Thanks mate it was helpfull for me.
My problem was about configuration of SAPFTP.
When I change activation type of SAPFTP to Standart on App. Server , its not working for bakground job but file is coming correctly to FTP on working se80/38 , as the same when I change activation type of SAPFTP to Start on Front-end work Station , its working on bakground but file is not coming correctly to FTP, its coming bad charecters.
For this porblem what can I do?