Oki ES6450 User Manual page 31

11
Fix the stacked expansion trays on both sides with accessories by using a flat-head screwdriver.
12
When multiple expansion trays are installed, with the main unit and the expansion trays aligned
on the right side and front, gently stack them so that the protrusions of the expansion tray fit into
the holes on the bottom of the main unit.
13
When the expansion tray is installed, fix the main unit and the expansion tray on both sides with
accessories by using a flat-head screwdriver.
Connecting to the PC after preparing this machine
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