HP 81 Light Cyan Standard Yield Ink Cartridge (C4934A) is compatible with the following HP printers:
HP Designjet 5000,5500 series.

Quality and reliability—prints you can take pride in
Keep your memories alive with reliability you can trust. On average, Original HP inks print more than 2x the pages than non-HP inks tested.

Sustainability—feel good about printing with recycled materials
Using recycled content in our ink cartridges helps to reduce HP's carbon footprint in plastics by up to 30%.

Indoor air quality—consideration for the air where you live and work
HP cartridges meet indoor air quality eco-label emission standards to help protect you and your employees from exposure to elevated levels of VOCs.

Security—protect your printer and your data
HP is vigilant about mitigating security risks to help reduce the risk of malicious code entering your computer or network from your cartridge.

hp designjet 5000

HP 727 DesignJet Printhead (B3P06A)

HP DesignJet T950 Wireless Color Wide Format Print Only Inkjet Printer, Best for Office (2Y9H1A#B1K)

HP DesignJet T2600 PostScript Color Inkjet Print-Scan-Copy Printer, Black (3XB78A#B1K)

HP DesignJet T950 Wireless Color Wide Format All-in-One Inkjet Printer, Best for Office (2Y9H3A#B1K)