Toshiba E-studio5540c - Page 298

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ERROR CODE and TROUBLESHOOTING
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8.5.5 Background fogging
Fig.8-12
Cause/Section Step Check item Measures Remarks
Adjustment 1 Perform the shading correction. Perform 05-3218.
If an error occurs, retry it. If the
error still persists, clean the
original glass.
Density
reproduction
2 Check the gradation
reproduction.
Perform the forced performing
of image quality closed-loop
control (05-2742) and then
automatic gamma adjustment.
Printer section 3 Check the printer output image. Output the test patterns and
check them.
Color: using 04-231 for each
color
Black: using 04-113
See step
7 if
defects
occur.
Scanner 4 Check if the original glass,
mirrors or lens is dirty.
Clean it.