1. Asked: 1 year agoIn:

    Jerking Extruder Motor on Used Creator Pro Printer

    Mohamed Elgendy
    Best Answer
    Mohamed Elgendy Print Jedi Additive manufacturing Engineer

    The issue you're experiencing with the extruder motor on your Creator Pro printer could be caused by a few different factors. Here are some possible solutions to try: Check the filament path: Make sure there are no obstructions or clogs in the filament path, such as debris or partially melted filameRead more

    The issue you’re experiencing with the extruder motor on your Creator Pro printer could be caused by a few different factors. Here are some possible solutions to try:

    1. Check the filament path: Make sure there are no obstructions or clogs in the filament path, such as debris or partially melted filament. Clean out the extruder and hot end to ensure smooth filament flow.
    2. Inspect the extruder gear: Take a close look at the extruder gear that grips the filament. It’s possible that the gear teeth are worn down or damaged, preventing it from properly gripping the filament. If necessary, replace the gear with a new one.
    3. Adjust the motor current: The jerking motion could be a result of insufficient motor current. Check the motor current settings in your printer’s firmware and increase them slightly if needed. This adjustment can usually be made through the printer’s LCD menu or in the firmware configuration files.
    4. Recheck the stepper motor wiring: Ensure that the wiring connections between the stepper motor and the control board are secure and properly seated. Sometimes, a loose or faulty connection can cause erratic motor behavior.
    5. Update or re-flash the firmware: While less likely, it’s possible that there may be a firmware issue causing the problem. Consider updating or re-flashing the firmware on your printer to the latest version, or even try a different firmware like Marlin to see if it resolves the issue.

    If you’ve tried these troubleshooting steps and the problem persists, it’s possible that the stepper motor itself is indeed faulty and may need to be replaced.

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  2. Asked: 1 year agoIn:

    How can I disable bed leveling before each print on my Ender 3 Pro with CR Touch and SKR Mini E3V3?

    Mohamed Elgendy
    Best Answer
    Mohamed Elgendy Print Jedi Additive manufacturing Engineer

    To disable bed leveling before each print and use the stored mesh (UBL) on your SKR Mini E3V3 with CR Touch, you'll need to make changes in both the firmware and Cura slicer settings. Don't worry, it's not too complicated! Just follow these steps: Firmware Changes: Locate the Marlin firmware files fRead more

    To disable bed leveling before each print and use the stored mesh (UBL) on your SKR Mini E3V3 with CR Touch, you’ll need to make changes in both the firmware and Cura slicer settings. Don’t worry, it’s not too complicated! Just follow these steps:

    1. Firmware Changes:
      • Locate the Marlin firmware files for your SKR Mini E3V3 board.
      • Open the “Configuration.h” file with a text editor.
      • Look for the line that mentions AUTO_BED_LEVELING_UBL and remove the // in front of it to uncomment it.
      • Save the changes and upload the firmware to your SKR Mini E3V3 board using the appropriate tools (e.g., PlatformIO, Arduino IDE).
    2. Cura Slicer Changes:
      • Open Cura slicer on your computer.
      • Go to the “Preferences” or “Settings” menu and select “Printer” settings.
      • Find the “Start G-code” section.
      • Add the following line to the start G-code section: M420 S1.
      • Save your printer settings.

    That’s it! With these changes, your printer will no longer perform bed leveling before each print and will instead use the stored UBL mesh. These adjustments will ensure a smoother printing experience.

    Remember to upload the updated firmware to your printer and update the printer settings in Cura to see the changes in action. Happy printing!

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  4. Asked: 1 year agoIn:

    How can I print debug information to the terminal in Marlin?

    Mohamed Elgendy
    Best Answer
    Mohamed Elgendy Print Jedi Additive manufacturing Engineer

    If you're using Marlin firmware and want to print debug messages to the terminal, you can achieve this by using the M118 command. M118 is the equivalent of System.out.println() or Console.WriteLine() in other programming languages. Here's what you can do: Open the Marlin firmware files in a text ediRead more

    If you’re using Marlin firmware and want to print debug messages to the terminal, you can achieve this by using the M118 command. M118 is the equivalent of System.out.println() or Console.WriteLine() in other programming languages.

    Here’s what you can do:

    1. Open the Marlin firmware files in a text editor of your choice.
    2. Look for the “Configuration_adv.h” file, which contains advanced configuration options.
    3. In this file, find the section that defines the SERIAL_MOTOR_DEBUG option. By default, it is usually commented out with // at the beginning of the line. Remove the // to uncomment and enable serial debugging.
    4. Save the changes to the “Configuration_adv.h” file.
    5. Now, you can use the M118 command to send debug messages to the terminal. The syntax for M118 is as follows:

    M118 P<message>

    Replace <message> with the debug message you want to display. For example:

    M118 P”Variable X changed its value!”
    1. In your firmware code, identify the appropriate location where you want to add the debug message. This could be within a conditional statement or whenever the specific variable changes its value.
    2. Insert the M118 command with the desired debug message at the relevant location in your code. Here’s an example:
      if (variableX != previousValueX) {
      M118 P"Variable X changed its value!";
      previousValueX = variableX;
      }
    3. Save the changes to the firmware files.
    4. Recompile and flash the modified firmware to your printer.

    Once the modified firmware is flashed and running, the debug messages specified by M118 commands will be sent to the OctoPrint terminal or any connected terminal software.

    Note that M118.cpp is primarily designed to parse strings given by the user, but you can adapt it for your debugging purposes by embedding the M118 commands directly in the firmware files.

