Max Image Density Adj - Konica Minolta bizhub C360 Service Manual

12. SERVICE MODE
7. Place ten blank sheets of paper on the test pattern and lower the original cover.
8. Press the Start key. (The machine will then start scanning the test pattern.)
9. Touch [OK] and repeat steps from 4 through 8 twice (a total of three times).
10. Touch [Gradation Adjust] to display the Adj. Values and Conv. Values of each color (C,
M, Y and K) for Dark and Highlight.
11. Use the following procedures to check the Conv. Value.
Dark: 0 ± 100 and Highlight: 0 ± 60: It completes the adjustment procedure.
If neither Dark nor Highlight falls outside the ranges specified above: Perform steps
from 4 to 8.
NOTE
• If the convergence falls within the specified range after the second Gradation
Adjustment, further adjustment may not be necessary.
• If a fault is detected, "0" is displayed for all values. In that case, after turning off the main
power switch, turn it on again more than 10 seconds after and then make the gradation
adjustment again.
• If either dark or highlight still remains outside the specified ranges perform Max Image
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Density Adj.
• If a total of four sequences of gradation adjust do not bring the values into the specified
range, check the image.
• If the image is faulty, perform the troubleshooting procedures for image problems.
12.6.2

Max Image Density Adj

2
A. Use
• 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-adjustment of
gamma of each color after gradation adjust.
• An image quality problem is not corrected even after gradation adjust has been run.
B. Procedure
• The default setting is 0.
*: 1 step corresponds to 0.03 in density difference.
1. Call the Service Mode to the screen.
2. Touch these keys in this order: [Imaging Process Adjustment] → [Max Image Density
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Adj].
3. Select [COPY] or [Printer].
4. Select the color to be adjusted.
5. Enter the new setting from the 10-key pad or [+/-].
To increase the maximum amount of toner sticking, increase the setting value.
To decrease the maximum amount of toner sticking, decrease the setting value.
6. Touch [END] to return to the [Process] menu screen.
7. Touch [Stabilizer].
8. Touch [Stabilizer Mode].
9. Press the Start key to validate the adjustment value.
10. Check the print 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.
392
2
-10 to +10 (step: 1 *)
Field Service Ver. 2.1 Feb. 2012