Split Line Prior Detection; 10.5 Firmware Version; 10.6 Imaging Process Adjustment; Gradation Adjust - Konica Minolta bizhub C353 Service Manual

Field Service Ver. 3.0 Jan. 2008
10.4.13

Split Line Prior Detection

Functions • To check the stain on the ADF original glass and display the result.
Use • To manually perform the pre-detection of the stain which is normally conducted when
the main/sub power switch is turned ON, recovering from the sleep/low power mode,
etc.
• [Split Line Prior Detection] will be conducted with the detection level set by the follow-
ing setting.
[Service Mode] → [System 2] → [Split Line Detect. Setting] → [Prior Detection]
When the above setting is set to "Not Set", "NG" will be displayed even though the
pre-detection is conducted.
Setting/ 1. Call the Service Mode to the screen.
2. Touch these keys in this order: [Machine] → [Split Line Prior Detection].
Procedure
3. Press the start key to start the pre-detection.
4. Check to make sure that "OK" is displayed for the result.
* When the result says "NG", clean the glass and check again.

10.5 Firmware Version

Functions • To check the firmware version.
Use • Use when the firmware is upgraded.
• When the firmware is upgraded or PWB is replaced.
Setting/ 1. Call the Service Mode to the screen.
Procedure 2. Touch [Firmware Version].
3. Select the appropriate key from 1 to 3 to check the Firmware Version.

10.6 Imaging Process Adjustment

10.6.1

Gradation Adjust

• 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 scanner.
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.
• Stablizer
• Gradation Mode
• Resolution Mode
• High Compression Mode : It gives the highest priority to increasing the number of
Adjustment Dark
Specification Highlight : 0 ± 60
[Image Process Adjustment]
: Before Gradation adjust, perform image stabilization.
: 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.
images to be stored in the memory as it adjusts.
: 0 ± 100
→
[Dev. Bias Choice]
10. Service Mode
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