Case 6: False Contours Can Be Seen In The Image; Case 7: Jittering Can Be Seen (I.e., Zigzags In Vertical Lines); Case 8: Image Dimensions Are Incorrect (Vertical Direction); Case 9: Image Dimensions Are Incorrect (Horizontal Direction) - Konica Minolta REGIUS 190 Service Manual

4.3 Troubleshooting for Image Quality
4.3.7

Case 6: False contours can be seen in the image

Phenomena
Phenomena only on the output film.
1
Check the raw data using the Service Tool,
2
and if these contours are confirmed.
4.3.8

Case 7: Jittering can be seen (i.e., zigzags in vertical lines)

Phenomena
If this occurs with a 7-line interval.
1
H-SYNC signals are not being correctly
2
obtained.
4.3.9

Case 8: Image dimensions are incorrect (vertical direction)

Phenomena
There is a problem with the Imager's image
1
size setting (i.e., 40∫).
Printer type (imager) has been incorrectly
2
set.

4.3.10 Case 9: Image dimensions are incorrect (horizontal direction)

Phenomena
1 PLL setting values have been replaced.

4.3.11 Case 10: The top and bottom of the image are disconnected.

Phenomena
The X-ray exposure field aperture is not suit-
1
able.
• If problems from cases 10 and 11 above repeats after resolution, inform to the manufacturer.
144
REGIUS MODEL 190 Service Manual Ver.1.00 2004.11.01
Cause/Remedy
Check the imager.
• Bit loss from image data in the process after the ADB2.
• Replace the ADB2 and SCB2.
ADB2 (A/D board), p.86",
(System Control Board),
Cause/Remedy
• Incorrect rotation of the polygon.
• Replace the optical unit (and polygon).
"2.6.2 Replacement of Optical Unit, p.76"
Confirm that the read-in timing for H-SYNC signals has not
changed and that the pulse waveform has not degraded. If
an abnormality is identified, replace the optical unit.
"2.6.2 Replacement of Optical Unit, p.76"
Cause/Remedy
Check the setting, and correct if necessary.
Check the settings and rectify where necessary.
Cause/Remedy
Check the PLL setting values and modify if necessary.
Cause/Remedy
Check the exposure field.
"2.7.4 Replacement of
"2.7.3 Replacement of SCB2
p.84".