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If damaged, replace the image drum cartridge (see “Image Drum Replacement” on page 80). If dirty, wipe the image drum gently with soft tissue. If this does not work, replace the image drum. • If the lines or spots occur at intervals of approximately 113 mm, the fuser roller is damaged. Change the fuser (see “Fuser Replacement” on page 95). Remove the image drum from the printer and store it in a dark place for several hours. If this does not work, replace the image drum (see “Image Drum Replacem