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Two rectangular black toner cartridges side by side in clear plastic wrap

eSquareOne

eSquareOne S1-BR-TN850-02 toner cartridge 2-pack black 8000 pages

SKU CH-29B6-Y8VM0

Two black high-yield toner cartridges replace Brother TN850 and TN820 for compatible DCP, HL and MFC printers, each rated at 8000 pages

  • Cartridge Quantity2 Pack
  • Cartridge ColorBlack
  • Replacement BrandBrother
  • Replacement ModelBrother TN850 TN820
  • Compatible ProductsBrother DCP-L5500DN DCP-L5600DN DCP-L5650DN HL-L5000D HL-L50
  • Approximate Page Yield8000 Pages
  • Two high-yield black cartridges deliver up to 8000 pages each at 5% coverage
  • Replaces Brother TN850 and TN820 originals for direct drop-in compatibility
  • Works across a wide range of Brother DCP, HL and MFC laser printers
  • Engineered under ISO 9001 and ISO 14001 quality and environmental management systems
  • Operates reliably from 10 to 32.5 °C and 20 to 80 % relative humidity

Two-pack compatible toner for Brother TN850 TN820

This eSquareOne set contains two black toner cartridges built to replace Brother TN850 and TN820 originals. Each cartridge is rated for approximately 8000 pages at five percent coverage. The pack suits offices and workgroups that use the listed Brother mono laser printers and want a lower-cost supply option.

Suits owners of listed Brother mono lasers needing

Buyers with Brother DCP-L5500DN, HL-L5200DW, MFC-L5700DW or any other model named in the compatibility list can use these cartridges. Shops that need colour output, printers outside the listed series, or original Brother supplies should look elsewhere.

Yield of 8000 pages per cartridge at five percent

The key specification is the rated yield of 8000 pages per unit measured at five percent page coverage. If your print volume or coverage pattern differs significantly, actual page counts will vary.

Highlights

  • Two high-yield black cartridges deliver up to 8000 pages each at 5% coverage
  • Replaces Brother TN850 and TN820 originals for direct drop-in compatibility
  • Works across a wide range of Brother DCP, HL and MFC laser printers
  • Engineered under ISO 9001 and ISO 14001 quality and environmental management systems
  • Operates reliably from 10 to 32.5 °C and 20 to 80 % relative humidity

Specifications

BrandeSquareOne
ModelS1-BR-TN850-02
Cartridge Quantity2 Pack
Cartridge ColorBlack
Replacement BrandBrother
Replacement ModelBrother TN850 TN820
Compatible ProductsBrother DCP-L5500DN DCP-L5600DN DCP-L5650DN HL-L5000D HL-L5000DN HL-L5200DW HL-L5200DWT HL-L6200DW HL-L6200DWT HL-L6250DW HL-L6300DW HL-L6400DW HL-L6400DWT MFC-L5700DW MFC-L5800DW MFC-L5850DW MFC-L5900DW MFC-L6700DW MFC-L6750DW MFC-L6800DW MFC-L6900DW
Approximate Page Yield8000 Pages
Coverage5%
TypeCompatible
FeaturesThis is an eSquareOne alternative replacement for OEM product, replaces Brother TN850 TN820 Black toner cartridges. eSquareOne Toner cartridges are engineered to meet the highest standard of quality, yield and reliability.
OptionTN850
Operating Humidity20 to 80% RH
Storage Humidity20 to 80% RH
Operating Temperature10 to 32.5°C
Storage Temperature-20 to 40°C

Questions about this item

Will these eSquareOne S1-BR-TN850-02 cartridges work in my Brother HL-L5200DW alongside the original drum unit?

Yes, each cartridge replaces Brother TN850 and TN820 and is listed for the HL-L5200DW, so it fits the existing drum without modification.

How can I verify the 8000-page yield per cartridge is being met after installation?

Print until the printer signals low toner, then check the page counter; at 5% coverage each cartridge should deliver roughly 8000 pages.

Does the 2-pack include any installation guides or do I need to buy a separate drum unit?

The box contains two black toner cartridges and installation notes; a drum unit is not included and must be purchased separately if yours is worn.

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