Updated December 1, 2021
A signature is defined as a folded press sheet; therefore, a 17 x 22 press sheet folded twice to 8.5 x 11 will result in an 8-page signature (4 pages per side). Enter the pages/signature in this field.
Note that when viewing the layout of the signature, Eclipse does not show the Final Page Size or Fold marks. These are implied and have no bearing on the size of the signature.