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3D Printing:
My first 3D printer, assembling and setup


Contents:

  1. Introduction, unpacking and assembling sliders
  2. Installing the pillars on the bottom frame
  3. Installing the top limit switches and the top frame
  4. Installing the timing belts
  5. Installing the display and the filament feeder motor
  6. Installing electric devices and cables
  7. Adjusting the print bed
  8. Test print and test of Z-axis offset
  9. Installing CP2102 drivers and Cura
  10. Upload new 3D printer software - Marlin
  11. Mechanical calibration
  12. Setup Marlin 1.1.19
  13. Setup/Calibrate Marlin 2.0.0
  14. Tweaks
  15. Temperature P.I.D. optimizing
  16. Calibrate horizontal expansion
  17. Wind shield
  18. Replacing the nozzle heater
  19. To be continued

Note:
I take no responsibility or liability for what are written here, you use the information at your own risk!


7, Adjusting the print bed:

Now it's almost time to do a calibration of the 3D printer. Only some check of the printer platform to do first, it must be in correct position and stable.

Heating bed and printer platform:

3D printer, assembling and setup

Check that the cables to the heating bed is not squeezed against the frame, it can cause a shortcut ! You have to rotate the printer platform until the cables come to a position where there is space for them. I placed mine just at the side of the stepper motor


3D printer, assembling and setup

Push the plate downwards, important it's at the bottom, test that it don't wiggle. It must sit flat and in center, check that there are no cables squeezed between the platform and its holders.


3D printer, assembling and setup

Adjust the holders to grip the platform secure and hold it stable, check once again that the platform is placed in center of the frame. It's very important for the precision that this platform is stable.


3D printer, assembling and setup

On top of the aluminum platform this plastic cover shall be mounted.


3D printer, assembling and setup

Clean the aluminum surface, loosen the protection film on the backside.


3D printer, assembling and setup

Mount it in center and be careful to not get any bubbles below the plastic film.


3D printer, assembling and setup

Check that no cables is close to the heating bed from below, look from downside of the 3D printer.


3D printer, assembling and setup

Mount the calibration unit with its magnetic holder, note: it must be in this direction !


Power up:

3D printer, assembling and setup

Before powering it up the power supply, check carefully that it's setup to correct voltage, in Sweden we have 230 volt 50 Hz.


3D printer, assembling and setup

Switch the power on, yes it light up !


The following is obsolete, follow no 13 Setup / Calibrate Marlin 2.0.0 !

3D printer, assembling and setup

Starting the calibration and the print head start moving to 69 calibration points and measure the Z-axis distance to the platform. Look in your manual how to do this calibration.


3D printer, assembling and setup

When finished it parks the printer head. Now I do another calibration and fine adjust the offset. That is the Z-axis difference from the calibration, it is the distance from the nozzle and the calibration unit's tip.


3D printer, assembling and setup

If I understood it correct this is the offset they write about in the manual, I found it to be about 18 mm. Don't set it too short, it will then smash down in the platform, you will fine adjust it later with a test print.

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To page VIII, Test print and fine adjust of Z-axis offset

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