Get the best results from your HP printing system. HP Smart technology[1] and chemically-grown toner formulas in HP 645A LaserJet Toner Cartridges work with your printer to deliver accurate, consistent color and reliable, cost-effective performance.
Consistently accurate color and precise images with HP chemically-grown toner
Optimal print quality with new image mode feature
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
Color(s) of print cartridges | Black |
Print technology | Laser |
Part Number | C9730A |
Page yield (black and white) | ~13,000 pages |
Page yield footnote | Approximate yield based on 5% average coverage. Actual yields vary considerably based on content of printed pages and other factors. |
Operating temperature range | 59 to 77°F |
Storage temperature range | -4 to 104°F |
Operating humidity range | 20 to 80% RH |
Storage humidity | 10 to 90% RH |
Package dimensions (W x D x H) | 19.69 x 6.3 x 10.43 in |
Package weight | 6.38 lb |
What's in the box | Toner cartridge; Recycling guide |
Compatible Printers |
HP Color LaserJet 5550 (Q3713A) HP Color LaserJet 5550hdn (Q3717A) |