yes, this is a known issue.
a couple of different solutions -
set up multiple printers on your app server that redirect to network printers that are local to the clients.
http://www.degenio.com/index_files/unix_printing_oracle_reports.pdfor use J2EE app server to route requests for you
http://www.oracle.com/technology/products/reports/htdocs/getstart/examples/Tools/thinclient/thinclient/Readme.html