This PDF download contains information for the following:
DV448AEW/XAA DV419AEW DV419AGW DV419AEW/XAA DV419AGW/XAA DV419AEU/XAA
The PDF may also contain information that applies to additional models not listed.
Samsung Dryer DV448AEW Service Manual
Service Information For Appliance Repair Professionals