation. Buyers who need colour output or a higher page count than 4500 pages should look for a different product.

How it compares

Measured against everything we stock in Compatible Laser Toner, at today’s prices. Recalculated every night.

Price $21.99
Cheaper than about 84% of the 15,190 comparable items (median $47.99).

Specifications

Product
Ink or toner colorBlack
Performance
Estimated page yield4500 Pages
Compatibility
Replaces brandBrother
Replacement forTN770
For use withTN770
In the box
Cartridges includedSingle Pack

Questions about this item

Will the cartridge generate extra heat or noise during long print runs?

The TN770 is a toner cartridge with no moving parts of its own, so it adds no fan noise or measurable heat beyond what the HL-L2370DW or MFC-L2750DW already produce.

Does my printer need any extra parts or firmware before I install this TN770?

No extra parts are required; the cartridge fits directly into HL-L2370DW, HL-L2370DW XL, HL-L2379DW, MFC-L2750DW, MFC-L2750DW XL and MFC-L2759DW models.

Can I keep using my existing drum unit when I switch to this TN770 cartridge?

Yes, the TN770 replaces only the toner supply; the separate drum unit already in your Brother printer continues to work normally.

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