145
4.3 Troubleshooting for Image Quality
REGIUS MODEL 190 Service Manual Ver.1.00 2004.11.01
4.3.12 Case 11: The left and right of the image are disconnected.
•
If problems from cases 10 and 11 above repeats after resolution, inform to the manufacturer.
4.3.13 Case 12: Irregularity correction has not been carried out.
•
Con
fi
rm whether images are being obtained without correction.
•
Con
fi
rm that the ADB2's high-voltage switch is turned ON.
4.3.14 Case 13: The irregularity correction data is excessive (i.e., 300 steps or more
from MAX to MIN)
Phenomena
Cause/Remedy
1
The X-ray exposure restriction is not suit-
able.
Check the exposure
fi
eld.
2
The sideways-direction start point is not cor-
rect.
Check the sideways-direction start point and modify if neces-
sary.
Phenomena
Cause/Remedy
1
The image data for creation of irregularity
correction is bad.
Recreate the irregularity correction using a plate with no sur-
face damage or contamination.
2
If the problem persists after performing the
above.
•
Replace the CF card.
•
Replace the SCB2. "
2.7.3 Replacement of SCB2
(System Control Board), p.84"
Phenomena
Cause/Remedy
1
Exposure conditions for the irregularity correc-
tion are not suitable.
Repeat with appropriate exposure condition.
2
Plates or the optical unit's beam collector sec-
tion is soiled.
Clean the soil.
3
Foreign objects are exposed in the correction
image.
Repeat the exposure avoiding any object to be included
in the imaging
fi
eld.
4
Polygon correction is made excessively. (300
steps or more)
When this remains large even after irregularity correction
is repeated, replace the optical unit. "
2.6.2 Replacement
of Optical Unit, p.76"
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