Further investigation seems to indicate the problem is located in the Qt libraries. The generated PostScript says:
%!PS-Adobe-1.0 %%BoundingBox: 0 0 594 842 %%Creator: Qt 3.3.6 %%CreationDate: ma dec 4 10:14:57 2006 %%Orientation: Landscape %%Pages: 1 Maybe this problem is resolved with a newer version of the Qt libraries? -- printing hatches to PostScript produces spurious lines https://launchpad.net/bugs/74358 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs