Subtract to 20

1. Tap Print. Then tap Printer at the top and pick your printer.
2. Don't see your printer? Your iPhone and printer must be on the same Wi-Fi. Turn the printer off and on, then wait one minute.
3. Still missing? Your printer may not work with iPhone (it needs AirPrint). Most printers made after 2012 do. Your printer's own app, like HP Smart or Epson Smart Panel, can also print a PDF.
4. Sheet looks small? Before you print, check that paper size is Letter (or A4) and scaling is 100%, not Fit to page.
5. Printing on both sides? The answer key will land on the back. Turn off Double-sided, or print page 1 only.
6. Tap Print, pinch the preview open, then tap Share and Save to Files.

Easiest fix: in the print screen, tap Share, then Save to Files. Print the file from a computer.

1. Tap Print. At the top, tap the printer name, then pick your printer.
2. Don't see it? Tap All printers, then Add printer. Your phone and printer must be on the same Wi-Fi.
3. Still missing? Install your printer's app (HP Smart, Epson iPrint, Canon PRINT, or Brother Mobile Connect). Then try again.
4. No printer nearby? Pick Save as PDF at the top. Print the file later.
5. Sheet looks small? Set paper size to Letter (or A4) before you print.
6. Printing on both sides? The answer key will land on the back. Choose one-sided, or print page 1 only.
7. Tap Print, then pick Save as PDF as the printer.

Easiest fix: tap Save PDF, then print the file from a computer.

1. Click Print. In the print window, pick your printer.
2. Set Scale to 100% (or Actual size). Don't use Fit to page.
3. Turn off Headers and footers so the web address doesn't print on the sheet.
4. Printing on both sides? The answer key will land on the back. Choose one-sided.
5. In the print window, pick Save as PDF as the destination.

Easiest fix: tap Save PDF, then print the file from a computer.