Benq 6678-9va Driver Download

Benq Drivers

The 6678-9va is a scanner manufactured by Benq. If your scanner is not able to handle multiple pages, can't access the automatic document feeder or simply won't scan, you may need to update the driver. This version of "" is rated (4 out of 5 stars) based on 5,979 downloads and 33 reviews. It has been installed successfully by our users on PCs running Windows 7 and Windows XP. The total disk space used for this update is 224.0 KB.

33 Ratings (see all reviews)

Supported Models




Supported Operating Systems

Windows XP, Windows ME, Windows 98

File Name

Additional Notes

Says it will work with Win2K also. Hope this helps.

Uploaded By

Rick D. (DG Member) on 26-Apr-2007

Ratings & Reviews

See all Benq 6678-9va ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
UnUSBDrv_and_more/CHECKING.DLL 147.5 KB 26 Apr 2007
UnUSBDrv_and_more/TWAIN.DLL 87.3 KB 26 Apr 2007
UnUSBDrv_and_more/TWAIN_32.DLL 77.3 KB 26 Apr 2007
UnUSBDrv_and_more/TWUNK_16.EXE 48.6 KB 26 Apr 2007
UnUSBDrv_and_more/TWUNK_32.EXE 69.6 KB 26 Apr 2007
UnUSBDrv_and_more/UnUSBDrv.exe 151.6 KB 26 Apr 2007

How to Update 6678-9va Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the 6678-9va driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Benq 6678-9va into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Benq Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the Benq website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

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