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So after a lot of work I finally got my Anet A8 printing but then disaster struck. It has stopped working again but with a new problem. The first few strokes of printing are fine but then it goes really stringy and the lines are very very thin so the result is a very stringy mess with holes and gaps everywhere. I am also using PLA from RS and my G-code and some images are below:

Stringy print

G-code: https://www.mediafire.com/file/p4odlic1372q78z/xyzCalibration_cube.gcode

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The most likely problem is that you have a jammed nozzle. To fix this heat the hot end up to about 140°C then insert some PLA filament push it through and then pull it out forcefully. That should solve your problem.

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  • $\begingroup$ wait 240 degress or 140? $\endgroup$ – Vosem Media Oct 30 '17 at 16:11
  • $\begingroup$ @VosemMedia 140 $\endgroup$ – joebrad27 Nov 8 '17 at 21:37
  • $\begingroup$ @VosemMedia First heat up to about 220 °C, insert filament, let it cool a bit and pull it out, see this answer. Filament heating up to 140 °C will not lead to melting the old filament to bond with the newly inserted! $\endgroup$ – 0scar Sep 6 '18 at 13:25

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