Q: How to print on labels printers (like Datamax or Zebra for example )
A: For these printers , one label is like one page so the page jump function generate the jump to the next label.
So with these printer it's necessary on easybarcodelabel to define a labels format with only one label .

It's also necessary to verify that on the printer driver under windows, the document size corresponds well to the size of label

Q: How to print the EAN13 , EAN8 barcodes with the standard display
A: The standard presentation of the text under the barcodes can be obtain with the software to select the text display "BOTTOM LEFT"

Q: is it possible to use data coming from several field of database as values of a text zone ?
A: It's possible : simply use expression like [*n*] to specify that value come from field value.
So define a text zone like using fixed value and then use these expression on the value.
for example

[*1*][*2*]
will concatenate value of field1 and field2

Q: How to insert EAN128 FNC1 code
A: simply insert symbol ƒ ( ALT+159 ) on the value