4k-Coupler New Genuine Coupler

New Genuine HP LaserJet 4000 4050 4100 4k-Coupler TECH TIP: This can be a little tricky to install especially on 4000t or Twin Tray Printers. NOTE: The Coupler is what turns the primary pickup Rollers located in the Printer to identify a broken Coupler simply remove the Paper Tray and look to the right of the Separation Roller in the Printer. Normally the Coupler will fall out into the Printers Paper Tray when broken.