Enjoy accurate, consistent color and the best performance your HP printer has to offer with HP 645A LaserJet Toner Cartridges-the all-in-one design that makes high-quality color printing easy, reliable, and cost-effective. Chemically-grown toner formulas in HP toner cartridges are designed together with the printer. The uniform size and spherical shape of HP toner particles ensure a broad range of colors and precise control and placement for accurate color and precise image reproduction.

• Consistently accurate color and precise images with HP chemically-grown toner
• Cost-effective operation with all-in-one HP toner cartridges
• Easy to use automatic alerts, on-line ordering with HP Smart printing technology

• Outstanding color
  Consistently accurate color and precise images with HP chemically-grown toner.
  Optimal print quality with new image mode feature.
• Reliable, cost-effective
  Cost-effective operation with all-in-one HP toner cartridges.
  HP Smart technology tunes particle charge for reliable results.
  Rated A+ for service and reliability, PC Magazine August 2003.
• Easy to use
  Easy to use automatic alerts, on-line ordering with HP Smart printing technology.
  When a color cartridge runs out, continue printing with the black cartridge.
  Easy to use and install with HP Smart printing technology.

Main Specifications

Product Description	HP 645A - cyan - original - LaserJet - toner cartridge (C9731A)
Product Type	Toner cartridge
Printing Colour	Cyan
Duty Cycle	Up to 12000 pages at 5% coverage
Printing Technology	Laser
Cartridge Features	HP Smart printing
Product Recycled Content	17 %
HP Sub-brand	LaserJet
Compatible with	Color LaserJet 5500, 5500dn, 5500dtn, 5500hdn, 5500n, 5550, 5550dn, 5550dtn, 5550hdn, 5550n

Extended Specifications