File receiver- newline character between lines

Hi All,
I am doing a file scenario in which i need to create a file with following structure:
Head1     Head2     Head3
Item11     Item12    Item13
Item21     Item22    Item23
Item31     Item32    Item33
I am able to generate a file which is tab delimited however the very first line of "Item" is not coming on new line. The file that i am getting is as follows:
Head1     Head2     Head3    Item11     Item12    Item13
Item21     Item22    Item23
Item31     Item32    Item33
I need a new line between Header and Item. For rest all items lines I am getting a new line.
In my file receiver adaptor in Content Conversion I have made following settings:
HEADER.fieldSeparator = '0x09'
ITEM.fieldSeparator = '0x09'
I tried with following settings as well but i am not getting newline between Header and Item.
HEADER.endSeparator = 'nl'
ITEM.fieldSeparator = 'nl'
Can anybody plz suggest where i am going wrong? Or is there anything else i should do?
Thanks,
Atul

Hi Nisar,
Thanks for ur reply. I tried with the combination you mentioned but i am not sure why it is not working? Is there any prerequisites for this?
I think 'nl' is default value for endSeparator as even if i removed the two parameters i am getting same output.
Thanks,
Atul

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