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Thanks for all the help. I thought I would post an update about solving the problem. I had installed a connector at the hotend so I was able to disconnect the connector and put a 100K resistor in the place of the thermistor. I then got a reading of exactly 25.0 displayed for hotend temperature. All ...

I have been having trouble with erratic readings from the hotend. Now today I tried to do a print and find that the temperature reading was mostly sticking to about 10 deg F but sometimes jumping up to 180 or so. The hotend was definitely hot ! (even when temp was showing about 10) Previously I was ...

I ran my test piece after changing steps to 80. Now I am amazed at how accurate the piece is

Height 25.01, 25.11
Sides 25.18, 24.97, 24.92, 24.99

I am using the MatterControl software which I downloaded just this weekend together with the settings from SeeMeCNC I am having exactly the same problem. I printed the PEEK fan shroud and it was nowhere near the right size. I used Sketchup to design a 25 mm cube and printed that. The height is 28.9 ...