Canon PIXMA MP160 User Manual

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Canon PIXMA MP160 User Manual Manual pdf 103 page image

Chapter 10 101Troubleshooting Computer Stops Operating During Scanning Scan Quality Is Poor (Poor Image Displayed On The Monitor)Cause ActionOutput Resolution set toohigh.Reboot the computer, lower the Output Resolution and rescan. (See the ScanningGuide)Insufficient hard disk space. z When scanning large originals at a high resolution, an error may occur if thereis insufficient hard disk space. Check that the hard disk has sufficient freespace, and rescan.z When scanning large originals at a high resolution, the progress bar may stayat 0% depending on your computer. Set a smaller scanning area or a lowerresolution, and rescan.Multiple devices connectedto the USB port.Disconnect all other devices but the machine from the port.Cause ActionIncorrect scan settings. Rescan with adjusted settings. (See the Scanning Guide)Specification of theapplication program.Some application program does not display the image clearly if the image is toosmall. 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. Turn off the [Unsharp Mask]function if the moiré effect is still too strong even when the Descreen option is on.(See the Scanning Guide)Inappropriate displaysettings.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 orDocument Cover.Clean the Platen Glass or the Document Cover of the machine, taking special carenot to press strongly on the Platen Glass.The status of the original ispoor.Scan with certain functions such as [Reduce Dust and Scratches], [FadingCorrection] or [Grain Correction] in the Image Settings section of the AdvancedMode of ScanGear.NoteIf a print out of an image does not appear satisfactory or the same as what you seeon the monitor, you may need to change the machine's settings, or the machineitself may have engaged in problems.The color of a previewimage or a scanned image isdifferent from the originalwhen scanning an imagewith a plain background likethe blue sky.Set [Auto Tone] to [OFF] in ScanGear, and rescan.For details, refer to the Scanning Guide.