The Acer ScanPrisa 640BU is a scanner. Updated drivers may include advanced image processing algorithms that enhance the quality of scanned images. These algorithms can help with color accuracy, sharpness, noise reduction, and other aspects of image quality. By improving the image processing capabilities, updated drivers can produce higher-quality scans and minimize the need for post-processing. Visitors have downloaded this file "mirascan5.01u.zip" 1,655 times with an aggregate rating of 4 out of 5 stars based on 14 reviews. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 12.8 MB.
Acer ScanPrisa 640BU
Acer 1240UT/5100U Scanner
Acer Color Flatbed Scanner 340U
Acer Color Flatbed Scanner 640U
Acer Color Flatbed Scanner 640U+
Acer S2W 4300U/3300U Scanner
Acer S2W 5000U/5000E
Windows Vista, Windows Vista (64 bit), Windows 2003, Windows 2003 (64 bit), Windows XP, Windows XP (64 bit), Windows 2000, Windows NT4, Windows NT3.51, Windows ME, Windows 98SE, Windows 98, Windows 95, Windows 3.1
mirascan5.01u.zip (12.8 MB)
5.0.1.4 (2001-08-22) via .inf
DriverGuide (DG Staff Member) on 16-Jun-2008
To get the Acer ScanPrisa 640BU 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 Acer ScanPrisa 640BU 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 Driver Update Utility for Acer ScanPrisa 640BU. It is a software utility which automatically finds and downloads the right driver.
After downloading your new driver, it's time to install it. For Windows users, the built-in Device Manager is your go-to tool for managing system devices and drivers. Here's how to use it:
Right-click the Start button to open the Quick Access menu.
Select "Device Manager" from the list of options.
In the Device Manager window, locate the device that needs updating.
Right-click on the device name and choose "Update driver" from the context menu.
Follow the on-screen instructions to complete the installation process.
Once the installation is complete, restart your computer to ensure the new driver is properly integrated and functional.
This simple process helps keep your system running smoothly and maintains compatibility with your hardware components.
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.
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| MiraScan v5.01u/DATA1.CAB | 431.8 KB | 4 Sep 2001 |
| MiraScan v5.01u/DATA2.CAB | 512 bytes | 4 Sep 2001 |
| MiraScan v5.01u/IKERNEL.EX_ | 340.9 KB | 11 Apr 2001 |
| MiraScan v5.01u/LAYOUT.BIN | 435 bytes | 4 Sep 2001 |
| MiraScan v5.01u/Setup.exe | 54.8 KB | 11 Apr 2001 |
| MiraScan v5.01u/Setup.ini | 82 bytes | 4 Sep 2001 |
| MiraScan v5.01u/Ulead/UPLOAD1.DLL | 151.6 KB | 18 Apr 2000 |
| MiraScan v5.01u/Twain/TWAIN.DLL | 87.3 KB | 23 Nov 1995 |
| MiraScan v5.01u/Twain/TWAIN_32.DLL | 77.3 KB | 21 Oct 1996 |
| MiraScan v5.01u/Twain/TWUNK_16.EXE | 48.6 KB | 23 Nov 1995 |
| MiraScan v5.01u/Twain/TWUNK_32.EXE | 69.6 KB | 30 Jul 1998 |
| MiraScan v5.01u/Sound/Driver.wav | 263.9 KB | 3 Jan 2001 |
| MiraScan v5.01u/Sound/S2Copy.wav | 222.1 KB | 3 Jan 2001 |
