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Posted · AA vs BB print head

It is very rare but there were some print cores in the past which were programmed wrong.

Can you see a difference between the AA and BB print core? 

Are you sure you correctly unloaded and loaded the print core via the printers menu?

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    Posted · AA vs BB print head

    Visually I cannot tell the differences. I tried a few times to insert THE print core (labeled as AA) the printer kept showing as BB. If I insert another print core (AA), the printer detects the right print core (AA). I have eight print cores in hand (I know, crazy!!). I have tried 5 of them since I have extruding issue before, four of them are detected as they should be. lol  

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    Posted · AA vs BB print head

    No real need for a replacement, you can reprogram the printcore using the printer itself and ssh commands using software like putty on Windows or terminal on Mac.

     

    Set printer into developer mode and make sure its linked to your network that the computer is on also.

    • In putty type: ultimaker@1.2.3.4 (1.2.3.4 edit this to match the printers network ip address what can be seen on the printers network display screen if unsure)
    • username/password is:   ultimaker/ultimaker (so just ultimaker for both)
    • AA 0.4

      sendgcode M151 T0 A8 D7800000000004141
      sendgcode M151 T0 A16 D20302E3400000000

      BB 0.4

      sendgcode M151 T1 A8 D7800000000004242
      sendgcode M151 T1 A16 D20302E3400000000

      AA 0.8

      sendgcode M151 T0 A8 D7800000000004141
      sendgcode M151 T0 A16 D20302E3800000000

      BB 0.8

      sendgcode M151 T1 A8 D7800000000004242
      sendgcode M151 T1 A16 D20302E3800000000

      AA 0.25

      sendgcode M151 T0 A8 D7800000000004141
      sendgcode M151 T0 A16 D20302E3235000000

      BB 0.25

      sendgcode M151 T1 A8 D7800000000004242
      sendgcode M151 T1 A16 D20302E3235000000

      AA 0.4

      sendgcode M151 T0 A8 D7800000000004141
      sendgcode M151 T0 A16 D20302E3400000000

      BB 0.4

      sendgcode M151 T1 A8 D7800000000004242
      sendgcode M151 T1 A16 D20302E3400000000

      AA 0.6

      sendgcode M151 T0 A8 D7800000000004141
      sendgcode M151 T0 A16 D20302E3600000000

      BB 0.6

      sendgcode M151 T1 A8 D7800000000004242
      sendgcode M151 T1 A16 D20302E3600000000

      AA 0.8

      sendgcode M151 T0 A8 D7800000000004141
      sendgcode M151 T0 A16 D20302E3800000000

      BB 0.8

      sendgcode M151 T1 A8 D7800000000004242
      sendgcode M151 T1 A16 D20302E3800000000

    Send one the following codes that match the print core you want to program it to, keep in mind T0 is left slot and T1 is right slot (as facing the printer) So in your case if ts meant to be a AA 0.4 core you need the print core in the left slot and send the codes:

     

    sendgcode M151 T0 A8 D7800000000004141
    sendgcode M151 T0 A16 D20302E3400000000

     

    When done, take the core out and take the printer back out of developer mode and then reload the print core as normal and it should now read it as a AA 0.4.

     

    Note no  X,Y,Z offset calibrations will be lost or other data from the core.

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