| HP LaserJet 4600, LaserJet 4600dn, LaserJet 4600dtn, LaserJet 4600hdn, LaserJet 4600n. Compatible toner cartridge for use with HP LaserJet 4600 laser printers. To replace HP C9721A cyan toner cartridge. Yields 8,000 pages at 5% coverage. 2 year shelf life. Includes attached electronic chip to measure toner levels. |
