- 108 -6. TroubleshootingUneven GlossCause Solution ReferenceThe settings of the media type andweight are incorrect.Press the scroll button or ,select [Menus] > [Tray Configuration]> the paper tray you are using, andthen select the proper value for [MediaWeight]. Or, select a thicker value for[Media Weight].Loading PaperSupported PaperBlack or White Dots AppearCause Solution ReferenceThe paper is unsuitable. Use recommended paper.If a lot of paper dust attaches to paper,separate paper sheets before setting.Loading PaperSupported PaperIf the intervals of lines or spots areapproximately 94 mm (3.7 inches), thegreen tube of the image drum isdamaged or dirty.Lightly wipe the image drum with asoft tissue paper.Replace the image drum if it isdamaged.Replacing the Image Drum