Konica Minolta bizhub C20/C20X bizhub C20 Printer/Copier/Scanner User Guide - Page 300

Symptom Cause Solution Colors are not registering properly; colors are mixed or have page-to-pag e variation. Gradations are not adjusted correctly. The front cover is opened during the calibration. One or more of the toner cartridges may be defective. Set MACHINE SETTING/CALIBRATION in the UTILITY menu to ON, and then perform the AIDC color calibration. For details, refer to "MACHINE SETTING Menu" on page 33. Remove the toner cartridges and check for damage. If it is damaged, replace it. The media is moist Remove the moist media and replace it from humidity. with new, dry media. Line art does The line art setting for In the printer driver, go to Quality tab not print in 2400 x 600 dpi and choose Off in the Color Matching. color. requires Color Match- Lower the resolution to 1200 x 600 or ing to be turned off. 600 x 600 dpi. The color One or more of the Remove the imaging units and check has a poor imaging units may be for damage. If it is damaged, replace it. reproduction defective. or has poor color density. If the problem is not resolved, even after all of the above have been performed, contact Technical Support with the error information. 286 Solving Problems with Printing Quality