Samsung ML-2955ND-XAA - Manual (Page 27)

Media and tray
27 2. Menu overview and basic setup
Paper quantity indicator shows the amount of paper in the
tray.
1 Full
2 Empty
Paper type available for duplex printing
Depending on the power voltage your machine uses, available paper
types for duplex printing differs. Refer to the below table.
Power
voltage
Available paper
110V Letter, Legal, US Folio, Oficio
1 2
220V A4
Power
voltage
Available paper