pdfPrintSetPrinter

Set the printer name.
void pdfPrintSetPrinter(PDFHandle pdf, wchar_t *name)
This function sets the printer name, as a Unicode string, to be used by pdfPrint4 and pdfPrintToDC2.

pdfPrintResetParams resets this to its default value, which is to print to the system default printer.

C:
pdfPrintSetPrinter(pdf, L"printer55");
pdfPrintResetParams