Konica Minolta 0902, Service Manual

Page: 101 / 302

Chapter 3 Troubleshooting
3-47
3.4.19 Sandy Image
3.4.20 White Dot
3.4.21 Black Dot
3.4.22 Monitor Display Problem (Film is OK)
3.4.23 Duplex Image
3.4.24 Sensitivity Calibration Do Not Fit Within Specification
3.4.25 All Processed Images are Generally High in Contrast
No. Cause Response
1 Not enough dosage from X-ray tube. Confirm the dosage of the X-ray tube.
Perform the mR measurement and confirm if there is
any X-ray.
2 Wrong exposure conditions Confirm the exposure conditions referring to the
recommended value in the medical notebook.
No. Cause Response
1 There is a dust on the plate. Clean the plate and confirm the solid image.
2 Plate fault (missing pixel) Replace the plate.
No. Cause Response
1 Exposed on the plate that was not
erased. Erase the image on the plate and redo the exposure.
No. Cause Response
1 Density does not match the light box. Regenerate the display LUT.
No. Cause Response
1 Exposed on the plate that was not
erased. Confirm that the erase lamp is on for certain when
erasing.
2 Plate fault (plate might been damaged
by X-ray exposure above allowable) Confirm the plate right after the erase action without
any compensation.
Replace the plate if any image appears.
No. Cause Response
1 Exposure condition and input value used
for the sensitivity calibration was
incorrect. Confirm the exposure condition and input value for the
image is correct.
No. Cause Response
1 Output density in the process parameter
is set high in contrast in general.
•
Reset the rotate/shift parameter output density H
lower.
•
Reset the rotate/shift parameter output density L
higher.
See the Image Process Adjustment Manual for details.