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e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
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8.5.3
Poor image density, color reproduction and gray balance
Fig.8-7
Cause/Section
Step
Check item
Measures
Remarks
Density / Color
reproduction /
Gray balance
1
Check the image density / color
reproduction / gray balance.
Perform the enforced
performing of image quality
closed-loop control (05-2742)
and then automatic gamma
adjustment.
Printer density
2
Check the density of printer
output image.
Output the test patterns and
check them.
Using 04-36 for each color
See step
5 if defect
occurs.
Scanner
3
Check if the original glass,
mirrors or lens is dirty.
Clean it.
Parameter
adjustment
value
4
Check the image processing
parameters.
Adjust the color balance
(color).
Adjust the image density.
Check color reproduction.
Check color reproduction.
Check image density.
Check gray balance.
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