Press the COPY tab to display the COPY screen.
Press Quality Adj. on the COPY screen.
The Quality Adjustment screen is displayed.
Use - and + on the right side of the desired item key to make an adjustment. Or, press the item button to display the screen for adjustment only, then use the buttons from -4 to 4 or from -6 to 2 to make an adjustment.
To change the selection of Screen Pattern, press right on the right side to display the desired screen. Or, press Screen Pattern to display the Screen Pattern screen, then select the desired button.
Position the original, then press Adj. Proof Copy on the screen or Proof Copy on the control panel to output a sample copy to check the result of adjustment you made on that screen, or the result of various adjustments used in combination.
Press Close on the Quality Adjustment screen to return to the COPY screen.