Konica Minolta magicolor 7450 grafx - Manual (Page 228)

Duplex Option 214
9
While pressing on the inside the
cover of the duplex option,
secure the duplex option with
the two screws.
"
Use a coin to install the
screws.
10
Close the duplex cover.
11
Insert the connector on the
duplex option into the connector
on the machine.