Hello,
I have tried this in DIAdem 9.01 with you files, printed to BMP and laser printer and found no problem.
Please download and try version 9.01:
http://digital.ni.com/softlib.nsf/websearch/01A92A27DC1D22E786256E7D007C6496?opendocument&node=132060_US
Let me know if this doesn't help and I will investigate further.
Otmar
Otmar D. Foehner