Konica Minolta magicolor 7450 II grafx magicolor 7450 II User Guide - Page 198

Symptom Cause Solution There are toner smudges or residual images. One or more of the Remove the imaging units and check imaging units may be them for damage. If one is damaged, defective or installed replace it. incorrectly. There are The media transfer Clean the media transfer roller. toner roller is dirty. smudges on the back side of the page (whether or The media path is not it has dirty with toner. If you think the transfer roller should be replaced, contact Technical Support with the error information. Print several blank sheets and the excess toner should disappear. been One or more of the Remove the imaging units and check duplexed). imaging units may be for damage. If it is damaged, replace it. defective. Abnormal The laser lens is dirty. Clean the laser lens. areas (white, A imaging unit may black, or be defective. color) appear in a regular Remove the imaging unit with the color causing the abnormal image. Replace it with a new imaging unit. pattern. 184 Solving Problems with Printing Quality