Utax 2500ci, User Manual, Page: 469 / 530

10-33
Troubleshooting > Troubleshooting
4
Press [+] or [-] to enter the values read from the chart and press [OK].
Press [+] to increase the value from 0 to 9. To decrease, press [-].
By pressing [-], the value changes from 0 to alphabetic letters, going from A to I. To move in the
reverse direction, press [+].
You cannot use the numeric keys to enter these values.
5
Repeat steps 3 and 4 to enter the registration values for each chart.
6
Press [Start] after all values have been entered. Color registration begins.
7
Press [OK] after color registration is complete.
Tone Curve Adjustment
After prolonged use, or from the effects of surrounding temperature or humidity, the printed output tone may differ from
the original. Perform this function to ensure consistency with the original tone. Before executing Tone Curve Adjustment,
execute calibration (see page 10-34). If calibration does not improve the tones, perform Tone Curve Adjustment.
A total of 3 pattern pages (No. 1 to 3) are printed during adjustment. The printed patterns are read sequentially during
the adjustment.
1
Display the screen.
1
Press the [ System Menu ] key.
2
Press [ ], [Adjustment/Maintenance], [ ] and then [Next] of "Tone Curve Adjustment".
2
Adjust the tone curve.
1
Press [Start]. A pattern is printed.
Check that the number "1" is printed at the bottom of the pattern.
2
As shown in the illustration, place the printed side down on the platen with the edge with
the arrows toward the back.
3
Press [Start]. The pattern is read and adjustment begins.
The second pattern is output.
NOTE
To perform tone curve adjustment, verify that either Letter or A4 paper is loaded into a cassette.