What paper types can be used in the multi-purpose tray that cannot be used in the cassette?

The multi-purpose tray supports heavy paper up to 163 g/m² (Heavy 2), label paper, and envelopes, which are not supported by the cassette. The cassette is limited to plain paper, recycled paper, color paper, and heavy paper up to 128 g/m² (Heavy 1). Envelopes supported include No.10 (COM10), Monarch, C5, and DL sizes. (Page 13)