Adjusting Background Density - Canon imageRUNNER ADVANCE 4051/4045/4035/4025 e-Manual

Adjusting Background Density

You can erase the background color of originals to scan them clearly.

This mode is useful for scanning originals such as catalogues with background coloring, and paper that has turned yellow from age.

As an example, the procedure for selecting a mail box as the storage location is explained in this section.

Press [Scan and Store] → [Mail Box].

Select the desired Mail Box → press [Scan].

Press [Density] → [Adjust] for <Background Density>.

To automatically adjust the quality of the background, press [Auto].

Press [-] and [+] to adjust the background density → press [OK].

[-]:	Prevents dark background color from being copied, but light areas on the original may not be copied either.
[+]:	You may not be able to completely prevent dark background color from being copied, but light areas on the original are always copied.

Press [Adjust Each Color] to adjust the density of red, green, and blue color independently. Press [-] or [+] to adjust the density of each color → press [OK].

NOTE
If you press [Adjust All Colors] on the color adjustment screen for [Adjust Each Color], the screen returns to the Adjust All Colors screen.

Press [OK].

IMPORTANT
For information on the modes which cannot be set in combination with this mode, see "Combination of Functions Chart." If you adjust the background density by pressing [Adjust] for <Background Density>, the [Auto] setting is canceled. Similarly, if you press [Auto] while making manual adjustments in [Adjust], your adjustments are canceled. The machine automatically adjusts the density to match the background. If you are using the Advanced Box, the Advanced Box of another machine on the network, or memory media, the setting for [Adjust] for <Background Density> is invalid when all of the conditions below are met. The setting is reflected in the image displayed for [Display Image], but not for the actual scanned image. The color mode is Black & White The original type is set to Text The resolution is set to 100 x 100 dpi, 150 x 150 dpi, or 200 x 100 dpi. To activate [Adjust] for <Background Density>, change the settings.

IMPORTANT

For information on the modes which cannot be set in combination with this mode, see "Combination of Functions Chart."

If you adjust the background density by pressing [Adjust] for <Background Density>, the [Auto] setting is canceled. Similarly, if you press [Auto] while making manual adjustments in [Adjust], your adjustments are canceled. The machine automatically adjusts the density to match the background.

If you are using the Advanced Box, the Advanced Box of another machine on the network, or memory media, the setting for [Adjust] for <Background Density> is invalid when all of the conditions below are met. The setting is reflected in the image displayed for [Display Image], but not for the actual scanned image.

The color mode is Black & White

The original type is set to Text

The resolution is set to 100 x 100 dpi, 150 x 150 dpi, or 200 x 100 dpi.

To activate [Adjust] for <Background Density>, change the settings.