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Four black rectangular toner cartridges in a white box

eSquareOne

eSquareOne S1-BR-TN660-04 Black Toner Cartridge 4-Pack

SKU CH-KB7X-7AN2V

Four compatible black toner cartridges replace Brother TN660 and TN630 for HL-L2300D, HL-L2320D, HL-L2340DW, HL-L2360DW, HL-L2380DW, DCP-L2520DW, DCP-L2540DW, MFC-L2700DW.

  • Cartridges included4 Pack
  • Ink or toner colorBlack
  • Estimated page yield2600 Pages
  • Print coverage5%
  • VariantTN660
  • Operating humidity range20 to 80% RH
  • High-yield 2600-page output per cartridge at 5% coverage
  • Four black cartridges replace Brother TN660 and TN630
  • Works with HL-L2300D HL-L2320D HL-L2340DW HL-L2360DW HL-L2380DW
  • Operates from 10 to 32.5°C and 20 to 80% RH
  • ISO 9001 and ISO 14001 quality management standards

Four-Cartridge Black Set

This pack contains four new black toner cartridges built to replace Brother TN660 and TN630 originals. It fits a wide range of Brother HL, DCP and MFC laser printers used in homes and small offices.

2600 Pages Per Cartridge

Each cartridge is rated for approximately 2600 pages at five percent coverage, giving the set a combined yield of over ten thousand pages. Heavy graphics or dense text will reduce the actual page count before replacement is needed.

ISO-Certified Production

The cartridges are manufactured under ISO 9001 and ISO 14001 quality and environmental management systems. The box includes installation notes and the supplier backs the set with a two-year guarantee and free replacement if a unit fails.

How it compares

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

Price $43.99
Cheaper than about 54% of the 15,190 comparable items (median $47.99).

Specifications

Product
Brand nameeSquareOne
Model nameS1-BR-TN660-04
Ink or toner colorBlack
Product typeCompatible
Performance
Estimated page yield2600 Pages
Print coverage5%
Compatibility
Replaces brandBrother
Replacement forBrother TN660 TN630
For use withBrother HL-L2300D HL-L2320D HL-L2340DW HL-L2360DW HL-L2380DW DCP-L2520DW DCP-L2540DW MFC-L2700DW MFC-L2740DW MFC-L2720DW
In the box
Cartridges included4 Pack
Environment & compliance
Operating humidity range20 to 80% RH
Storage humidity range20 to 80% RH
Operating temperature range10 to 32.5 °C
Storage temperature range-20 to 40 °C
More details
VariantTN660

Questions about this item

Will these cartridges fit the Brother HL-L2340DW I already own?

Yes, the pack is compatible with the HL-L2340DW and the full list of Brother HL-L, DCP-L and MFC-L models shown in the specifications.

How do I confirm each cartridge is printing at the rated 2600-page yield after installation?

Print a test page and check the printer’s page counter; each cartridge is rated for 2600 pages at 5% coverage under normal office conditions.

Does the box contain four separate black cartridges or a single multi-pack unit?

The box holds four individual black toner cartridges, each sealed and ready to install, with installation notes included.

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