4 release the scanner lock, 5 install the power cord and phone line, Step 1 – Brother MFC 9840CDW User Manual
Page 8: Setting up the machine, 4release the scanner lock, 5install the power cord and phone line

Setting Up the Machine
6
STEP 1
2
While pressing the green paper-guide release
lever (1), slide the paper guides to fit the paper
size. Make sure that the guides are firmly in the
slots.
3
Fan the stack of paper well to avoid paper jams
and misfeeds.
4
Put paper in the paper tray. Make sure that the
paper is flat in the tray and below the maximum
paper mark.
5
Put the paper tray firmly back into the machine.
4
Release the Scanner Lock
1
Push the lever (1) in the direction to unlock the
scanner.
(The gray scanner lock lever is located at the
back left side, under the docment cover (2) )
5
Install the power cord and
phone line
1
Make sure that the machine power switch is off.
Remove the label covering the AC power inlet.
2
Connect the AC power cord to the machine.
3
Plug the AC power cord into an AC outlet. Turn
the power switch on.
(1)
(1)
(2)