Konica Minolta Magicolor 2550 - Manual (Page 163)

Duplex Option 149
4
Install the duplex option.
Note
When attaching the duplex option, attach the bottom of the option first,
as shown. If the duplex option is attached incorrectly, it may be
damaged.
5
Open the cover of the duplex
option.
!"
Since the duplex option is
not yet secured to the
printer, hold the duplex
option in place when
opening its cover.