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Four rectangular black toner cartridges in a row

Ninestar Technology

Ninestar Technology TN450 4 Pack Black High-Yield Toner Cartridge

SKU CH-D0WF-4YZN4 MPN TN450

Four high-yield black toner cartridges replace Brother TN450 and TN420 for MFC, HL and Fax models

  • Cartridge Quantity4 Pack
  • Cartridge ColorBlack
  • Replacement BrandBrother
  • Replacement ModelTN450 TN420
  • Compatible ProductsTN450 TN420
  • Operating Humidity20% to 80%

Cartridge Quantity 2 Pack TN450

  • High-yield black toner prints more pages per cartridge
  • 4-pack bundle supplies a full set for continuous printing
  • Compatible with Brother MFC 7360 7460 7860 HL 2220 2240
  • Works with Brother FAX 2840 2845 2940 IntelliFax 2840 2940
  • Meets or exceeds OEM requirements for reliable quality

Four-pack high-yield black toner

This four-pack of high-yield black toner cartridges replaces Brother TN450 and TN420 supplies. It fits Brother MFC7360, MFC7460, MFC7860, HL2220, HL2240, FAX-2840, FAX-2845, FAX-2940, IntelliFax 2840 and IntelliFax 2940 printers. The cartridges are new and rated for a two-year shelf life.

High-yield volume and warranty-safe use

Each cartridge delivers a high-yield toner volume, reducing the frequency of replacements for offices that print large volumes of monochrome documents. The supplier states that using these aftermarket cartridges does not void the printer's original warranty.

Temperature and humidity operating limits

Reliable operation is specified between 10°C and 30°C with 20% to 80% humidity. Storage outside the -20°C to 40°C range or beyond the same humidity band may degrade print quality or cartridge life. Buyers in uncontrolled environments should note these constraints.

Highlights

  • High-yield black toner prints more pages per cartridge
  • 4-pack bundle supplies a full set for continuous printing
  • Compatible with Brother MFC 7360 7460 7860 HL 2220 2240
  • Works with Brother FAX 2840 2845 2940 IntelliFax 2840 2940
  • Meets or exceeds OEM requirements for reliable quality

Specifications

Cartridge Quantity4 Pack
Cartridge ColorBlack
Replacement BrandBrother
Replacement ModelTN450 TN420
Compatible ProductsTN450 TN420
Operating Humidity20% to 80%
Storage Humidity20% to 80%
Operating Temperature10°C to 30°C (50°F to 86°F)
Storage Temperature-20°C to 40°C (-4°F to 104°F)

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Questions about this item

When will each high-yield TN450 cartridge need replacing?

Each cartridge prints until the printer signals low toner; the 4-pack provides four full replacements.

What limits continuous printing with these TN450 cartridges?

The printer's duty cycle and paper capacity limit sustained runs, not the toner itself.

How much heat do these cartridges add during all-day printing?

Cartridges add no measurable heat; the printer's fuser determines operating temperature between 10 °C and 30 °C.

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