Custom Media Size entries are missing in the Print Capabilities document for version 4.0 printer drivers

Custom Media Size entries are missing in the Print Capabilities document for version 4.0 printer drivers Applies To Windows Server 2012 R2 Datacenter Windows Server 2012 R2 Standard Windows 8.1 Windows 8.1 Enterprise Windows 8.1 Pro Windows Server 2012 Datacenter Windows Server 2012 Standard...