| MiraScan v5.01u/Sound/S2OCR.WAV | 232.5 KB | 3 Jan 2001 |
| MiraScan v5.01u/Sound/S2PDA.WAV | 459.1 KB | 3 Jan 2001 |
| MiraScan v5.01u/Sound/S2WEB.WAV | 250.9 KB | 3 Jan 2001 |
| MiraScan v5.01u/Sound/Scan.wav | 263.9 KB | 3 Jan 2001 |
| MiraScan v5.01u/SYSDRV/USBSCAN.SYS | 8.9 KB | 18 Jun 1998 |
| MiraScan v5.01u/SYSDLL/MFC42.DLL | 995.4 KB | 16 Jun 1998 |
| MiraScan v5.01u/SYSDLL/MSVCRT.DLL | 266.3 KB | 20 Apr 1999 |
| MiraScan v5.01u/SYSDLL/Mscms.dll | 55.6 KB | 18 Jun 1998 |
| MiraScan v5.01u/SYSDLL/WNASPI32.DLL | 66.6 KB | 24 Aug 1999 |
| MiraScan v5.01u/SYSDLL/RSRC/RSRC16.DLL | 1.3 KB | 5 May 1999 |
| MiraScan v5.01u/SYSDLL/RSRC/RSRC32.DLL | 24.6 KB | 5 May 1999 |
| MiraScan v5.01u/STI/GULP.VXD | 5.7 KB | 1 Oct 1998 |
| MiraScan v5.01u/STI/SCANUSDX.DLL | 77.8 KB | 5 Sep 2001 |
| MiraScan v5.01u/STI/STIASPI.DLL | 53.2 KB | 8 Jun 2001 |
| MiraScan v5.01u/STI/Scanusd.dll | 77.8 KB | 9 Jan 2001 |
| MiraScan v5.01u/SKIN/Champgn.mmd | 1.6 MB | 4 Jun 2001 |
| MiraScan v5.01u/SKIN/Dawn.mmd | 1.9 MB | 18 Jul 2001 |
| MiraScan v5.01u/SKIN/Firefly.mmd | 1.7 MB | 31 May 2001 |
| MiraScan v5.01u/SKIN/Grass.mmd | 1.9 MB | 6 Jun 2001 |
| MiraScan v5.01u/SKIN/Mist.mmd | 1.9 MB | 28 Jun 2001 |
| MiraScan v5.01u/SKIN/Violet.mmd | 1.9 MB | 28 Jun 2001 |
| MiraScan v5.01u/Program/36Mode.ini | 161 bytes | 10 Sep 1999 |
| MiraScan v5.01u/Program/ApInfo.DAT | 63.0 KB | 13 Jun 2001 |
| MiraScan v5.01u/Program/ApInfo.DLL | 57.3 KB | 15 Mar 2001 |
| MiraScan v5.01u/Program/DSINFO.DAT | 2.6 KB | 8 Jun 2001 |
| MiraScan v5.01u/Program/Filmtype.ini | 22.2 KB | 7 Jan 2001 |
| MiraScan v5.01u/Program/HWInfo.DAT | 10.2 KB | 22 Aug 2001 |
| MiraScan v5.01u/Program/Imgpr16S.dll | 196.6 KB | 11 Jun 2001 |
| MiraScan v5.01u/Program/ImgprocS.dll | 356.4 KB | 10 Jun 2001 |
| MiraScan v5.01u/Program/JobWorn.dat | 2.6 KB | 27 Jun 2001 |
| MiraScan v5.01u/Program/MUICTRL.DLL | 1.0 MB | 22 Aug 2001 |
| MiraScan v5.01u/Program/MUICtrl.MSF | 21.5 KB | 1 Feb 2001 |
| MiraScan v5.01u/Program/MapTable.dll | 94.2 KB | 13 Apr 2001 |
| MiraScan v5.01u/Program/MiTwain.dll | 163.8 KB | 4 Apr 2001 |
| MiraScan v5.01u/Program/MultiLng.dll | 45.1 KB | 15 Mar 2001 |
| MiraScan v5.01u/Program/OemInfo.dat | 2.6 KB | 4 Jun 2001 |
| MiraScan v5.01u/Program/README.TXT | 5.5 KB | 22 Aug 2001 |
| MiraScan v5.01u/Program/ScanCtls.dll | 229.4 KB | 2 Jul 2001 |
| MiraScan v5.01u/Program/ScanDrv.ds | 323.6 KB | 22 Aug 2001 |
| MiraScan v5.01u/Program/Scanner.ini | 4.8 KB | 22 Aug 2001 |
| MiraScan v5.01u/Program/TChinese/MUICtrl.csf | 4.1 KB | 26 Jun 2001 |
| MiraScan v5.01u/Program/English/MUICtrl.csf | 4.1 KB | 26 Jun 2001 |
| MiraScan v5.01u/Msg/TCHINESE/MESSAGE.MSG | 5.5 KB | 12 Jul 2001 |
| MiraScan v5.01u/Msg/TCHINESE/MUICtrl.msg | 12.9 KB | 3 Jul 2001 |
| MiraScan v5.01u/MOVIE/TCHINESE/ACK.EXE | 383.1 KB | 17 Feb 2001 |
| MiraScan v5.01u/MOVIE/English/ACK.EXE | 388.6 KB | 17 Feb 2001 |
| MiraScan v5.01u/Inf/2Kscan.inf | 7.6 KB | 6 Sep 2001 |
