Solution
1. Press [Additional Functions].
2. Use [Left cursor] or [Right cursor] to select [FAX SETTINGS], then press [OK].
3. Use [Left cursor] or [Right cursor] to select [PRINTER SETTINGS], then press [OK].
4. Use [Left cursor] or [Right cursor] to select [2-SIDED PRINT], then press [OK].
5. Use [Left cursor] or [Right cursor] to select desired setting, then press [OK].
[ON]: Print received documents on both sides of the paper.
[OFF]: Print received documents on one side of the paper.
6. Press [Stop/Reset] to return to the standby mode.
