Whan pinting locally - everything is normal, but when printing on the same printer mapped through Universal Printing mechanism, you may experience the following issues:
In order to not affect an original printer, please create a copy of the printer on the client machine (<printername>), so that copy will serve solely the purpose to be redirected through Univeral Printing mechanism.
Open registry in the following location and create the following keys:
Various numbers should to be tested in order to receive an optimal printout.
Usually such behavior is exhibited by non-standard printers like barcode printers.