Canon PIXMA iP4200 Series Quick Start Manual page 16

Basic Printing
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Adjust the size of the Cassette.
When loading A5- or larger sized paper (nonstandard-size paper: 203 mm / 8 inches
or more in length), extend the Cassette.
When loading 5" x 7"- or smaller sized paper (nonstandard-size paper: less than 203
mm / 8 inches in length), do not extend the Cassette.
Legal-sized paper and 2.13" x 3.39"/ 54.0 x 86.0 mm size paper, and
Photo Stickers are not loadable in the Cassette.
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