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26.Duplicator 9 Mark II assembly 


27.WANHAO CALL for  free upgrading D9/300  

Scope: D9/300 produced before 27th July 2018.

Series No.between 20180201001-20180727032 


It's our design issue.  We use the Mos chip for sensor which work at max limitation, if the electricity vary hugely, the mos chip would be burn and lost function that Z axis only move up and the distancsensor keep.   We have change it to triode to have 5A  more buffer.

      Solution:  To change the Splitter board( inter-board).   Wanhao provide free upgrading pack

                     (Including one splitter board, 2 white washer, 2 M3*6mm bolt) 


      1.  Please email your local distributor or WANHAO CHINA( Coco@wanhao3dprinter.com) with following information:

          A.  When and where did you purchase the printer?  Provide the proof of invoice or screen shot.

          B.  What is your name, address and phone number?  We ship FREE UPGRADING PACK by express mail within 10 days.

          C.  If you also need the FREE D9/300 RIB(strengthen bar, VALID until 20th Sept 2018), 

               please remit the shipping cost USD30 to our

               paypal account:  sales@wanhao3dprinter.com  Then write the transaction No. in the email.


       Recall Video                                        Upgrading Pack/How to upgrade

 28. How to replace the BL touch Pin?


29. How to clean the extruder Jam?

30. How to adjust the self tension system on X axis?

31. How to do primary leveling on D9?

32. How to clean the extruder clog of D9?

33. How to reverse install the motor?


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