Boost efficiency, using   HP 70A LaserJet toner cartridges. Enhanced HP toner fuses quickly to documents for fast printing with outstanding quality.very reliable 

Get quick and easy installation, plus exceptional value with optional high-capacity cartridges.

Produce professional-quality documents and get trouble-free printing for your business.

Print crisp text and sharp, black graphics page after page.

  HP LaserJet toner cartridges are designed and tested with the printer for consistent results.

Get outstanding results without worrying about smudges or leaks.  Formulated to prevent print head damage

Legal disclaimer: HP Toners and Inks sold must be original and manufactured by the brand owners. Please be aware that HP will not honor warranties for any or all counterfeit products or products sold or supplied via unauthorized offline and/or online distribution channels.
HP brand and our affiliates strongly encourage our clients and potential clients to avoid any counterfeit products by all means that are falsely distributed via unauthorized online and/or offline distribution channels. Online offers of supplies are monitored and will be reported to authorities in case evidence of counterfeit or fraud is identified. Any merchant flagged for selling counterfeit HP Cartridges or violating policies against counterfeit sales would have their stores suspended.
Not sure if you have Original HP printing supplies, See here //www.hp.com/us-en/cartridge/anti-counterfeit.html