HP 645A Cyan Toner Cartridge (C9731A)
Accurate color, precise image reproduction and crisp, sharp text every time you print. Chemically-grown toner and HP Smart printing system technology deliver consistent results and reliable performance throughout the life of the cartridge.
Save time with all-in-one HP 645A LaserJet supplies. HP Smart technology makes automatic adjustments to optimize print quality and enhance reliability. Minimal user intervention saves time, improves productivity and lowers overall printing costs.
Enjoy low maintenance, trouble-free printing. HP Smart technology in the toner cartridge and your printer makes HP supplies easy to install and maintain. Receive automatic alerts when a cartridge is low or out. Enjoy convenient, on-line ordering.
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.
Page yield color
Page yield footnote
Based on 5% average coverage
20 to 80% RH
10 to 90% RH
59 to 77° F
-4 to 104° F
Package dimensions (W
18.9 x 6.3 x 10.4 in
HP’s Premium Protection Warranty.
Color LaserJet: 5500, 5500dn, 5500dtn, 5500hdn, 5500n, 5550, 5550dn, 5550dtn, 5550hdn, 5550n