You can print/share documents from Pages, Numbers or Keynote using the steps below

1. 1) Tap on the action button (square with arrow or "...") button in Pages, Numbers or Keynote
2. 2) Select "Send a Copy" in the menu
3. 3) Tap on the document you want to print/share
4. 4) Choose the "Pages" or "PDF" format
5. 5) Select PrintCentral Pro from the list in the share dialog. If you have a lot of apps swipe right to left on the black box if you do not see PrintCentral Pro first off
6. 6) PrintCentral Pro will now open and the Print window should appear, then tap on "Print"