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Cr-10 nozzle is cold, scrren says it is 264-265 degrees

by stevesherrin

This started suddenly during the middle of the print (which stopped dead at that point). The screen says the nozzle is at 264-265 degrees and the nozzle is room temp and won't heat. I figured the thermistor must have blown so I shut it down and replaced both the thermistor and the heater but it still says it is at 264-265. Any thoughts on what could be causing this?

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Magnetic Print bed

by tito114

Hiya peeps! I have a question for you all. who here has a magnetic bed? Did you make your own if so how did you make it? I have 12 options but I'm trying to decide which way to go.

I saw this on amazon:
https://www.amazon.com/dp/B07GGL5M4X/?coliid=I2ZI3QHGWCKPTC&colid=1B3G95C34CUH9&psc=0&ref_=lv_ov_lig_dp_it

it says it can handle 80 degrees, but out of curiosity will doubling up the magnetic sheet increase its heat resistance?

or this route:
https://www.youtube.com/watch?v=-HI0PLQ3ThU&t=354s

I woud prefer the first option since i like to print with PETG a 75 degree bed.

What do you all think?

cr-10 heated bed magnetic bed print surface Printbed
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Extruder heating way past desired temp

by TheGuyWithARock

Been having some problems with my extruder for my cr10 so I ordered this replacement from creality: https://www.amazon.com/dp/B07CKQRT89/ref=cm_sw_r_cp_apa_VF0CBb456WPHZ

Now I installed it and securely soldered the connections and now when I preheat it the temp rises past the desired 195 to 230(or probably past as it starts smoking and emits a foul odor) so I turn off as to not damage the parts. Im at a loss, is this not the right part? Could it be a faulty connection? It displayed the temp rising so I I can only assume itd actually shooting past the 195 mark.

Any advice would be greatly appreciated!

Thank you!

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HELP!!

by OmniProps

I was trying to make sure that my x axis was level. I printed off 2 brackets so I could level the x axis and I noticed it was off by a good deal. I was checking the rollers and what i show in the video is what I found. The roller is very loose I tried tightening it but nothing worked any suggestions? Thanks

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Z-Axis missing 0.5mm

by Ins0mn1a

When Z-axis is at home (+/- 0), and I move it 1mm (printer menu or OctoPrint), it only moves 0.5mm. From then on, it always moves 1mm, i.e. on 10 my caliper shows 9,5mm, on 20 it´s 19,5 and so on.
First Idea was to ensure Z-axis does move equally on both sides. After a bit fine tuning all fine, no matter if I f.e. move to 30 then down to 20 -> 19,5 and move to 10 then move to 20 -> 19,5, values taken right side of x axis .
Also checked the limit switch and coupling, all fine.
Then I installed Marlin 1.1.6, and had a look on jerk and acceleration speed. Even with half the values, the problem persists.
To check if it is a software problem,I moved the z-axis to ~50mm, then let him move to auto home. When at ~30mm, i pressed the limit switch two times. Moving from there +10mm up, he moved exactly 10mm.
Any ideas?

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