Solved Holes/gaps in outer walls of prints.

I'm having problems with gaps in the outer layers of prints. I have a Robo 3D R1 plus+ with an e3d V6 hot end installed on it. Although I still had this problem on my old hexagon it seems worse on the new e3d v6. which leads me to believe its an extrusion problem like its jamming for a second then continuing. Any information would be helpful.

And I know there is already a thread about missing layers, but nothings been resolved in that thread and I think this is a completely different problem.

 

I was having a similar issue until I calibrated the extruder steps. I was under extruding by about 5%


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Can you walk me through how to do that please?

 

http://www.matterhackers.com/articles/how-to-calibrate-your-extruder


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This is also a good tutorial from. Toms guide


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Thank you I will try that out after my current print is finished and post an update tomorrow.