Details - MP640 series Scanner Driver Ver. 15.5.2a (OS X 10.5/10.6/10.7/10.8/10.9/10.10)
ID: 0100435102_EN_3
This file is a TWAIN-compliant scanner driver for Canon color image scanner.

How to Download and Install
Download / Installation Procedures
1. Download the file. For the location where the file is saved, check the computer settings. 
2. Double-click the downloaded file and mount it on the Disk Image.
3. Double-click the mounted Disk Image.
4. Double-click the packaged file in the folder. Installation starts automatically.
Driver/Software Details
File Name
msd_-mac-mp640-15_5_2a-ea8_2.dmg
File Version
15.5.2a
File Size
13.16 MB
File Languages
English | Spanish | German | French | Italian | Japanese | Dutch | Chinese
Post Date
10/07/2014
History
[Ver.15.5.2a]
- OS X Yosemite (v10.10) has been added as a supported OS. 

- OS X Mavericks v10.9 has been added as a supported OS.
- OS X Mountain Lion (v10.8) has been added as a supported OS.

[Ver.15.5.2]
- OS X v.10.7 has been added as a supported OS.
- The internal modules have been updated.

[Ver.15.4.2a]
- The following problem has been rectified:
When the other Canon Inkjet MFP is connected in the same network environment, scanning through a network may not be performed.

- The operation of the printer's communication timer is optimized on the printer driver.

- The following problem has been rectified:
When the characters other than ASCII codes are used in a PC name, scanning using the operation panel of the main unit may not be performed.

[Ver.15.4.2]
- The following problem has been rectified:
The scanner driver may freeze when scanning a reflection copy at a high resolution.

[Ver.15.4.0]
- Supports OS X v10.6.
Environment
OS X Yosemite v10.10
OS X Mavericks v10.9
OS X Mountain Lion v10.8.5
OS X Lion v10.7.5
OS X Snow Leopard v10.6.8
OS X Leopard v10.5.8
Caution
1.After upgrading OS X v10.5 to OS X v10.6, the scanner functions will not operate. Reinstall the scanner driver.

2.[OS X v10.8/10.9/10.10]
When you try to install the software downloaded from the Canon download library, the message will be displayed and the installer cannot be launched in some instances. 
Procedures for the installation:
 1. While pressing and holding the Ctrl key, click on the installer package file.
 2. Select [Open].
 3. "The software is from an unidentified developer. Are you sure want to open it?" is displayed. Select [Open].
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