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Fixing GCode to resume where print stopped  

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zealousPrototype
(@zealousprototype)
Eminent Member
Fixing GCode to resume where print stopped

Hello,

I am trying to salvage a long print after the print stopped 90% of the way through. I followed this post to edit the GCODE but ran into an issue when comparing what the printer says its z value is vs what the GCODE says the value is. Layer number 783, which is the layer that did not get printed (i.e. layer 782 was the last layer printed) has a z-value in the GCODE of 156.6, however when I went into the printer settings to check the z value I got 166.6.

I am inclined to go with the GCODE value as layer 783 in the file should be the same when I restart the print at those coordinates but I dont want to use teh nozle as a battering ram on my part by mistake. Can anyone shed some light as to why the discrepancy is what it is?

Thanks for the help

Best Answer by zealousPrototype:

I started the print and it was about 1cm above where it should be. So I reset the printer, lowered it by a cm and it worked. The discrepancy I think was relative and since the printer doesn't know where it is it needs to be told

Posted : 05/05/2023 7:30 pm
zealousPrototype
(@zealousprototype)
Eminent Member
Topic starter answered:
RE: Fixing GCode to resume where print stopped

I started the print and it was about 1cm above where it should be. So I reset the printer, lowered it by a cm and it worked. The discrepancy I think was relative and since the printer doesn't know where it is it needs to be told

Posted : 05/05/2023 7:58 pm
ImAlias
(@imalias)
Active Member
RE: Fixing GCode to resume where print stopped

I got a thermal error after about 19 hours of printing.  This is my first attempt at restarting a print.  Could someone please look at the attached and tell me if I did this correctly?  I commented out some lines.  Did I do the right ones?  Did I miss any?  My print stopped at about Z37.65.  After the first appearance of Z37.65 the code shows Z37.25 a couple rows later.  Why would it go down?  Should I start at a point later where Z37.65 is in that second position in the code?  And is there a "Restarting GCODE for Dummies" training somewhere?   Also - the printer was turned off after the error.  When I try to move the Z axis now it seems to think it's at 0 even though it's at the top of what's printed so far.  I can't let it refind the true 0 because the print already there is in the way. 

Posted : 24/02/2025 3:40 pm
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