Canon pixma mp170
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.
high.
Reboot the computer, lower the Output Resolution and rescan.
Insufficient hard disk space. 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.
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.
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.
application program.
Some application program does not display the image clearly if the image is too
small. Set the view mode to 100%.
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)
[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.
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.
[Display] tab. Set the [Colors] list box to [Thousands] or a higher setting.
Dirty Platen Glass or
Document Cover.
Document Cover.
Clean the Platen Glass or the Document Cover of the machine, taking special care
not to press strongly on the Platen Glass.
not to press strongly on the Platen Glass.
The status of the original is
poor.
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.
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.
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.
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.
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.