    I hope this explanation helps! Feel free to ask if you have any further questions.

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  5. Asked: 1 year agoIn:

    Problems with BLTouch on Ender 3 Pro

    Mohamed Elgendy
    Best Answer
    Mohamed Elgendy Print Jedi Additive manufacturing Engineer

    "Hey there! I'm sorry to hear that you're facing issues with your BLTouch on the Ender 3 Pro after installing the dual Z-axis. I had a similar problem before, and here are some steps that might help you troubleshoot the issue. Firstly, double-check the wiring connections for the BLTouch and ensure tRead more

    “Hey there! I’m sorry to hear that you’re facing issues with your BLTouch on the Ender 3 Pro after installing the dual Z-axis. I had a similar problem before, and here are some steps that might help you troubleshoot the issue.

    Firstly, double-check the wiring connections for the BLTouch and ensure they are correctly connected to the motherboard. Make sure the wires are securely seated in their respective connectors and that there are no loose or damaged connections.

    Secondly, verify if your printer’s power supply can handle the additional load from the BLTouch and dual Z-axis. Sometimes, insufficient power can cause the BLTouch to malfunction. Consider upgrading your power supply if necessary.

    Next, review the firmware configuration for the Z-axis. When you installed the dual Z-axis, you might need to adjust the firmware settings to accommodate the new setup. Make sure you have the latest firmware installed and properly configured for your setup.

    It’s also important to ensure that the BLTouch is correctly mounted and aligned with the printer’s nozzle. Improper alignment can lead to inaccurate probing. Perform a thorough calibration of the BLTouch using the printer’s menu options to ensure it is properly calibrated for your bed.

    Lastly, confirm the compatibility of the BLTouch and dual Z-axis with your Ender 3 Pro’s v4.2.2 motherboard. Check if there are any known compatibility issues or specific firmware configurations required for the dual Z-axis and BLTouch combination.

    If you’ve already tested the BLTouch under the test section of the menu and it works fine, the problem might lie with the configuration or wiring. I suggest revisiting the installation steps for the dual Z-axis and BLTouch to ensure everything was done correctly. If you’re unsure about any specific steps, consult the installation instructions or reach out to the manufacturer or the Ender 3 Pro community for further assistance.

    I hope these suggestions help you resolve the issue with your BLTouch. Good luck, and let us know if you have any further questions!”

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  6. Asked: 1 year agoIn:

    Problems encountered when printing and clearing filament residue.

    Mohamed Elgendy
    Best Answer
    Mohamed Elgendy Print Jedi Additive manufacturing Engineer

    I noticed that you’re encountering a few issues with your Ender 3 Pro 3D printer. Let’s go through each problem and find some solutions: Light and thin prints: If your prints are coming out lighter than expected and easily scrape off, there are a few things you can try: Calibration: Make sure your pRead more

    I noticed that you’re encountering a few issues with your Ender 3 Pro 3D printer. Let’s go through each problem and find some solutions:

    1. Light and thin prints: If your prints are coming out lighter than expected and easily scrape off, there are a few things you can try:
      • Calibration: Make sure your printer is properly calibrated, including the bed leveling and the extruder steps per millimeter (E-steps). This ensures that the nozzle is at the correct height and the right amount of filament is being extruded.
      • Nozzle clogging: Check if your nozzle is clean and not partially clogged. Partial clogs can lead to inconsistent extrusion and lighter prints.
      • Extrusion settings: Verify that your slicer software has the correct extrusion settings. Ensure the filament diameter is set correctly and adjust the flow rate/extrusion multiplier if needed.
      • Filament quality: Poor quality or improperly stored filament can affect print quality. Try using a different spool of filament from a reputable manufacturer and store it in a dry environment.
      • Print speed and temperature: Experiment with adjusting the print speed and temperature settings. Lowering the print speed or increasing the temperature slightly may improve adhesion and layer bonding.
    2. Filament getting stuck on support rods: If the filament is getting stuck on the support rods, try the following:
      • Check the filament path: Ensure the filament path is clear of obstructions or debris. Clean the filament guide tube and remove any dust or dirt that might impede filament movement.
      • Lubrication: Apply a small amount of lubricant, like sewing machine oil, to the support rods. This can reduce friction and help the filament move smoothly.
      • Filament guide modification: Consider using filament guide modifications, such as filament guide tubes or upgraded filament guides, that provide a smoother path for the filament and minimize the chances of it getting stuck.
    3. Stuck prints on the bed: If you’re having trouble removing prints from the bed, here are some suggestions:
      • Wait for the bed to cool down: Allow the bed to cool completely before attempting to remove the print. This can help reduce adhesion between the print and the bed.
      • Use a spatula or scraper: Gently use a spatula or scraper tool to carefully lift the edges of the print. Apply gentle pressure to gradually separate the print from the bed. Be cautious not to damage the bed or the print.
      • Apply heat: If the print is still stubbornly stuck, you can try applying a controlled amount of heat to the bed. Use a heat gun or a hairdryer on a low setting to warm up the print bed, which can help release the print.
      • Use a release agent: Applying a release agent like a glue stick, hairspray, or specialized 3D printing bed adhesives before starting the print can make it easier to remove the prints afterward.

    Remember to prioritize your safety while working with hot components or sharp tools. Also, consult your printer’s manual or online resources specific to your printer model for additional troubleshooting tips.

    I hope these suggestions help you overcome the issues you’re facing. Happy printing!

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