Samsung SF-5800 - Manual (Page 15)

1.6
Set Up Your Machine
Printer Exit Tray
Holding the flexible side end, insert two tabs on the side ends into
the corresponding slots.
Fold out the extender, if necessary.
Extender
Telephone Line
Plug one end of the telephone line cord into the TEL LINE jack and
the other end into a standard phone wall jack.
TEL LINE
EXT. LINE