Wiper Brush and Wiper Blade Inspection

Model [X] AON-M2 [X] AON-M2 2020
Category [X] Preventive [ ] Corrective [ ] Troubleshooting

Summary

This procedure gives the instructions on how to do an inspection of the wiper brushes and the wiper blades. Components that are clean and in good condition prevent:

  • Hot end that is clogged
  • Unwanted material in the print

Tools

Qty Description Specification
1 Hex Key 2.5 mm
1 Hex Key 3 mm

Personal Protective Equipment

Qty Description Specification
1 Safety Glasses N/A

Prepare the Machine

  1. Home XYZ.
  2. Lower the Z-axis by 200 mm.
  3. Push the E-stop button.
  4. Wait until the build chamber, build plate and hot ends are at room temperature.
  5. By hand, move the two tool heads to the center of the machine.

Wiper Components Inspection

  1. Clean the T0 wiper brush (1). Wiper and Brush
  2. Make sure that the bristles are straight and in good condition.
  3. Make sure that the wiper brush rubs against the flat surface of the hot end as shown in the figure below. The top of the brush should rub against the flat surface of the nozzle.
  4. Make sure that the screw (2) and the wiper brush are tight.
    1. If the screw is not tight, use the 3 mm hex key to tighten it by hand.

      The brush can move when tightened. Make sure that the component is at the proper height after manipulation. Failure to do so can lead to damage to the machine.

  5. If the wiper brush is damaged, replace the wiper brush.
  6. Clean the T0 wiper blade (3).
  7. Make sure that the wiper blade is straight and in good condition.
  8. Make sure that the wiper blade just touches the tip of the hot end as shown in the figure below. The tip of the blade should just touch the tip of the nozzle.
  9. Make sure that the screws (4) and the wiper blade are tight.
    1. If the screws are not tight, use the 2.5 mm hex key to tighten them by hand.

      The blade can move when tightened. Make sure that the component is at the proper height after manipulation. Failure to do so can lead to damage to the machine.

  10. If the wiper blade is damaged, replace the wiper blade.
  11. Do the steps 1. to 10. again for the T1 wiper brush and wiper blade.

Test and Return to Service

  1. Release the E-stop button.
  2. Home XYZ.

Last modified: March 12, 2021