Color developer roller Symptoms: Print defect occurring every 38 mm. Cause: Dirty or damaged developer roller. Actions: Replace the toner cartridge. Charging roller Symptoms: Print defect occurring every 44 mm. Cause: Dirty or damaged charging roller. Actions: Replace the imaging drum. Black developer roller Symptoms: Print defect occurring every 38 mm. Cause: Dirty or damaged developer roller. Actions: Replace the toner cartridge. Cleaning roller Symptoms: Print defects occurring every 56 mm. Cause: Dirty or damaged cleaning roller. Actions: Clean the cleaning roller with a hand wipe. If cleaning does not resolve the defect, replace the cleaning roller. Developer DSD wheels Symptoms:
Print defect occurring every 65 mm. Cause: Dirty or damaged developer DSD wheels. These wheels are located on the outer ends of the color toner cartridge and appear as a black bushing. Actions: Replace the toner cartridge of the color producing the repetitive defect. 464 Chapter 7 - Troubleshooting EN