To Designate a Default Print Style

Open the DGN file or DGN library that contains the print style.
Do one of the following:

Select File > Print > Print Styles.

or
From Print Organizer, select Tools > Define Print Styles.

The Print Styles dialog opens.
Select the print style you want to designate as a default print style.
Click the Default Print Style icon.
Click the Save icon.
Exit the Print Styles dialog.
Save the active DGN file or DGN library.