Periodical Adjustment (Automatic Adjustment)

Basic Settings

For periodical adjustment (automatic adjustment), the following settings are required:

  • Adjustment Execution Timing: Select During Job Runs to perform adjustment even when a job is running or Before Job Start to only perform adjustment before a job starts. For details, refer to Step 6.

  • Chart Tray Setting: When selecting a tray to feed paper for output charts, select ON, and then set the tray.

  • Switch Color(1st or 2nd): Select the target color (1st color only, both 1st color and 2nd color) for adjustment.

  • Adjustment Interval: When specifying the adjustment interval, select ON, then specify the desired number of sheets between 100 and 9,999.

NOTICE

  • Color Density Control adjustment cannot be performed when outputting a list such as Job List, log report, or test chart.

  1. Press Adjustment on the MACHINE screen to display the Adjustment Menu screen.

  2. Press Quality Adjustment and Color Density Control in sequence.

    The Color Density Control screen is displayed.

  3. Press Basic Setting.

  4. Select ON or OFF at the right of Use Color Density Control.

    • supplementary explanationSelect ON to make the Color Density Control adjustment. To use the IDC sensor of the machine, select OFF.

  5. Select ON or OFF at the right of Periodical Adj. Execution.

    • supplementary explanationTo carry out Color Density Control periodically, select ON. If not (but adjust it manually), select OFF. If ON is selected, the machine automatically determines when to perform periodical adjustment (automatic adjustment).

    • supplementary explanationIf you do not select periodical adjustment (automatic adjustment), you need to carry out Color Density Control manually.

    • supplementary explanationIf you select to carry out periodical adjustment (automatic adjustment), you basically do not need to carry out manual adjustment. However, if you find significant fluctuation in colors for some reasons, manual adjustment may solve this problem.

    • supplementary explanationIf you select ON, the color density is adjusted based on the sensor adjustment values being set by Color Density of Paper Setting. For details, refer to Setting Paper in a Paper Tray.

    • supplementary explanationIf necessary, you can display the Periodical Adj. Execution on the MACHINE screen and select ON or OFF. For details, contact your service representative.

  6. If you select ON in Periodical Adj. Execution in step 5, select During Job Runs or Before Job Start at the right of Adjustment Execution Timing to specify how periodical adjustment (automatic adjustment) is performed just when a job is running.

    • supplementary explanationIf During Job Runs is selected, adjustment is performed even when a job is running.

    • supplementary explanationIf Before Job Start is selected, adjustment is not performed when a job is running. In this case, adjustment is not performed until when the proper timing is achieved.

    NOTICE

    • When Color Density Control is performed, the correction values are determined based on the combination of the following three items.
      Each paper type color adjustment
      Paper type
      Screen type
      If any of the conditions of the three items is changed, the machine reselects a proper correction value and uses it at the timing (page) of the change.

    • The machine may use one or more correction values for one job depending on print settings.
      If the timing for periodical adjustment (automatic adjustment) is achieved when a correction value is reselected for one job, specify in Adjustment Execution Timing whether or not to perform the adjustment (automatic adjustment) even when a job is running.

    • If Before Job Start is selected, periodical adjustment (automatic adjustment) is not performed when a job is running.
      You need to perform Color Density Manual Control beforehand.

  7. If you select ON in Periodical Adj. Execution in step 5, select ON or OFF at the right of Chart Tray Setting.

    • supplementary explanationTo feed paper from a tray other than the currently using tray, select ON. To feed paper from the currently using tray, select OFF.

    • supplementary explanationIf you select OFF and the chart-output paper size is small, the periodical adjustment (automatic adjustment) is not carried out.

    NOTICE

    • If you select ON in Chart Tray Setting, the paper used for output and the paper for chart must have the same characteristics.

    • When During Job Runs is selected in Adjustment Execution Timing, adjustment is not performed while printing on the small-sized paper for copy job.

  8. If you select ON in Chart Tray Setting in step 7, select At All Times or For Small Size at the right of Chart Tray Condition.

    • supplementary explanationTo feed paper from the tray being set by Chart Tray Select during output of all charts for Color Density Control, select At All Times. To feed paper from the tray being set by Chart Tray Select during output of small size charts, select For Small Size.

  9. If you select ON in Chart Tray Setting in step 7, select a paper feed tray from the buttons on the right side of Chart Tray Select.

    • supplementary explanationPress OK on the Chart Tray Setting screen to return to the Basic Setting screen.

  10. Press Next to select Switch Color(1st or 2nd).

    • supplementary explanationSelect Normal to correct primary colors only. Select Precise to correct both primary colors and secondary colors.

  11. If you select ON in Periodical Adj. Execution in step 5, select ON or OFF at the right of Adjustment Interval.

  12. If ON of Adjustment Interval is selected in step 11, press Change in Adjustment Interval, then enter the adjustment interval.

    • supplementary explanationPress OK on the Change Adjustment Interval screen to return to the Basic Setting screen.

    • supplementary explanationPress OK to return to the Color Density Control screen.

  13. Press Close to return to the Quality Adjustment Menu screen.

You can check the adjustment result of Color Density Control (Color Control) on the screen.
The adjustment result is displayed in graph by each color of CMYK in a way to compare the target values with the measured post-correction values.

Checking the Adjustment Result of Color Density Control

  1. Press Color Dens. Result on the MACHINE screen.

    The Color Density Control Result screen is displayed.

    • supplementary explanationYou cannot check it during a job run.

    • supplementary explanationIf a color problem persists even after the periodical adjustment (automatic adjustment), first perform Color Density Manual Control. If Color Density Manual Control could not solve the problem, perform Quality Adjustment. For details, refer to Image quality adjustment using image controller.

  2. Press Close to return to the MACHINE screen.