Epson Aculaser CX21N Series User Manual page 53

Doing duplex printing manually
1. Click the Basic Settings tab.
2. Make sure that the Manual Feed check box is off.
Note:
The manual feed function is not available when using the manual duplex function.
3. Select the Duplex (Manual) check box, then select Left, Top, or Right as the binding
position.
4. Click Duplex Settings to open the Duplex Settings dialog box.
Using the Printer Software with Windows
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