Samsung ML-2251NP - Manual (Page 187)

I NSTALLING P RINTER O PTIONS
E.10
Installing an Optional Paper Tray
You can increase the paper handling capacity of your printer by
installing an optional Tray2. The optional paper tray consists of
two components; the support unit and the paper tray.
1 Turn off the printer and unplug all cables from the printer.
2 Remove the tape fastening the interface cable from the
bottom of the support unit.
3 Observe the location of the support unit’s tabs.
Support unit
Paper tray