Oki CX1145 MFP Operator's Manual For Basic Function page 35

4.Setting Copy Paper (Cont.)
11 Press the paper size button corresponding to the paper that has been
1
set in the drawer.
12 When you want to change the setting of the drawer for special uses
(! P.38), press the paper type button.
13 Press the [ENTER] button.
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1.BEFORE USING EQUIPMENT