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UM3 extended, Print error after firmware updation to 5.3.0.0


lancy
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Posted (edited) · UM3 extended, Print error after firmware updation to 5.3.0.0

Noticed error in printing after automatic nozzle switching.  Noticed this issue just after updating the firmware to 5.3.0.0.  The printer head seems like hardly hit on the right side corner and jumps Z coordinates by around 5-8mm,  while doing the automatic nozzle switching operation.   The x and y calibrations looks good (see picture attached). Z axis is good.  Just did a firmware update today morning and started noticing this problem. 

 

The above mentioned issue is detailed below in steps.

 

Print started, Print head, bed heated.

(1) step 1 - swtching nozzle 2- printing PVA base layer - Good.

(2) step 2 - switching nozzle 1 - printing ABS black layer - Good.

(3) step 3 - switching nozzle 2 - printing PVA 2nd layer -  Failed.  - Print head hit on right side while switching the nozzle and lost position. (found gap of 5-8mm between print head and base plate)

We need a solution soon. Please help.

 

IMG_2850.JPG

test print dual nozzle.gcode

Edited by lancy
attached gcode file
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    Posted · UM3 extended, Print error after firmware updation to 5.3.0.0

    I want to downgrade the firmware. Where can I find the older stable firmware's ?

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    Posted · UM3 extended, Print error after firmware updation to 5.3.0.0

    I don't have a UM3 myself. However, it has also happened to me that the calibration of the switching was lost during the Firmaware update.


    Downgrading the firmware does not help. You can calibrate the switch by heart via the menu and carry it out. Then everything should work again.


    This is described in the printer manual. Otherwise, there is certainly a YT video or a link at Ultimaker.

    https://support.ultimaker.com/hc/en-us/articles/360011474120-How-to-calibrate-the-Lift-switch-on-the-Ultimaker-3

     

    To avoid downgrades, you can get into the habit of updating the firmware via USB in the future. This way you have all software versions to choose from.

    Currently you can still download the 4.3.97.

    https://support.ultimaker.com/hc/en-us/articles/360011587199

     

     

     

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