Paper SourcesTypes and Sizes of Paper You Can UsePaper can be loaded in cassette 1 (A) and in cassette 2 (B).On top, cassette 1 (A) holds all sizes of paper that are compatible with the machine, such as plain paper,photo paper, and envelopes.Below it, cassette 2 (B) holds A4, Letter, Legal, Oficio, B-Oficio, M-Oficio, Foolscap, and Legal (India)-sized plain paper.Supported Media TypesTo avoid running out of paper, you can load the same size of plain paper (A4, Letter, Legal, Oficio, B-Oficio, M-Oficio, Foolscap, or Legal (India)) in both cassettes and set the machine to automatically switchto the other cassette when the first one is empty.Cassette settingsNote• When printing, select the correct sizes and types of paper. Incorrect page size and media typesettings may cause feeding from the wrong paper source, or print quality may be affected.For instructions on loading paper in a cassette, see these sections.Loading Plain Paper / Photo PaperLoading EnvelopesAdjusting the cassette to the Size of Paper UsedThe cassette can be adjusted to three lengths. To extend the cassette, hold down the lock (C) as you pullthe front toward you.173