Specifying gutters The gutter is the area between two rows or columns of partitions in a signature. The gutter allows the logical pages that are printed on the partitions to be easily visible when the sheet is folded. In the Gutters tables, you can double-click a cell or click F2 when a row is selected to start editing. The horizontal gutter is the empty area between two rows of partitions in a signature. The vertical gutter is the empty area between two columns of partitions in a signature. To specify horizontal gutters 1 In the Sheet Layout editor, select Hor. Gutters in the Category tree. 2 Edit the gutter settings. See Horizontal gutters settings. To specify vertical gutters 1 In the Sheet Layout editor, select Ver. Gutters in the Category tree. 2 Edit the gutter settings. See Vertical gutters settings.