Kyocera TASKalfa 306ci Operation Manual page 119

Preparation before Use > Loading Paper
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Gently push the cassette back in.
Display the screen.
[System Menu/Counter] key > [Cassette/MP Tray Settings]
Select a function.
Select [Cassette 3].
Configure the function.
Select the paper type
Cassette 1 (to 4) (page 8-8)
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