Designed under rigorous quality standards for precision performance. Maximize your productivity and avoid downtime. Printhead technology designed in tandem with HP ink cartridges for the best possible performance. Device Types: Laser Printer; OEM/Compatible: OEM; Page-Yield: N/A; Supply Type: Printhead.. C4901A (940) Printhead. For Model Number: HP Officejet Pro 8000, Officejet Pro 8000 Wireless. Includes one printhead.