To print your documents and photos, you need to first connect your HP printer and iPhone. So, first, turn on the HP Printer, fill the ink cartridges, and load the plain paper into the printer. Now, to understand how to print from iPhone 6 to HP Printer, you need to open the document which you need to print and then click on the share icon. And then click on the ‘Print’ icon on the screen to open the hp printer option. Now, select your printer and change the settings on the print screen. This is how you can find out how to print from your iPhone to your HP printer.