Samsung's unified driver uld_v1.00.06.tar.gz, available from http://org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx?CDSite=UNI_UK&CttFileID=2041645&CDCttType=DR&ModelType=N&ModelName=CLX-3175&VPath=DR/201310/20131024133933517/uld_v1.00.06.tar.gz contains a CLP-410 ppd file, I don't know if that is the same one shipped with RH7. John