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User GuidePro C7500/C7500H

Roller Marks Appearing When Dark-Color Paper is Fed after White Paper

When black or other dark-color paper is fed after white paper, roller marks may appear.

Roller marks appear at the following positions.

  • In the area 33 mm (1.3 inches) away from the center of the paper (roller mark approximately 14 mm (0.6 inches) wide)

  • In the area 26 mm (1.0 inches) away from the center of the paper (roller mark approximately 28 mm (1.1 inches) wide)

Cause:

The machine's left drawer unit and the drive rollers (rubber rollers) of the buffer pass unit (optional) are stained.

Solution:

Clean the machine's left drawer unit and the rollers of the buffer pass unit before feeding dark-color paper.

  • See Cleaning the Rollers in the Paper Exit

  • Left Drawer Unit [A]

    • Clean the approximately 14 mm (0.6 inches) wide roller circled in red at an area 33 mm (1.3 inches) from the center of the paper.

    • Clean the approximately 28 mm (1.1 inches) wide roller circled in blue at an area 26 mm (1.0 inches) from the center of the paper.

Note