Poor Image Density, Color Reproduction And Gray Balance - Toshiba e-STUDIO 2555C Service Manual

8.5.3

Poor image density, color reproduction and gray balance

Check gray balance.
Check color reproduction.
Cause/Section Step
Density / Color 1 Check the image density / color
reproduction / reproduction / gray balance.
Gray balance
Printer density 2 Check the density of printer
output image.
Scanner 3 Check if the original glass,
mirrors or lens is dirty.
Parameter 4 Check the image processing
adjustment parameters.
value
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Fig.8-7
Check item
Perform the enforced
performing of image quality
closed-loop control (05-2742)
and then automatic gamma
adjustment.
Output the test patterns and
check them.
Using 04-36 for each color
Clean it.
Adjust the color balance
(color).
Adjust the image density.
8 - 281
Check image density.
Check color reproduction.
Measures
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
8
Remarks
See step
5 if defect
occurs.