Konica Minolta BIZHUB C30P - Manual (Page 251)

Duplex Option 237
3
Remove the door at the side of
the right side cover.
4
Prepare the duplex option.
"
Before installing the
duplex option, open the
duplex cover, and then
check that the knob is
positioned as shown in
the illustration. Then,
close the duplex cover.
5
Attach the duplex option, as
shown in the illustration.