You can embed code in the document to switch a PCL enabled printer to duplec
Insert a set of field braces by pressing Ctrl+F9.
Within the field braces, enter the following: Print 27"&l1S"
Collapse the field by press Shift+F9.
To check
Select the whole document
Uncollapse fields
Search for the print statement
Delete any you find
Recollapse any other fields