Print Head 950 951 Print Head Nozzle Printer Replacement Parts For Officejet Pro 8100 8600 8610 8620 8650 251DW 251 Printhead Replacement print head compatible with Officejet Pro 8100, 8600, 8610, 8620, 8650, 251DW, and 251 series printers.Designed to restore printing performance, this print head includes a nozzle assembly that supports accurate ink delivery.Installs directly into the printer without additional tools.consistent output for documents and images.Matches specifications for fit and function. This replacement part is independently produced.All brand references are for compatibility demonstration only.