Oki C 5200n - Manual (Page 12)

PAPER RECOMMENDATIONS > 12
FACE DOWN STACKER
The face down stacker on the top of the printer can hold up to 250
sheets of 80g/m² standard paper, and can handle paper stocks up to
176g/m². Pages printed in reading order (page 1 first) will be sorted
in reading order (last page on top, facing down).
FACE UP STACKER
The face up stacker at the rear of the printer should be opened and the
tray extension pulled out when required for use. In this condition
paper will exit via this path, regardless of driver settings.
The face up stacker can hold up to 100 sheets of 80g/m² standard
paper, and can handle stocks up to 203g/m².
Always use this stacker and the multi purpose feeder for paper stocks
heavier than 176g/m².
DUPLEX UNIT
This option provides automatic two - sided printing on the same range
of paper sizes as tray 2 (i.e. all cassette sizes except A6), using paper
stocks from 75-105g/m².
NOTE
The duplex unit comes as standard with C5400dn.