5-22 Phaser 6180MFP Multifunction Printer Service ManualPrint-Quality TroubleshootingPrint-Quality TroubleshootingPrint-Quality Defect DefinitionsThe following table lists the print-quality defect corrective procedure, theirdefinition, and the page where each procedure is provided.Defect Definition PageLight or UndertonePrintThe overall image density is too light in allcolors.page 5-26Blank Print (NoPrint)The entire image area is blank. page 5-28Black Print The entire image area is black. page 5-31Vertical Blank Lines There are faded or completely non-printed linesalong the page.page 5-34Horizontal Band,Voids, or StreaksThere are areas of the image that are extremelylight or are missing entirely.page 5-36Vertical Stripes There are black lines along the page in thedirection of the paper travel.page 5-38Horizontal Stripes There are dark lines running parallel with theleading edge of the print.page 5-40Faded or MissingImageThere are areas of the image that are extremelylight or are missing in a limited area.page 5-42Random Spots There are spots of toner randomly scatteredacross the page.page 5-44Defects in One Color(C, M, Y, or K)Only one color (Cyan, Magenta, Yellow, or Black)is too light on the printed image.page 5-46Repeating Bands,Lines, Marks, orSpotsThere are recurring lines, marks, or spots on thepage.page 5-48BackgroundContaminationThere is toner contamination on all or most ofthe page.page 5-52Skew The printed image is not paralleled with bothsides of the paper.page 5-54Damaged Paper The paper comes out from the printer wrinkled,folded, or worn-out.page 5-57Unfused Image The toner image is not completely fused to thepaper. The image easily rubs off.page 5-60Color Registration A printed yellow or black image is notoverlapped on a cyan or magenta imagecorrectly.page 5-62Wavy Lines The printed image has wavy column line in thedirection of the paper travel.page 5-64
