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4.7.7 Compression
Click this tab and m
ark the check box to enable or disable JPEG compression for data
transfer from the image scanner. (This function is available only for Color or Grayscale
scans.)
This function cannot be used when [Double-page spread] is selected. (V9.21)
Depending on the scan settings and the scanner model, this function is also enabled when
"Black & White" or "Halftone" is specified for [Image Mode].
Figure Option dialog (Compression)
♦ JPEG Transfer
Converts scanned image data into JPEG format for transfer. Because of smaller data size,
data transfer time is shorter than that of ordinary method (when the check box is not
marked).
♦ Jpeg Quality
Specifies data compression rate for JPEG transfer. Increase the value when you prefer to
get finer image quality, otherwise decrease the value for smaller data size.
Note.
・ Image quality may deteriorate due to scanning with JPEG compression.
・ When JPEG compression is enabled, lengths and widths of images may slightly be
different from that of the scans without JPEG compression.
・ This function may not be available for some image scanner models.