Konica Minolta magicolor 1690MF - Manual (Page 268)

Duplex Option 10-9
WARNING!
This machine weighs approximately 21 kg (46 lb) when it is fully loaded
with consumables.
5
Open Tray 1 and reattach the dust cover.
Next, install the duplex option.
Installing the Duplex option
"
The illustrations in the following installation procedure show the
machine with Tray 2 installed; however, the installation procedure
would be the same if the attachment was installed.
1
Turn off the machine and discon-
nect the power cord and inter-
face cables.