Canon 0435B008 Startup Guide - Page 68

Scanned Images Are Not Correct

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Scanned Images Are Not Correct If the scanned images are not clear, if there are lines or spots on the images, or if there is some other problem with scanned images, the likely causes are listed below. Check each item and take the appropriate action. Cause Remedy The sensor glass or the rollers inside the scanner are dirty. Clean the sensor glass and rollers. (For instructions on cleaning the sensor glass and rollers, see "Cleaning the Sensor Glass and the Rollers," on p. 48.) Cause Remedy The scanner's internal sensor 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 settings of the scanning utility. For example, if the scanned image is blank, the brightness setting may be too high. If the resulting scanned images are too dark, the brightness setting may be 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, the scanner driver or the application software may not be running normally. Reinstall the scanner driver or the application software. (For details on how to install the scanner driver, see "Installing the Scanning Utility," on p. 17. 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 CR-25/55 that is not supported by the application software. Some application software may not support certain functions, such as automatically detecting the paper size or changing the scanning mode/resolution through the scan panel. Using such application software for scanning may yield abnormal scanning results. Try scanning without using functions such as automatic paper size detection or margin settings. If problems with the scanned images persist even after trying these solutions, contact your local authorized Canon dealer, service representative, or the *Canon Service Support Center. * : For US customers only. Troubleshooting 63

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Troubleshooting
63
Scanned Images Are Not Correct
If the scanned images are not clear, if there are lines or spots on the images, or
if there is some other problem with scanned images, the 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. (For instructions on cleaning
the sensor glass and rollers, see “Cleaning the Sensor Glass and
the Rollers,” on p. 48.)
Cause
The scanner’s internal sensor glass is scratched.
Remedy
Contact your local authorized Canon dealer or service
representative.
Cause
The application software is not set up properly for
scanning.
Remedy
Check the scanning settings of the scanning utility.
For example, if the scanned image is blank, the brightness setting
may be too high. If the resulting scanned images are too dark, the
brightness setting may be too low.
Cause
The scanner driver or application software is not running
normally.
Remedy
If the software is set properly for scanning and scanning is still
not possible, the scanner driver or the application software may
not be running normally. Reinstall the scanner driver or the
application software. (For details on how to install the scanner
driver, see “Installing the Scanning Utility,” on p. 17. For details
on how to install the application software, refer to the application
software instruction manual.)
Cause
Attempting to use a function of the CR-25/55 that is not
supported by the application software.
Remedy
Some application software may not support certain functions,
such as automatically detecting the paper size or changing the
scanning mode/resolution through the scan panel. Using such
application software for scanning may yield abnormal scanning
results. Try scanning without using functions such as automatic
paper size detection or margin settings.
If problems with the scanned images persist even after trying these solutions,
contact your local authorized Canon dealer, service representative, or the
*
Canon Service Support Center.
*
: For US customers only.