16.7 Imaging Process Adjustment; X-Rite Caribration; D Max Density - Konica Minolta bizhub C353P Service Manual

16. Jig Software

16.7 Imaging Process Adjustment

16.7.1

X-Rite Caribration

NOTE
• When customer needs high-quality color printing, performing calibration with X-
Rite is recommended.
• It will not be displayed when the following setting is set to "ON".
→
[Service Mode]
Functions • To make an automatic adjustment of gradation based on the test pattern produced
and the readings taken by the X-Rite.
Use • Color reproduction performance becomes poor.
• The IU has been replaced.
• The image transfer belt unit has been replaced.
✽ The Adj. Values of "Dark" and "Highlight" shown on the gradation adjust screen repre-
sent how much corrections are made to produce an ideal image output. Conv. Value
shows the difference from the ideal image density.
✽ The closer the Conv. Value to 0, the more ideal the image.
• Gradation Mode
• Resolution Mode
Setting/
See P.53
Procedure
16.7.2

D Max Density

Functions • To adjust gradation, color, and image density to target reproduction levels by varying
the maximum amount of toner sticking to paper through auxiliary manual fine-adjust-
ment of gamma of each color after gradation adjust.
Use • An image quality problem is not corrected even after gradation adjust has been run.
Adjustment • The default setting is 0.
Range
*: 1 step corresponds to 0.03 in density difference.
Adjustment To increase the maximum amount of toner sticking, increase the setting value.
Instructions To decrease the maximum amount of toner sticking, decrease the setting value.
Setting/ 1. Call the Service Mode to the screen.
2. Click these keys in this order: [Imaging Process Adjustment] → [D Max Density].
Procedure
3. Select the color to be adjusted.
4. Enter the new setting from the 10-key pad or [+/-].
5. Click [END] to return to the [Process] menu screen.
6. Click [Stabilizer].
7. Click [Stabilizer Mode].
8. Click the Start key to validate the adjustment value.
9. Check the printed image for any image problem.
NOTE
• If the setting value has been changed, be sure to run an image stabilization
sequence to make valid the new value.
316
[Image Process Adjustment]
: It gives the highest priority to gradation performance of
the image as it adjusts.
: It gives the highest priority to reproduction performance
of letters and lines as it adjusts.
-10 to +10 (step: 1 *)
Field Service Ver. 1.0 Oct. 2007
→
[Dev. Bias Choice]