Canon 0433B002 User Manual - Page 75
Resulting Scanned Images Are Not Correct
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Resulting Scanned Images Are Not Correct If the resulting scanned images are not crisp, if there are lines or spots on the images, or if there is some other problem with scanned images, likely causes are listed below. Check each item and take the appropriate action. Cause The sensor glass or the rollers inside the scanner are dirty. Remedy Clean the sensor glass and rollers as described on p. 54. Cause Remedy The scanner's internal platen glass is scratched. Contact your local authorized Canon dealer or service representative. Cause Remedy The application software is not set up properly for scanning. Check the scanning related settings, such as brightness in the application software. For example, if the document cannot be scanned at all, it is possible that the brightness setting is too high. If the resulting scanned images are too dark, it is possible that the brightness setting is too low. Cause Remedy The scanner driver or application software is not running normally. If the software is set properly for scanning and scanning is still not possible, it is possible that the scanner driver or the application software is not running normally. Reinstall the scanning driver or the application software. For details on how to install the scanner driver, see "Installing the ISIS/TWAIN Driver," on p. 27. For details on how to install the application software, refer to the application software instruction manual. Cause Remedy Attempting to use a function of the DR-2050C that is not supported by the application software. Certain application software may not support auto page size detection or other functions. You may experience abnormal scanning results when scanning with such an application. If this happens, try scanning again after turning off auto paper size detection, etc. If you continue to have problems with the scanned image after trying the above countermeasures, try using the following procedure to adjust the scanner. Troubleshooting 71