README.TXT Driver File Contents (Utw_PS_A40_410.exe)

                   Canon Camera TWAIN Driver
                         README File
                          Version 4.1.0
                 Copyright (c)1997-2002 CANON INC.

Thank you for your purchase of the Canon Camera.
This README file contains the latest information on the Canon Camera TWAIN 
driver. Please read this file before using the TWAIN driver.

Cautions Relating to the TWAIN Specification

The TWAIN specification is periodically updated and software development 
companies modify their software to reflect these changes. Accordingly, 
problems  may occur because some applications do not fully comply with the 
current TWAIN  specification. Canon works closely with a range of software 
companies to  identify and resolve these problems so that our users can enjoy 
trouble-free use  of the software.

2. Defects occuring on the part display card
3. Cautions Relating to Specific Applications and System Configurations
4. Cautions Relating to Windows98SE
5. Cautions Relating to Windows98SE and WindowsME


(1)  Disk Space

The TWAIN driver creates a number of temporary files.
These files will be deleted when the TWAIN driver  shuts down. However, 
they may remain on the hard disk if the TWAIN driver crashes for any reason. 
The next time the TWAIN driver is activated,  such temporary files should be 
deleted, if any.

(2)  16-bit TWAIN and 32-bit TWAIN

The Canon Camera TWAIN driver is a full 32-bit application.
If you see the "TWAIN_32" and "TWAIN" options on the menu  in the application 
program, always select "TWAIN_32".

2. Defects occuring on the part display card
When the Twain driver is started from PhotoShopLE5.0 on the part display 
card, the work may become unstable.
If this occurs, after carrying out the dispinit.exe programme, start up 
PhotoShop and then use the Twain driver.
When you start up the system, we recommend that you register dispinit.exe 
in the Windows start up programme.

  dispinit.exe is in the same folder as installer (setup.exe).
  On CD, there are [SOFTWARE / TW_USB / Camera type / Language] folders.

3. Cautions Relating to Specific Applications and System Configurations
Canon has tested the operation of the driver on as many TWAIN-compatible 
applications and system configurations as possible. The following compatibility
problems have been found.

(1)  Transferring images to Photoshop 5.0LE

The maximum number of images that can be transferred to Photoshop 5.0LE at 
one time is 30.

(2)  Cautions relating to communication between the Canon Camera TWAIN driver 
and a Canon digital camera

When the TWAIN driver is running and is connected to a camera, the driver makes 
communications with the camera periodically. Do not operate the camera controls,
remove the memory card or battery, disconnect the communication cable, or 
otherwise interfere with the communications.
Such actions may cause misoperation on some PCs.
Wait until the TWAIN driver has shut down before doing such actions.

(3)  Cautions relating to USB and IEEE1394 connections

Do not place your computer in standby mode while a Canon camera is connected 
to the USB or IEEE1394 port.
If the computer goes into standby mode while the camera is connected to the USB 
or IEEE1394 port, do not disconnect the cable from the computer. Instead, restore 
the computer to normal operation mode with the cable still connected.
Unplugging the cable with the computer in standby mode may cause  some computers 
to not recover correctly from standby mode. For details on standby mode, refer to 
your computer's manual.

4. Cautions Relating to Windows98SE
Users running the Windows 98SE operating system are recommended to install the 
following update program from Microsoft web page to ensure more stable operation.
     "Windows 98 Second Edition 1394 Storage Supplement"

5. Cautions Relating to Windows98SE and WindowsME
When the camera is connected to the computer please set the auto power off 
function to [OFF].

<End of File>
Download Driver Pack

How To Update Drivers Manually

After your driver has been downloaded, follow these simple steps to install it.

  • Expand the archive file (if the download file is in zip or rar format).

  • If the expanded file has an .exe extension, double click it and follow the installation instructions.

  • Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.

  • Find the device and model you want to update in the device list.

  • Double-click on it to open the Properties dialog box.

  • From the Properties dialog box, select the Driver tab.

  • Click the Update Driver button, then follow the instructions.

Very important: You must reboot your system to ensure that any driver updates have taken effect.

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

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