Why can’t I see my printer on my iPhone?
If an AirPrint-enabled printer isn’t showing up on your iPhone, head to the printer’s network settings and ensure its Wi-Fi is enabled. Most importantly, make sure the printer is connected to the same Wi-Fi network as your iPhone. If the problem persists, the printer could be blocked or blacklisted on the network.
How do I change the paper settings on my iPhone?
Set paper size, page orientation, and margins on iPhone or iPadWith the document open, tap the More button , then tap Document Setup.In a word-processing document, tap Document. … To change the page orientation, tap Portrait or Landscape.To change paper size, tap an option under Paper Size: