The term, PCL files in relation to InterForm400 covers two kinds:
1.Input PCL files. You can use PCL files as a graphical element like an image. There are several limitations for PCL files, so if possible you should consider a normal image instead.
2.Output PCL files. The merges laser print spooled files contains PCL commands, but you can even make InterForm400 make the merge into a PCL file in the IFS.