HEWLETT-PACKARD Hewlett Packard 21A - HP 110-volt User Maintenance Kit Maintenance / Upgrade Kit for Laser Jet 4250 and 4350 Series Printers(sold individua... "error 4250" Questions

hp printer 4250 is error 50.0 Fuser Error, Replace the Fuser (Part Number RM1-1082) In the rear behind the door very easy to do.

...Fuser Unit" error message HP did you hust replace the fuser? make sure it is the model type/ for example a 4200 does not work in a 4250 they fit and look exactly alike,but, are not