I have this problem with a Konica Minolta C220 (KM C360 pcl, ps, xps drivers) and a KM C452 (KM C652 pcl drivers).
Computers are Dell T5500 and T5400 on windows7 x64 Solidword 2010 sp5.
It works fine with an old KM C20 and a KM C253 (C353 pcl driver).
How correct this problem ?
I will try a firmware update of the KM C220, but not very sure that it will change something.
If somebody have any idea, by advance thank's.