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Clean the Drum Unit

If your printout has black or white dots or other repeating marks at 3.7 in. (94 mm) intervals, the drum may have foreign material, such as glue from a label, stuck on the drum surface.

HL-L3210CW/HL-L3230CDN/HL-L3230CDW

  1. Make sure the machine is in Ready Mode.
  2. Press image or image to display the [Print Reports] option, and then press OK.
  3. Press image or image to select the [Drum Dot Print] option, and then press OK.
  4. Press Go.
    The machine prints the Drum Dot Check Sheet.
  5. Press and hold image to turn off the machine.
  6. Open the top cover until it locks in the open position.
    image
    WARNING
    HOT SURFACE

    The machine's internal parts will be extremely hot. Wait for the machine to cool down before touching them.

    image

  7. The color of printed dots on the Drum Dot Check Sheet is the color of the drum you should clean. Remove the toner cartridge and drum unit assembly that matches the color causing the problem.
    image
    CAUTION

    We recommend placing the toner cartridge and drum unit assemblies on a clean, flat surface with disposable paper underneath it in case you accidentally spill or scatter toner.

    IMPORTANT

    To prevent damage to the machine from static electricity, DO NOT touch the electrodes shown in the illustration.

    image

  8. Push down the green lock lever and remove the toner cartridge from the drum unit.
    image
    image
    To avoid print quality problems, DO NOT touch any surface of the drum unit except the drum unit gear.
  9. Lift the drum unit frame by the handle and rotate it counterclockwise, as shown.
    image
  10. Loosen your grip so the frame drops forward, and then use your right hand to locate the drum unit gear inside the right side of the frame.
    image
    image
    To avoid print quality problems, DO NOT touch any surface of the drum unit except the drum unit gear.
  11. Tilt your left hand up to lift the frame so the numbered grid is visible, as shown. Use your right hand to rotate the drum while you look for marks or debris on the drum surface.
    image
    image
    Use the column numbers next to the drum roller to find the mark. For example, a dot in column 2 on the Drum Dot Check Sheet would mean that there is a mark in the “2” region of the drum.
    image
  12. Wipe the surface of the drum gently with a dry cotton swab until the mark on the surface comes off.
    image
    NOTE
    DO NOT clean the surface of the photosensitive drum with a sharp object or any liquids.
  13. Reinsert the toner cartridge firmly into the drum unit until you hear it lock into place.
    image
    image
    Make sure you put the toner cartridge in correctly or it may separate from the drum unit.
  14. Slide the toner cartridge and drum unit assemblies into the machine. Make sure that you match the toner cartridge color to the same color label on the machine.
    image
  15. Close the machine's top cover.
  16. Press image to turn on the machine.

HL-L3270CDW

  1. Make sure the machine is in Ready Mode.
  2. Press image[Settings]>[All Settings]>[Print Reports]>[Drum Dot Print].
  3. Press [Yes].
    The machine prints the Drum Dot Check Sheet.
  4. Press and hold image to turn off the machine.
  5. Open the top cover until it locks in the open position.
    image
    WARNING
    HOT SURFACE

    The machine's internal parts will be extremely hot. Wait for the machine to cool down before touching them.

    image

  6. The color of printed dots on the Drum Dot Check Sheet is the color of the drum you should clean. Remove the toner cartridge and drum unit assembly that matches the color causing the problem.
    image
    CAUTION

    We recommend placing the toner cartridge and drum unit assemblies on a clean, flat surface with disposable paper underneath it in case you accidentally spill or scatter toner.

    IMPORTANT

    To prevent damage to the machine from static electricity, DO NOT touch the electrodes shown in the illustration.

    image

  7. Push down the green lock lever and remove the toner cartridge from the drum unit.
    image
    image
    To avoid print quality problems, DO NOT touch any surface of the drum unit except the drum unit gear.
  8. Lift the drum unit frame by the handle and rotate it counterclockwise, as shown.
    image
  9. Loosen your grip so the frame drops forward, and then use your right hand to locate the drum unit gear inside the right side of the frame.
    image
    image
    To avoid print quality problems, DO NOT touch any surface of the drum unit except the drum unit gear.
  10. Tilt your left hand up to lift the frame so the numbered grid is visible, as shown. Use your right hand to rotate the drum while you look for marks or debris on the drum surface.
    image
    image
    Use the column numbers next to the drum roller to find the mark. For example, a dot in column 2 on the Drum Dot Check Sheet would mean that there is a mark in the “2” region of the drum.
    image
  11. Wipe the surface of the drum gently with a dry cotton swab until the mark on the surface comes off.
    image
    NOTE
    DO NOT clean the surface of the photosensitive drum with a sharp object or any liquids.
  12. Reinsert the toner cartridge firmly into the drum unit until you hear it lock into place.
    image
    image
    Make sure you put the toner cartridge in correctly or it may separate from the drum unit.
  13. Slide the toner cartridge and drum unit assemblies into the machine. Make sure that you match the toner cartridge color to the same color label on the machine.
    image
  14. Close the machine's top cover.
  15. Press image to turn on the machine.
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