Some thoughts:
1) look at the gcode in cura layer view - did you do that? Pay especial attention where it fails.
2) look at the gcdoe in repetier host. It's free software:
http://www.repetier.com/download/
3) Marlin has a temp cutoff - if the temp is below 170C (or some other cutoff temp) the extruder stops turning. Could you be below that cutoff?
4) USB printing is pretty unreliable. Typically Marlin gets tons of checksum errors and the data is resent many times. That is what those errors are I think. Try changing cables, try turning off fluorescent lights, or things with motors. Don't touch any light switches in the room while printing. Try a different machine which might have a better USB port. Try a USB hub which might have a higher boost voltage for USB.
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origamimavin 0
I've been able to get some prints to work, but not others. I keep getting this error message in cura as it's printing, sometimes as it messes up, sometimes it keeps printing:
< Serial Error: Line Number is not Last Line Number+1, Last Line:2
< Serial Error: Line Number is not Last Line Number+1, Last Line:2
< Serial Error: Line Number is not Last Line Number+1, Last Line:3
< Unknown command:
< N4T0*30
< Serial Error: Line Number is not Last Line Number+1, Last Line:2
< Unknown command:
< N4T0*30
< Serial Error: Line Number is not Last Line Number+1, Last Line:5
^I'm getting these errors on just about all the prints. What could be causing this?
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