Solution : https://service.sap.com/sap/support/notes/435100 (SAP Service marketplace login required)
Key words :
letter page naturally remain unused, sap-original formats x_65_80, sap standard formats mentioned, creating modified device types, creating customized formats, device types mentioned, kyofs170 device types, european a4 formats, online documentation explains, undefined page size
Related Notes :
| 17895 | Adapting print list formats for customers |