Cleaning the customer-replaceable corona wires and developer area

Procedure:

Do this procedure to clean the corona wires and developer area. Use this procedure when your printer has the customer-replaceable corona wires installed.

  1. Open the right front cover of the printer (1) and locate the preclean, precharge, and charge coronas.
  2. Do the following to clean the preclean, precharge, and charge corona wires:
    Important:
    There is no device to prevent you from pulling the corona assembly out of the printer. Be careful not to break the thin wires. Do not touch the wires.
    1. Locate the three cleaning-brush levers for the preclean (1), precharge (2), and charge (3) coronas. These levers engage the cleaning bushes inside each corona housing.
      Cleaning-brush levers
      Note:
      Grasp the corona assembly from each side of the handle as shown below. If you grasp the assembly at the bottom, the cartridge will pop out and the wire will break.
      Grasping corona assembly from each side
    1. Pull the corona assembly (1) out several inches until you can see the cleaning brush inside the corona housing.
      Engaging the cleaning brush
    2. Press and hold the cleaning-brush lever (2) to engage the cleaning brush.
    3. Pull the corona assembly (3) back and forth several times while continuing to press the lever (2) so that the brush cleans the corona wire.
      Cleaning the corona wires
    4. Release the lever.
    5. Gently push each corona assembly back into place. Make sure that the corona assembly is pushed in completely.
  3. Use a cloth or paper towel to wipe away any paper dust, toner, or other debris from the developer area.
  4. Close the right front cover of the printer by lifting the cover hinge bar and sliding the bar toward the printer.
    Lift the cover hinge bar
    Important:
    The printer right front door must be completely closed whenever the printer is running. Light entering the printer can significantly reduce print quality.
  5. Open the printer center front cover (1).
  6. Open the transfer station by pushing the transfer station control lever (2) to the left and locate the transfer corona.
    Opening transfer station and center front cover
  7. Pull the transfer corona assembly back and forth several times to clean the corona wire. The cleaning brush for the transfer corona is always engaged.
    Important:
    There is no device to prevent you from pulling the corona assembly out of the printer. Be careful not to break the thin wires. Do not touch the wires.
  8. Close the transfer station by gently pushing the transfer station toward the photoconductive drum and latch it in place, using the transfer station control lever (2).
  9. Close the printer center front cover (1).
    Closing transfer station and center front cover