Level the Print Bed


Goals

 

 

Using the Shim Bed Level Utility

When you are not running a utility, if you need to manually raise or lower the print bed, you can simply push up or down on the print bed or stage. 

To use the Shim Bed Level Utility:

  1. Press the menu button in the upper right corner of your printer's LCD touchscreen.



  2. Select the "Bed Level" tile from the available options.



  3. Select the "Shim Bed Level" tile from the available options.



  4. Read the warning about putting pressure on the print bed during leveling and press "Next".



  5. Make sure you have both shims and the 2.5mm Allen wrench and press "Next" on the touch screen.



  6. Loosen each thumb screw to its lowest point and press "Next" on the touch screen.



  7. Slide the plastic shim between the print bed and the nozzle and press "Next" on the touch screen.



  8. Adjust the thumb screw until you feel slight resistance on the shim and press "Next" on the touch screen.



  9. Repeat Steps 7 and 8 for each thumb screw, as prompted by the utility.
  10. When prompted by the utility, repeat Steps 7 and 8 again for all three thumb screws to verify the tension on each.
  11. Slide the Fiber Shim between the nozzle and the print bed and press "Next" on the touch screen.



  12. Use the 2.5mm Allen Wrench to adjust the fiber nozzle height until you feed slight resistance on the fiber shim.



  13. Double check the resistance on both shims and press "Next" to move on to the Fiber Nozzle Calibration, "Retry" to re-level the print bed, or "Exit" to exit the utility.



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Adjusting the Fiber Nozzle Height

The Fiber Nozzle Calibration Test Print is designed to tell you if your Fiber Nozzle is set too high or too low. If your Fiber Nozzle is not set correctly, it can cause stringing or groove marks in the finish of your part, among other issues.

The Fiber Nozzle Calibration Test Print is made up of a series of 0.025mm steps that show the height difference between the plastic nozzle and fiber nozzle. During the course of the print, the fiber nozzle is dragged over the steps at a constant height and leaves marks on the steps that it hits.



The steps on the part are numbered to help show how accurately calibrated the Fiber Nozzle is. The steps increase in height from left to right, meaning that "Step -2" is the lowest and "Step 2" is the highest. A correctly calibrated Fiber Nozzle would first hit the part in the "Step 0" box. Because the fiber nozzle is dragged across the part at a constant height, if the nozzle hits "Step 0", it will also hit the taller steps to the right of it. Look for the lowest step that the fiber nozzle hits.

During this print the fiber nozzle drags across the part three times and pauses between each drag to let you see where the nozzle hit and adjust the fiber nozzle height. It may be easier to take the print bed out of the printer and hold it up to the light to see the marks on the steps better.

To run the Fiber Nozzle Calibration Test Print from your Printer:

  1. Clean your print bed and apply glue as shown in the picture below. Place your print bed into your printer.



  2. Press the menu button in the upper right corner of your printer's LCD touchscreen.



  3. Select the "Bed Level" tile from the available options.



  4. Select the "Adjust Fiber Nozzle Height" tile from the available options.



  5. Select "Print Staircase" on your printer's touch screen.



  6. When the print finishes, press the "Next" button on the printer's touch screen.



  7. Once the fiber nozzle has finished heating, press "Next" to swipe the nozzle over the staircase print.



  8. Examine the part without removing it from the print bed, and identify the left-most box that has a drag mark from the fiber nozzle running over the part.
    • If the line begins in the "Zero" box, your nozzle is correctly calibrated.



    • If the line begins in a negative numbered box, your nozzle is too low.



    • If the line begins in a positive numbered box, your nozzle is too high.



  9. Use a 2.5mm Allen wrench to adjust the fiber nozzle height on the print head.
    Note: A rotation of 18 degrees of the adjustment screw will raise or lower the fiber nozzle by one step height in the test print. Rotating the Allen wrench in a Counter-clockwise direction will cause the Fiber Nozzle to move up.
  10. Press "Next" on the printer's touch screen to swipe the nozzle over the part again. Continue swiping and adjusting the part until your nozzle is correctly calibrated or you have swiped three times.



  11. After the third swipe, press "Done" if the nozzle is correctly calibrated or "Retry" if the nozzle needs further calibration.
    Note: If the fiber nozzle was high when it swiped over the part, the nozzle can be swiped over that row again for further adjustment/checking. This will not affect the printer or calibration. If the nozzle was too low when it was swiped over the part, the nozzle can still be swiped over that row again, but will not provide any further diagnostic information.



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Running the Bed Level Test Print

An out-of-level print bed can cause even simple prints to fail. If you are unsure about how level your print bed is, you can run the Bed Level Test Print. If the part comes out clear or transparent, then your bed is correctly leveled. If parts of the test print are white or uneven, then your bed needs to be leveled. For more information, please see Level the Print Bed.

To run the Bed Level Test Print:

  1. Apply glue to your print bed as shown in the picture below and place your print bed into your printer.



  2. Press the menu button in the upper right corner of your printer's LCD touchscreen.



  3. Select the "Utilities" tile from the available options.



  4. Select the "Test Prints" tile from the available options.



  5. Select the "Bed Level Test Print" tile.



  6. Evaluate your Bed Level Test Print disks to see if you bed needs to be adjusted. Hover over each of the disk descriptions below to see a picture for comparison with your results.
  7. If any of your bed level disks indicate a high or low nozzle, complete the following steps and then re-evaluate your results:
    • Remove the print bed from the printer and use the provided scraper to peel the disks off the print bed.
    • Use warm water to clean the glue off your print bed.
    • Reapply glue to the print bed in the same spots as before.
    • Run the "Level Print Bed" utility again but do not loosen the thumb screws under the print bed when prompted too. Base your adjustments off of the results of the Bed Level Test Print.

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