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V4 Printhead upgrade for the UP BOX

Posted: Tue May 23, 2017 10:02 am
by markbougourd
I have just fitted my V4 printhead upgrade to my original UP BOX and find its not getting to temperature.
It extrudes and withdraws at correct temperature 260° but when asked to print it struggles to get to temperature and will not print.
I have an upgraded CPU board as well. Print head gets to 260 then 270 ok but falls short of the 280 to print.
How can I change this as never had it with the old printhead.