HP LaserJet 3055 - Manual (Page 151)

To change the default 2-Sided setting
1. On the all-in-one control panel, press Menu .
2. Use the < or the > button to select Copy setup, and then press .
3. Use the < or the > button to select Default 2-sided, and then press .
4. Use the < or the > button to select the option for how you normally want to use the automatic
duplexer when you copy documents.
5. Press to save the selection
ENWW Using automatic two-sided printing (duplexing) to copy documents (HP LaserJet
3390/3392 all-in-one)
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