I can reproduce this on 10.10. My margins are large enough that nothing
is getting cut off, but the margins are about 1/4 inch too large. This
would have gone unnoticed, except that my university measures the
margins of theses and dissertations with a ruler. LPR prints pages with
the correct margin
Trying to get around the delay, I went in to gconf-editor and turned off
animations. The panel started appearing in the upper left corner,
despite the drawer icon being in the lower right corner. When I re-
checked "enable animations", the panel stopped appearing all together.
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gnome panel draw