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jean-marc.demoulin0198
(@jean-marc-demoulin0198)
New Member
Initial Calibration failure

Hi,

my first auto test and calibrations have been said ok (orthognal and everything clear)

then, trying to print: always (not always, mash calibration seems ok and juste after wehen beginning print) get a "contact" between bed and hot end in the front right part of the bed.

So: i decided to load a new complete XYZ calibration:

but at beginning, when printer is looking for point n°1, after some seconds mooving,  the head roughly  hurts the bed: panic cut off the printer

tried again and same issue....

Someone can help ?

Thank's ! Jean-Marc 

Country France.

 

Carpe Diem

Posted : 20/03/2020 3:34 pm
karl-herbert
(@karl-herbert)
Illustrious Member
RE: Initial Calibration failure
Posted by: @jean-marc-demoulin0198

Hi,

my first auto test and calibrations have been said ok (orthognal and everything clear)

then, trying to print: always (not always, mash calibration seems ok and juste after wehen beginning print) get a "contact" between bed and hot end in the front right part of the bed.

So: i decided to load a new complete XYZ calibration:

but at beginning, when printer is looking for point n°1, after some seconds mooving,  the head roughly  hurts the bed: panic cut off the printer

tried again and same issue....

Someone can help ?

Thank's ! Jean-Marc 

Country France.

 

Drive the nozzle close to the print bed and first move the X-axis from one stop to the other and observe the distance between the nozzle and the print bed. Then the same with the Y axis. If there are big differences, you have to try to align the bed manually. It also has to be plane. You can check that with a ruler.

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen.

Posted : 20/03/2020 7:14 pm
jean-marc.demoulin0198
(@jean-marc-demoulin0198)
New Member
Topic starter answered:
RE: Initial Calibration failure

@karl-herbert

Hi Karl, thank's for your response.

I finally unscrewed (loosen) a part of the extrusion chassis (front/right extrusion) and obtain something regular.

Then go again for a total "new setting" and calibration.

> Benchy seems to be great (in progress)

The thing i don' like on this printer is the PINDA offset positionning: not much freee cable permit only one turn max and if you slide the thing in the printed part it's very diffcult to controll and gives too much movement at one time. Not easy to have something precise.

I finally have a good first PLA layer with, -0,15. That's ok.

But, i think i love this Prusa... coming from an early (= an old...) Dagoma Disco it's a revolution.

Best regards. Jean-Marc.

Carpe Diem

Posted : 20/03/2020 7:57 pm
Dashy
(@dashy)
Active Member
RE: Initial Calibration failure

I just tried the self test a few times. It said X axis length when it failed. Therefore, I also want to get one of these smaller pulleys. How did you order it? Thanks

Posted : 20/03/2020 11:08 pm
karl-herbert
(@karl-herbert)
Illustrious Member
RE: Initial Calibration failure

@wdash

You mean this pulley? https://www.amazon.de/gp/product/B071J86YFX/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1

They are the smaller one with 16teeth. The larger one have 20teeth. https://www.amazon.de/gp/product/B07LF7CJ8D/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen.

Posted : 20/03/2020 11:23 pm
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