Canon PIXMA MP530 User's Guide - Page 145

Computer Stops Operating During Scanning, Scan Quality is Poor Poor Image Displayed on the Monitor

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„ Computer Stops Operating During Scanning Cause Output Resolution set too high. Action Reboot the computer, lower the Output Resolution and rescan. The hard disk does not have enough available space. Multiple devices connected to the USB port. z Reset and reboot the computer, delete unnecessary files and application softwares, and rescan. z Open ScanGear MP from within the application software, click the [Preferences] button in the Advanced Mode, and change the folder listed in the [Select Folder Where Temporary Files are Saved] category to one on a disk with sufficient free space. Disconnect all other devices but the machine from the port. „ Scan Quality is Poor (Poor Image Displayed on the Monitor) Cause The resolution is low. Specification of the application software. Moiré appears. Inappropriate display settings. Action If the image looks grainy, increase the scan resolution. For details, refer to the Scan Guide. Some application software does not display the image clearly if the image is too small. Set the view mode to 100%. Set [Descreen] to [ON] in the [Image Settings] section of the Advanced Mode of ScanGear MP. Note Moiré may appear when you scan digital photo prints. Set your display settings on your computer to Medium (16 bit) or higher. In the [Start] menu click [Control Panel], then [Appearance and Themes] and then [Display], and on the [Settings] sheet, set [Color quality] to [Medium (16 bit)] or [Highest (32 bit)] or a higher setting. Dirty Platen Glass or inner side of the Document Cover. The status of the original is poor. In the [System Preferences] dialog, click the [Displays] icon and select the [Display] tab. Set the [Colors] list box to [Thousands] or a higher setting. See "Cleaning Your Machine" on page 107 to clean them. Scan with certain functions such as [Reduce Dust and Scratches], [Fading Correction] or [Grain Correction] in the [Image Settings] section of the Advanced Mode of ScanGear MP. Note If a print out of an image does not appear satisfactory or the same as what you see on the monitor, you may need to change the machine's settings, or the machine itself may have engaged in problems. Chapter 9 Troubleshooting 143

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Chapter 9
143
Troubleshooting
Computer Stops Operating During Scanning
Scan Quality is Poor (Poor Image Displayed on the Monitor)
Cause
Action
Output Resolution set too high.
Reboot the computer, lower the Output Resolution and rescan.
The hard disk does not have enough
available space.
Reset and reboot the computer, delete unnecessary files and
application softwares, and rescan.
Open ScanGear MP from within the application software, click the
[Preferences] button in the Advanced Mode, and change the folder
listed in the [Select Folder Where Temporary Files are Saved] category
to one on a disk with sufficient free space.
Multiple devices connected to the
USB port.
Disconnect all other devices but the machine from the port.
Cause
Action
The resolution is low.
If the image looks grainy, increase the scan resolution.
For details, refer to the
Scan Guide
.
Specification of the application
software.
Some application software does not display the image clearly if the image
is too small. Set the view mode to 100%.
Moiré appears.
Set [Descreen] to [ON] in the [Image Settings] section of the Advanced
Mode of ScanGear MP.
Note
Moiré may appear when you scan digital photo prints.
Inappropriate display settings.
Set your display settings on your computer to Medium (16 bit) or higher.
In the [Start] menu click [Control Panel], then [Appearance and Themes]
and then [Display], and on the [Settings] sheet, set [Color quality] to
[Medium (16 bit)] or [Highest (32 bit)] or a higher setting.
In the [System Preferences] dialog, click the [Displays] icon and select the
[Display] tab. Set the [Colors] list box to [Thousands] or a higher setting.
Dirty Platen Glass or inner side of
the Document Cover.
See
“Cleaning Your Machine” on page 107
to clean them.
The status of the original is poor.
Scan with certain functions such as [Reduce Dust and Scratches], [Fading
Correction] or [Grain Correction] in the [Image Settings] section of the
Advanced Mode of ScanGear MP.
Note
If a print out of an image does not appear satisfactory or the same as what
you see on the monitor, you may need to change the machine's settings,
or the machine itself may have engaged in problems.