Printing both sides of the substrate at the same pass through a printing machine.
Process, which prints both sides of paper on a single pass through the printing press.
Printing the second side of a sheet; backing-up.
The technical term for printing the second or reverse side of a sheet.
Where the both sides of a page is printed in one pass of the press.
Printing both sides of the paper (or other material) on the same pass through the printing machine.