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Rectangular magenta toner cartridge in HP branded packaging

HP

HP C9733A 645A Magenta Toner Cartridge

SKU CH-4ASB-NRM6M MPN C9733A

Magenta toner cartridge for HP Color LaserJet 5500 and 5550 series, yielding approximately 12000 pages at five percent coverage

  • Cartridges includedSingle Pack
  • Ink or toner colorMagenta
  • Estimated page yield12000 Pages
  • Print coverage5%
  • Operating humidity range20 to 80% RH
  • Storage humidity range10 to 90% RH
  • Consistent colour accuracy from chemically-grown toner
  • Up to 12000 pages per cartridge at 5% coverage
  • Smart printing technology enables automatic alerts and easy ordering
  • Designed for HP Color LaserJet 5500 and 5550 series printers
  • Reliable operation across 20 to 80% humidity and 59 to 77°F

Genuine HP 645A Magenta Toner Cartridge

This genuine HP C9733A magenta toner cartridge is designed for HP Color LaserJet 5500 and 5550 series printers. It delivers consistent color output for office documents and graphics using original HP Smart printing technology.

Suits owners of listed LaserJet models.

This cartridge fits only the HP Color LaserJet 5500 and 5550 series devices named in the compatibility list. Buyers with different printer models or those needing cyan, yellow or black toner must select the correct cartridge for their hardware.

Approximate yield of 12000 pages at 5% coverage

The cartridge yields approximately 12000 pages based on standard 5% coverage testing. Actual page counts vary with document density and print settings, so high-coverage jobs will reduce the total output.

How it compares

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

Price $486.99
Pricier than about 91% of the 3,670 comparable items (median $112.99).

Specifications

Product
Brand nameHP
Model nameHP C9733A (645A)
Part numberC9733A
Ink or toner colorMagenta
Performance
Estimated page yield12000 Pages
Print coverage5%
Size & build
Shipping weight4.08 kg
Package size500 × 264 × 160 mm
Compatibility
Replacement forHP
For use withHP Color LaserJet 5500, 5500dn, 5500dtn, 5500hdn, 5500n, 5550, 5550dn, 5550dtn, 5550hdn, 5550n
In the box
Cartridges includedSingle Pack
Environment & compliance
Operating humidity range20 to 80% RH
Storage humidity range10 to 90% RH
Operating temperature range59 to 77 °F (15 to 25 °C)
Storage temperature range-4 to 104 °F (-20 to 40 °C)

Other versions of this model

3 more in the same range

Questions about this item

Will the HP C9733A fit in my HP Color LaserJet 5550dn?

Yes, the cartridge is listed as compatible with the HP LaserJet 5550 series, including the 5550dn model.

How do I install the cartridge and what step is commonly missed?

Open the printer's top cover, remove the used magenta cartridge by pulling it straight out, unpack the new C9733A, rock it gently to distribute toner, pull the sealing tape completely out, then slide the cartridge in until it clicks firmly into place.

When will I need to replace this magenta toner cartridge?

The cartridge yields approximately 12000 pages at 5% coverage; replace it when the printer indicates low toner or print quality fades.

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