Question about Brother MFC-8840D All-In-One Laser Printer
I had the same problem. It means the scanner lamp is in the park position and is stuck. You need to lean the printer away from the sheet feed side and bump it on the side. This may fix it. If it doesn't turn off the power and remove the two screws that hold the scanner lid on. Then remover the other 6 screws located under the lid on the left side while the lid is hanging from lid open sensor cable be carefull not to drop the lid, break the cable or the glass bed. After removing the base screws you can set the lid on the scanner again while you lift the scanner bed exposing the scan lamp mechanism. Push it a few inches in the machine and close the lid. You can do a test by powering the unit on and hold the lid open sensor button located on the bottom left of the lid. The system should initialize and bring the scan lamp back to the proper position. Turn off replace all screws and your done. If it doesn't work the first time push the scanner lamp farther into the scanning area and repeat. Good Luck
Posted on Nov 28, 2008
My guess is a driver problem. I'm assuming you can print to it, so you know the USB connection is good. And you can make a copy (I assume), so you know the scanner mechanism and its connection with the rest of the machine works.
The scanner driver is separate from the printer driver. It's entirely possible to install and use the printer without having loaded the scanner driver. Best bet is to unplug the unit from your computer, then uninstall it completely from Windows. There may be an Uninstall program listed under Brother in your Start menu...All Programs... Or go to Start...Settings...Control Panel (or however your version of Windows get there) and open your Scanners and Cameras folder. If you find the Brother machine in there, Select it and click Remove. Do the same in the Printers folder.
Don't plug your machine back in until you have reinstalled the drivers. Go to www.brother-usa.com, and in the Service & Support box on the right, click Downloads. That will take you to a page where you'll select Multi-Function as your Product Group, then the model.
You'll get two lists of links. Forget Manuals, look at Drivers on the right.
Under Type of Software, click ALL. Select your OS.
Look for Setup.exe in the main directory, or you may need to browse folders labeled with different language abbreviations to find it.
Start the installation, and don't plug your USB cable in until the computer tells you to. it will install the printer first, then return to install the scanner. It may require you to restart Windows more than once. Sorry.
Once you've suffered through all that it should be fine.
Posted on Dec 24, 2009
How to get a MFC-8840/D/DN to scan to Windows 7 over the network or by USB:
First - Download the Windows Vista Full Driver & Software Package from Brother: Brother MFC-8840DN driver download page
Install the drivers using a custom install - pick only the Network scanning drivers, unless you want the other junk - no promises on how well the other stuff works.
Alternatively, if connecting the MFC-8840DN to Windows 7 by USB, download the Printer and Scanner Driver for Local Connection. It is a separate download. Install only the Scanner driver.
Once the Vista scanner driver is installed, you can test by running the built-in Windows 7 Scanner Wizard. Here are instructions on how to test.
As far as conversion to PDF, that will depend on the software. I am not sure if the Control Center or Paperport softwares work on Windows 7. I have not tried those. I have found that freeware STP will works fine.
Here is a link to the STP homepage.
Here is a link to how to use STP with the Brother MFC-8840DN
Posted on Jun 08, 2010
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