Konica Minolta bizhub C353 Service Manual page 288

Field Service Ver. 3.0 Jan. 2008
(7) Gradation Adjustment
• It will not be displayed when the following setting is set to "ON."
[Service Mode] → [Imaging Process Adjustment] → [Dev. Bias Choice]
• It will not be displayed when the following setting shows that Management Device 1 is
mounted during the device power is OFF or no authentication is set.
[Service Mode] → [Billing Setting] → [Management Function Choice]
• This menu is unavailable when the key counter is not inserted while only the key counter
is set to Set by [Service Mode] → [Billing Setting] → [Management Function Choice].
Functions • To make an automatic adjustment of gradation based on the test pattern produced
and the readings taken by the scanner.
Use • Color reproduction performance becomes poor.
• The IU has been replaced.
• The image transfer belt unit has been replaced.
• Printer (Gradation) : It gives the highest priority to gradation performance of the
• Printer (Resolution) : It gives the highest priority to reproduction performance of let-
• Copy
Adjustment 1. Touch [Stabilizer] and the Start key to perform image stabilization.
Procedure
NOTE
• Before executing gradation adjust, be sure to perform Stabilizer.
2. Call the Administrator Settings to the screen.
3. Touch [System Settings] → [Expert Adjustment] → [Gradation Adjustment].
4. Select the appropriate mode for the gradation adjustment.
5. Press the Start key to let the machine produce a test pattern.
6. Place the test pattern produced on the original glass.
7. Place ten blank sheets of A3/11 x 17 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 2 through 7 twice (a total of three times).
• If the image is faulty, perform the troubleshooting procedures for image problems.
image as it adjusts.
ters and lines as it adjusts.
: It gives the highest priority to increasing the number of images
to be stored in the memory as it adjusts.
8. Utility Mode
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