3,500-sheet tray pick-up and

The HP 5851-5011 is a roller assembly for the 3,500-sheet paper tray. It brings together the tray’s pick-up, feed, and separation roller functions in one identified assembly.

This part is listed for tray paper handling, covering the stages that pick up sheets, move them forward, and separate them as they feed. Its reference specifies the 3,500-sheet tray assembly, distinguishing it from roller parts listed for other trays or functions.