Canon LBP7660Cdn Manual page 309

[Red-Eye
Correction]
[Face Brightener]
[Grayscale
Conversion]
[Gray
Compensation]
9
Specify the settings for [Print Settings] as the following, as needed.
The setting for this item becomes invalid for B&W data.
If [Color Mode] is set as [Black and White], the setting for this item becomes invalid.
You can set the amount of [Red-eye Correction Level] correction.
[Weak]
[Standard]
[Strong]
It can correct photographs in which people's faces are dark due to insufficient backlighting or
underexposure so that the entire image is brightened and the people's faces are the preferred
brightness.
It can only correct images which are at least 100 pixels both horizontally and vertically.
The setting for this item becomes invalid for B&W data.
If [Color Mode] is set as [Black and White], the setting for this item becomes invalid.
The face brightening effect may differ depending on the data.
You can set the amount of [Face Brightener Level] correction.
[Weak]
[Standard]
[Strong]
Select the method for converting color print data to grayscale for printing.
You can set it for these data types: [Text], [Graphics] or [Image].
This setting is for converting color data to B&W data.
The setting for this item becomes invalid for B&W data.
If [Color Mode] is set as [Auto (Color/Black and White)] and [Color], the setting for this
item becomes invalid.
[sRGB]: It calculates the grayscale value using the RGB standard color conversion
method.
[NTSC]: It calculates the grayscale value using the NTSC standard color conversion
method.
[Uniform It takes the average value of the Red, Green and Blue color values as the
RGB]: grayscale value.
Specify whether to print grey data in Bk only.
You can set it for these data types: [Text], [Graphics] or [Image].
When it is set to [On], black and grey data is printed in Bk only. You can prevent color
registration errors.
When it is set to [Off], CMYK 4 color will also be used for black and gray data, and it will
be printed in black and gray. The reproduction of dark color gradation will be better than
when the check box is selected.
The amount of correction can be set a little smaller.
The amount of correction can be set in the middle between
weaker and stronger.
The amount of correction can be set a little larger.
The amount of correction can be set a little smaller.
The amount of correction can be set in the middle between
weaker and stronger.
The amount of correction can be set a little larger.