You can set the compression ratio for colour scanned data. A high compression ratio reduces the data size, but results in low quality images. On the contrary, a low compression ratio increases the data size, but results in high quality images.
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NOTE
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If you want to select compact or trace & smooth for the PDF file format or select compact for the XPS file format, it is recommended that you set Data Compression Ratio to 'Normal' or 'Low Ratio'. If Data Compression Ratio is set to 'High Ratio', the images that are output may be of a low quality even if 'Image Priority' is selected in Image Level for High Compression in Function Settings (Settings/Registration).
If the fax board is installed and you are sending documents by fax, this setting is disabled.
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1.
Press 
→ [Function Settings] → [Send] →[Common Settings] →[Data Compression Ratio].
→ [Function Settings] → [Send] →[Common Settings] →[Data Compression Ratio].2.
Select [High Ratio], [Normal], or [Low Ratio] → press [OK].
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[High Ratio]:
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The data size is small, but the image quality is low.
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[Normal]:
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The data size and image quality are in between those of [High Ratio] and [Low Ratio].
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[Low Ratio]:
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The data size is large, but the image quality is high.
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