| MiraScan v5.01u/Inf/2Kscan1.inf | 4.6 KB | 6 Sep 2001 |
| MiraScan v5.01u/Inf/98SCAN.INF | 6.4 KB | 7 Jun 2001 |
| MiraScan v5.01u/Inf/98SCAN1.INF | 4.5 KB | 6 Sep 2001 |
| MiraScan v5.01u/Inf/MeSCAN.INf | 6.4 KB | 7 Jun 2001 |
| MiraScan v5.01u/Inf/MeSCAN1.INf | 4.5 KB | 6 Sep 2001 |
| MiraScan v5.01u/Icm/CrScan11.icm | 109.8 KB | 26 Jan 2000 |
| MiraScan v5.01u/Icm/CrScan13.icm | 109.8 KB | 26 Jan 2000 |
| MiraScan v5.01u/Icm/CrScan14.icm | 109.8 KB | 26 Jan 2000 |
| MiraScan v5.01u/Icm/CrScan19.icm | 143.6 KB | 28 Jun 2001 |
| MiraScan v5.01u/Icm/CrScan20.icm | 143.6 KB | 5 Feb 2001 |
| MiraScan v5.01u/Icm/CrScan21.icm | 109.8 KB | 5 Jul 2000 |
| MiraScan v5.01u/Icm/CrScan22.icm | 143.6 KB | 3 Apr 2001 |
| MiraScan v5.01u/Icm/CrScan23.icm | 143.6 KB | 20 Jul 2001 |
| MiraScan v5.01u/Icm/CrScan5.icm | 109.8 KB | 26 Jan 2000 |
| MiraScan v5.01u/Icm/CrScan8.icm | 109.8 KB | 26 Jan 2000 |
| MiraScan v5.01u/Icm/CrScan9.icm | 109.8 KB | 26 Jan 2000 |
| MiraScan v5.01u/Icm/CtScan13.icm | 111.5 KB | 28 Jun 2001 |
| MiraScan v5.01u/Icm/CtScan14.icm | 109.8 KB | 26 Jan 2000 |
| MiraScan v5.01u/Icm/CtScan19.icm | 111.5 KB | 28 Jun 2001 |
| MiraScan v5.01u/Icm/CtScan20.icm | 111.5 KB | 28 Jun 2001 |
| MiraScan v5.01u/Icm/CtScan8.icm | 109.8 KB | 26 Jan 2000 |
| MiraScan v5.01u/Icm/CtScan9.icm | 109.8 KB | 26 Jan 2000 |
| MiraScan v5.01u/Icm/TEMP3.SRC | 3.1 KB | 18 Jun 1998 |
| MiraScan v5.01u/EXEFiles/IMGRWSB.DLL | 503.8 KB | 3 Jul 2001 |
| MiraScan v5.01u/EXEFiles/ScanDrv.exe | 278.5 KB | 23 Jul 2001 |
| MiraScan v5.01u/EXEFiles/Tool.exe | 24.6 KB | 13 Jul 2001 |
| MiraScan v5.01u/EXEFiles/TwainDSB.dll | 41.0 KB | 3 Jul 2001 |
| MiraScan v5.01u/EXEFiles/iMira.exe | 24.6 KB | 13 Jul 2001 |
| MiraScan v5.01u/ClubWeb/MultiLan.dll | 28.7 KB | 26 Apr 2000 |
| MiraScan v5.01u/ClubWeb/Upload.exe | 106.5 KB | 26 Apr 2000 |
| MiraScan v5.01u/ClubWeb/TChinese/LANGUAGE.LOC | 2.8 KB | 9 May 2000 |
| MiraScan v5.01u/ClubPDA/ADDENDUM.TXT | 1.8 KB | 26 Apr 2000 |
| MiraScan v5.01u/ClubPDA/MultiLan.dll | 28.7 KB | 26 Apr 2000 |
| MiraScan v5.01u/ClubPDA/Palm.exe | 167.9 KB | 28 May 2000 |
| MiraScan v5.01u/ClubPDA/README.PDF | 103.1 KB | 26 Apr 2000 |
| MiraScan v5.01u/ClubPDA/TChinese/LANGUAGE.LOC | 3.0 KB | 9 May 2000 |
| MiraScan v5.01u/Bin/Model.ini | 595 bytes | 18 Jul 2001 |
| MiraScan v5.01u/Bin/Modelx.ini | 595 bytes | 18 Jul 2001 |
| MiraScan v5.01u/Bin/U126V043.BIN | 30.7 KB | 13 Sep 2000 |
| MiraScan v5.01u/Bin/U176V042.BIN | 30.7 KB | 14 May 2001 |
| MiraScan v5.01u/Bin/U190V044.BIN | 32.5 KB | 1 Feb 2001 |
| MiraScan v5.01u/Bin/U192V074.BIN | 31.8 KB | 30 Jan 2001 |
| MiraScan v5.01u/Bin/U222V067.BIN | 30.2 KB | 28 Nov 2000 |
| MiraScan v5.01u/Bin/U252V065.BIN | 65.3 KB | 16 Jul 2001 |
| MiraScan v5.01u/Bin/U254V042.BIN | 36.5 KB | 27 Apr 2001 |
| MiraScan v5.01u/Bin/U34V110.BIN | 28.0 KB | 20 Jan 2000 |
| MiraScan v5.01u/Bin/U64V120.BIN | 31.5 KB | 30 Jan 2001 |
| MiraScan v5.01u/Bin/U96V121.BIN | 31.0 KB | 21 Jan 2000 |
| MiraScan v5.01u/AddSti/AddSti.dll | 24.6 KB | 29 Jun 2001 |