Acer ScanPrisa 640BU Driver Download
The Acer ScanPrisa 640BU is a scanner. Updating to the latest driver will fix common issues such as bad connection, scanner won't scan and cannot access to the Automatic Document Feeder. Visitors have downloaded this file "mirascan5.01u.zip" 1,637 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.
Supported Models
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
Manufacturers
UnknownSupported Operating Systems
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
File Name
Versions
5.0.1.4 (2001-08-22) via .inf
Uploaded By
DriverGuide (DG Staff Member) on 16-Jun-2008
Device Hardware IDs
Related Driver Updates
Driver Contents File List
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 |
How to Update Acer ScanPrisa 640BU Device Drivers Quickly & Easily
Step 1 - Download Your Driver
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.
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
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
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.