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Black HP 641A toner cartridge in rectangular box

HP

HP 641A (C9720A) Black Toner Cartridge 9000 Pages

SKU CH-ANQN-A21K8 MPN C9720A

Genuine HP black toner cartridge yielding approximately 9000 pages for HP Color LaserJet 4600 and 4650 series printers

  • Cartridges includedSingle Pack
  • Ink or toner colorBlack
  • Estimated page yield9000 Pages
  • Print coverage5%
  • Operating humidity range20 to 80% RH
  • Storage humidity range10 to 90% RH
  • Genuine HP toner ensures reliable prints
  • 9000-page yield at 5% coverage reduces replacements
  • Works with HP 4600 and 4650 series printers
  • Operates in 20 to 80% humidity environments
  • Stores safely from -4 to 104°F

Genuine HP 641A Black Toner Cartridge

This genuine HP 641A black toner cartridge is manufactured by HP for use in HP Color LaserJet 4600 and 4650 series printers. It arrives new in a single pack and carries the manufacturer part number C9720A. The cartridge is engineered to deliver consistent black output across its rated life.

Suits owners of listed LaserJet models

Offices and home users with an HP Color LaserJet 4600, 4600dn, 4600dtn, 4600hdn, 4600n, 4610n, 4650, 4650dn, 4650dtn, 4650hdn or 4650n will find this cartridge a direct fit. Buyers who need colour toner, a multi-pack, or a cartridge for a different printer series should look elsewhere.

Rated yield of 9000 pages at 5% coverage

The cartridge is rated for approximately 9000 pages when printed at 5% coverage. Actual page count will vary with document density, print settings and environmental conditions such as humidity and temperature.

How it compares

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

Price $122.99
Typical for this category: the median of 3,670 items is $112.99.

Specifications

Product
Brand nameHP
Model nameHP 641A (C9720A)
Ink or toner colorBlack
Performance
Estimated page yield9000 Pages
Print coverage5%
Compatibility
Replacement forHP
For use withHP Color LaserJet 4600, 4600dn, 4600dtn, 4600hdn, 4600n, 4610n, 4650, 4650dn, 4650dtn, 4650hdn, 4650n
In the box
Cartridges includedSingle Pack
Environment & compliance
Operating humidity range20 to 80% RH
Storage humidity range10 to 90% RH
Operating temperature range50 to 86 °F (10 to 30 °C)
Storage temperature range-4 to 104 °F (-20 to 40 °C)

Questions about this item

What part will need replacing after about 9000 pages?

The HP 641A (C9720A) black toner cartridge itself is replaced once the roughly 9000-page yield at 5% coverage is reached.

What limit appears first during long print runs?

The page yield of approximately 9000 pages at 5% coverage is the primary limit; the cartridge stops delivering toner once that volume is printed.

How much heat does the cartridge add when the printer runs all day?

The cartridge operates within the printer's specified range of 50 to 86°F and does not generate additional heat beyond normal laser printing operation.

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