Color Lines, Streaks, Spots, Smears, or BandsCause: A machine component may need to be replaced.Remedy: For both network print jobs and copy/scan jobs, perform the following:• If lines or streaks are present, check the IBT Cleaner Assembly for wear or damage,and replace as required.• If the defect occurs every 36 mm on the prints, do not replace the Drum. This intervalis caused by a damaged or defective Developer Housing. Contact the CustomerSupport Center.• If lines, streaks, or deletions in the process direction appear only with Black, then theBlack Corotron Assembly may need to cleaned or replaced. Contact the CustomerSupport Center.• If spots or bands occur every 126 mm on the prints, the Yellow, Magenta, or CyanDrum is damaged or light-shocked.Output contains color lines, streaks, spots, stripes (either dotted or continuous), and/orhas scratches or undefined edges.Cause: A machine component may need to be replaced.Remedy:• Run jobs with individual colors (yellow, magenta, cyan) in order to determine whichcolor drum may be damaged or light-shocked.• Replace the appropriate color drum cartridge.• If spots or bands occur every 188 mm, the Black Drum is damaged or light-shocked.Replace the Black Drum Cartridge.• Ensure that the paper tray guides are against the edges of the loaded paper.Completely BlackCause: Unknown until further investigation is completed.Remedy: The fault requires further investigation. Contact the Xerox Customer SupportCenter, or go to www.xerox.com and click on the Contact Us link for specific contactinformation/telephone numbers in your area.Output is totally black or gray over the entire paper.Cause: Requires further investigation.Remedy: Before calling the Customer Support Center, write down your machine'sserial number.Completely BlankCause: Originals may not be loaded correctly.Remedy: If you are copying your original from the Document Feeder, ensure that youroriginal is loaded face up and the document handler guides are against the edges ofthe loaded originals.10-33Xerox® Color C75 PressUser GuideProblem solving