SOLVING PROBLEMS 7.257Back of printoutsare dirty• The transfer roller may be dirty. See “Cleaning the Inside ofthe Printer” on page 6.31.• Check for leaking toner. Clean the inside of the printer.Color or Blackpages• The imaging unit may not be installed properly. Remove theimaging unit and reinsert.• The imaging unit may be defective and need replacing. Installa new imaging unit.• The printer may require repairing. Contact a servicerepresentative.Loose toner • Clean the inside of the printer.• Check the paper type and quality. See “Paper Specifications”on page G.4.• Install a new toner cartridge. See “Replacing the TonerCartridges” on page 6.8.• If the problem persists, the printer may require repairing.Contact a service representative.Character Voids Character voids are white areas within parts of characters thatshould be solid black:• If you are using transparencies, try another type oftransparency. Due to the composition of the transparency,some character voids are normal.• You may be printing on the wrong surface on the paper.Remove the paper and turn it around.• The paper may not meet paper specifications. See page G.4.Horizontal stripes If horizontally aligned color or black streaks or smears appear:• The imaging unit may be installed improperly. Remove theimaging unit and reinsert.• The imaging unit may be defective. Install a new imaging unit.See “Replacing the Imaging Unit” on page 6.14.• If the problem persists, the printer may require repairing.Contact a service representative.Problem SolutionAAAaBbCcAaBbCcAaBbCcAaBbCcAaBbCc
