Paper Sources to Load PaperThe machine has two paper sources for feeding paper, the cassette (upper) and cassette (lower).The paper source used depends on the page size and media type.Media Types You Can UseNoteWhen printing, select the correct page size and media type. If you select the wrong page size ormedia type, the machine may feed paper from the wrong paper source or may not print with theproper print quality.For details on how to load paper in each paper source, see below.Loading Small Size PaperLoading Large Size PaperLoading EnvelopesLoading Small Size Photo Paper in the cassette (upper)When using small size photo paper, such as 4" x 6" (10 x 15 cm) or 5" x 7" (13 x 18 cm), load it in thecassette (upper).The machine feeds photo paper from the cassette (upper) automatically if you select a page size such as4" x 6" (10 x 15 cm) or 5" x 7" (13 x 18 cm) in the print settings at the operation panel or the printer driver.(A) Photo paper (4" x 6" (10 x 15 cm) or 5" x 7" (13 x 18 cm) size)Loading Large Size Photo Paper / Plain Paper or Envelopes in the cassette(lower)When using large size photo paper or plain paper, such as A4, B5, A5, or Letter, load it in the cassette(lower). You can also load envelopes in the cassette (lower).The machine feeds paper from the cassette (lower) automatically if you select a page size such as A4, B5,A5, or Letter in the print settings at the operation panel or the printer driver.