Canon LBP-5100 User Manual page 412

The displayed color and printed color differ when printing photos, etc.
Cause The method for adjusting color on the screen (RGB) and in the printer (YMC) is
different. Therefore, there may be cases when the color on the screen cannot
be printed out exactly as it appears.
Remedy 1 Set [Matching Method] to [Perceptual [Monitor Color Matched]] in the printer
driver.
In order to specify the setting for [Matching Method], display the [Matching]
sheet by selecting the [Manual Color Settings] check box in the [Quality] sheet,
and then clicking [Color Settings].
Remedy 2 Adjust [Gamma] in the printer driver.
In order to specify the setting for [Gamma], display the [Matching] sheet by
selecting the [Manual Color Settings] check box in the [Quality] sheet, and then
clicking [Color Settings].
Streaks appear in the gradated portions when printing diagrams with gradations.
Cause [Use Pure Black] is applied to the gray color portions of the "streaks" in the
diagrams.
Remedy Set [Use Pure Black] to [Never] in the printer driver.
In order to specify the setting for [Use Pure Black], display the [Custom
Settings] dialog box by clicking [Settings] in the [Quality] sheet.
Data is not printed in the correct color (specified color) even after specifying the same color
for a filled-in pattern and its border.
Cause A special process may be applied depending on the line width of the border so
that thin lines are printed clearly.
Remedy Adjust the setting for [Gamma] in the printer driver.
In order to specify the setting for [Gamma], display the [Matching] sheet by
selecting the [Manual Color Settings] check box in the [Quality] sheet, and then
clicking [Color Settings].
The back of the printed paper has smudge marks.
Cause The size of the print data was larger than that of the loaded paper.
Remedy Check if the size of the print data matches that of the loaded paper.
Print Quality Problems
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