PDF Printer in Ubuntu
Regarding how to install PDF printer in Ubuntu:
There is a trick to this, not mentioned in the manual.
After installing cups-pdf, restarting cups, and opening up the New Printer dialog, you need to select the button for Detected printers, and wait a while.
Eventually, PDF Printer will appear in the window.
Now you can select PDF Printer, and continue to next page.
Choose Generic printer, "postscript color printer rev3b",
forward to next screen and give it a name.