PCL Via API

I've posted this question in the General VB Forum but think it is applicable here also. I want to set up an HP Laser to use the PC-8 Symbol table so I can print the graphics line characters to do "boxing" of data in a report. The PCL for PC-8 is:
Chr(27) + "(10U"
As suggested in the other forum, I've used the "Declare Function Escape Lib "gdi32" (ByVal ......)" code as Public in my base module and issued "Escape Printer.hDC, ....." appropriately in form code. However, I'm not getting the graphic charcaters in subsequent Printer.Print statements.
Suggestions please, and thanks.