Canon PIXMA MP150 MP150 User's Guide - Page 104

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. Insufficient hard disk space. Multiple devices connected to the USB port. z Reset and reboot the computer, delete unnecessary files and application programs, and rescan. z Open ScanGear MP from within the application program, 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 Incorrect scan settings. Specification of the application program. Moiré appears. Inappropriate display settings. Action Rescan with adjusted settings. (See the Scan Guide) Some application program does not display the image clearly if the image is too small. Set the view mode to 100%. Select [Magazine (Color)] for Select Source in the Simple Mode or turn on the [Descreen] option in the Advanced Mode of ScanGear MP. Turn off the [Unsharp Mask] function if the moiré effect is still too strong even when the Descreen option is on. (See the Scan Guide) Set your display settings on your computer to Medium (16 bit) or higher. Dirty Platen Glass or Document Cover. 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. Clean the Platen Glass or the Document Cover of the machine, taking special care not to press strongly on the Platen Glass. The status of the original is poor. Scan with certain functions such as Remove 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. „ Parts Of Image Missing Or Surrounded By Extra White Areas Cause Scan area was specified larger than the original. Action Specify the scan area appropriately. If you click the Auto crop button of the ScanGear MP, the scan area is adjusted autmatically to match the size of the original. When scanning an original surrounded by white borders such as a photo print, of if you otherwise want to specify a custom scan area, specify the scan area manually. Refer to the Scan Guide for details on manual scan area specification. 102 Troubleshooting Chapter 10

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102
Chapter 10
Troubleshooting
Computer Stops Operating During Scanning
Scan Quality Is Poor (Poor Image Displayed On The Monitor)
Parts Of Image Missing Or Surrounded By Extra White Areas
Cause
Action
Output Resolution set too
high.
Reboot the computer, lower the Output Resolution and rescan.
Insufficient hard disk space.
Reset and reboot the computer, delete unnecessary files and application
programs, and rescan.
Open ScanGear MP from within the application program, 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
Incorrect scan settings.
Rescan with adjusted settings. (See the
Scan Guide
)
Specification of the
application program.
Some application program does not display the image clearly if the image is too
small. Set the view mode to 100%.
Moiré appears.
Select [Magazine (Color)] for Select Source in the Simple Mode or turn on the
[Descreen] option in the Advanced Mode of ScanGear MP. Turn off the [Unsharp
Mask] function if the moiré effect is still too strong even when the Descreen option
is on. (See the
Scan Guide
)
Inappropriate display
settings.
Set your display settings on your computer to Medium (16 bit) or higher.
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
Document Cover.
Clean the Platen Glass or the Document Cover of the machine, taking special care
not to press strongly on the Platen Glass.
The status of the original is
poor.
Scan with certain functions such as Remove 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.
Cause
Action
Scan area was specified
larger than the original.
Specify the scan area appropriately.
If you click the Auto crop button of the ScanGear MP, the scan area is adjusted
autmatically to match the size of the original. When scanning an original
surrounded by white borders such as a photo print, of if you otherwise want to
specify a custom scan area, specify the scan area manually. Refer to the
Scan
Guide
for details on manual scan area specification.