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Rectangular cyan toner cartridge with integrated chip, sealed in protective packaging

Ninestar Technology

Ninestar Technology W2121X High-Yield Cyan Toner Cartridge

SKU CH-YBAP-FNNYM MPN W2121X

High-yield cyan toner cartridge with chip for HP Color LaserJet Enterprise M578, M554, M555 series printers

  • Cartridge QuantitySingle Pack
  • Cartridge ColorCyan
  • Replacement BrandHP
  • Replacement ModelW2121X (212X)
  • Compatible ProductsW2121X (212X)
  • Operating Humidity20% to 80%

Cartridge Quantity Single Pack

Cartridge Color Cyan

  • High-yield output with chip for reliable printer recognition
  • Compatible with HP Color LaserJet Enterprise M578, M554, M555 series
  • Cyan toner formulated to meet or exceed OEM quality standards
  • Two-year shelf life supports long-term storage at 20–80% humidity
  • Operates from 10°C to 30°C for consistent office performance

High-Yield Cyan Toner Cartridge

This Ninestar Technology cartridge replaces the HP W2121X (212X) in cyan. It is a single high-yield unit supplied with a chip for printer recognition. The toner is built for HP Color LaserJet Enterprise models M578c, M578z, M554dn, M555dn, M555x, M578dn and M578f.

Offices printing colour documents on supported HP

Suitable for teams needing reliable cyan output on the listed hardware. Not for users of HP printers outside the M554, M555 or M578 series. Not for buyers who require black, magenta or yellow toner in the same purchase.

Chip-enabled high-yield cyan formulation

The cartridge includes a chip so the printer recognises it immediately. High-yield toner volume extends replacement intervals for cyan. Operating range is 10°C to 30°C with 20% to 80% humidity. Shelf life is two years.

Highlights

  • High-yield output with chip for reliable printer recognition
  • Compatible with HP Color LaserJet Enterprise M578, M554, M555 series
  • Cyan toner formulated to meet or exceed OEM quality standards
  • Two-year shelf life supports long-term storage at 20–80% humidity
  • Operates from 10°C to 30°C for consistent office performance

Specifications

Cartridge QuantitySingle Pack
Cartridge ColorCyan
Replacement BrandHP
Replacement ModelW2121X (212X)
Compatible ProductsW2121X (212X)
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

How do I install the W2121X cyan cartridge and what step is often missed?

Open the front door, pull out the old cyan cartridge, remove the orange protective cover and sealing tape from the new W2121X unit, then slide it firmly into the cyan slot until it clicks; the step people miss is forgetting to peel off the sealing tape completely.

What replacement will this cartridge need after it runs out?

Replace it with another W2121X (212X) high-yield cyan cartridge; the chip on the cartridge tracks toner level and signals when a new unit is required.

What limit appears first during long print runs with this toner?

The printer’s operating temperature range of 10 °C to 30 °C is the first limit reached under sustained use; exceeding it can cause print-quality issues or pauses.

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