Kyocera KM-4850w Operation Manual page 122

[Cassette] field: Selection is possible between "Auto Source Selection", "Cassette 1" (option), "Cassette 2",
"Cassette 3" and "Bypass Tray".
[Linear Measure Adjustment] settings: Adjust the 1:1 magnification ratio for each type of paper.
NOTE
The [Linear Measure Adjustment] settings will be invalid whenever you print with the [Auto Rotate]
function.
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