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Weedo X40 / X40 PRO printer setup

For all those who have not yet put a 3D printer into operation, this should be a small introduction. I wrote this tutorial because the Weedo instructions are incomplete. My printer was adjusted so that the Weedo instructions did not work.

Please note that the footprint of the printer affects the printer configuration. If you move the printer to a different location, you have to rerun the bed leveling and the Z offset.

With a firmware update it is possible that the set configuration is lost. You can use the parameter backup function to save some parameters on the MicroSD card and import them again. With the latest X40 PRO firmware, all important parameters can be saved.


1. Assembly

Assemble the Weedo X40 according to the assembly instructions.
 

2. Mains voltage

Check whether the correct mains voltage is set and correct it if necessary. You will find the mains voltage switch on the back of the control panel.
 

3. Check cable connection

Check all cable connections, including the preinstalled ones. In particular, the cables from the drives for the X-axis tend to loosen because they hang overhead. Loosened cables can lead to Home Failed, for example.
 

4. Setting the language

Switch on the printer for a function test and the setting of the language. The main switch is on the left and the power switch next to the display. After switching on, set the language. Before you do any further adjustments and tests, you should be aware that the firmware of the Kickstarter models still contains bugs. I would therefore advise you to update the firmware.
 

5. Firmware  update

Check which firmware version is installed on the printer. If there is a newer version on the Weedo homepage, you should install it first. The older firmware versions contain major errors that can damage the printer! If necessary, install the firmware according to the Weedo instructions. The printer only works from version 1.2.5. quite reliable. If you are still using an older version, you should update the firmware.

Attention:
There are two hardware versions of Weedo X40. Please make sure to install the correct version, otherwise the printer will not work properly. If you have installed the wrong firmware then only Weedo Flashing Software can correct it. The software and also the current Weedo Stock Firmware (Community_to_Official Firmware) can be found on the X40 PRO Firmware page.
 

6. X-axis prealignment

First we check whether the X-axis on which the two nozzles move is aligned horizontally. With an inclined X-axis, the components will not be exactly right-angled later. To do this, we need a spacer with two parallel surfaces. The distance between the surfaces should be approx. 50 to 100mm. I used a tin can for this. If you have installed the breasts, you should dismantle them for the adjustment. Place the spacer below the left brush on the base frame and carefully drive down the X-axis via the touch display until the sheet metal hits the breasts are attached exactly to the upper edge of your spacer. Now take the distance age and check the distance on the right side. If the distance is too big or too small, turn the coupling of the drive motor for the Z-axis by hand. If the distance on the left and right are the same, then the X-axis should be as horizontal as possible.
An exact alignment takes place later through the Bettleveing. The printer moves the print heads all the way up to the end stop and synchronizes the motors with it.
 
 

7. Set the Z-Level and Bed Level correctly

The correct setting of the Z-height is particularly important with the X40, since an incorrect Z-setting can damage the printer. The Weedo X40 is equipped with a so-called proximity switch. This sensor switches when a magnetic material reaches a distance of approx. 4mm. Since the printer cannot keep exactly at a distance of 0mm between the nozzle and the bed when taking measured values, a safety distance must be provided.

  1. Use the handwheels on the bed to adjust the corners of the bed so that the compressed spring is approx. 10mm - 11mm long. The distance must not be less than 10mm, otherwise you cannot set the Z offset. The lateral guide rollers then collide with the T-plate. If the distance is too great, it can happen that the bed set changes or becomes possible in XY movements.

  2. Use the arrow keys to move the left nozzle to the center of the print bed. Finally, use the arrow buttons on the display to reduce the distance between the nozzle and the heating bed to approx. 1-1.5mm. Now loosen the screws from the sensor and adjust the sensor so that the LED on the sensor just lights up.

  3. Now reduce the distance between the nozzle and the bed to approx. 0.5 mm. Carefully approach the corners of the bed, making sure that the nozzle does not collide with the bed. Now roughly adjust the bed using the handwheels so that there is approx. 0.5mm air between the nozzle and the bed.

  4. Now perform Z-Offset on the display. After the platform has been measured, the nozzle moves to the center of the bed. Place a sheet of paper between the nozzle and the bed and use the arrow keys to reduce the distance until the ball can just barely move. The offset value displayed should now be between -1mm and -1.5mm. If the offset is between -1mm and 0mm or even in the positive range, then the switching point of the sensor is wrong and a crash can occur. If necessary, adjust the sensor again. The sensor should switch when the nozzle is about 1mm to 1.5mm away from the bed. Click Save and complete the process and save the offset value!

  5. Now carry out Bed leveling via the display and set the bed exactly. Use a piece of paper to adjust the distance between the nozzle and the bed. The distance is correct if you can just move the paper in XY-directions without it kinking. The Z-height and the bed should now be set correctly. If the nozzle touches the print bed when using the bed knife, then you have done something wrong. When measuring, the nozzle must not touch the bed and certainly not press it down, otherwise the printer will spin and the printer may be damaged!

 
 
 

 

8. Printer calibration

If you are using the X40 PRO firmware or want to get better results with the stock firmware then you need to calibrate the printer. When using the X40 PRO firmware, a printer calibration must always be carried out.
Without a printer calibration, the desired print quality (nice surface, dimensional accuracy, etc.) may not be achieved.

 

9. Adjust the Z-height of the right nozzle

Some have trouble getting the Z-Offset on the Weedo X40 print head right, so here's my tip. If your print bed is not aligned, then perform a manual bed leveling beforehand. Start the printer and move both printheads to the center of the print bed. Use the arrow keys on the display to move the printheads about 0.5 to 1mm over the print bed. Use a sheet of paper and place it between the print bed and both nozzles. Loosen the screw from the right extruder to adjust the height. Carefully lower the print heads using the arrows on the display until the sheet is pinched at the left nozzle. Press the right nozzle against the sheet of paper while tightening the screw. Both nozzles should now be pinching the paper and aligned. If the right nozzle is longer than the left one, you must first lower the left nozzle using the screw. Finally, don't forget to start the Z offset via the display.

 
 

10. Set the XY offset of the right nozzle

You can set the XY offset using the Weedo XY Test Tool or follow the article.
 

11. Optional WiFi setup

 

12. Optional USB setup

 
 
 
 

Please note:

Please note that you have now only set up the hardware to your current status. It may be that a software adjustment to your hardware is now necessary (e.g. material flow). In addition, it must be taken into account that the processes must be repeated if there is a change, e.g. due to a nozzle replacement. The print bed can also be misaligned by removing it from the print object.
 
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