Hi!
I recently purchased a CTC 3d printer. I printed with it 3-4 times without any troubles whatsoever.
But once I started to play around with the settings (removing the raft, lowering the temperature to 205 from 230 etc) i started to get alot of issues.
When i printed without the raft and the other settings the filament just folded around on the nozzle. I then returned to my old settings and it worked again. But then all of a sudden when I tried Simplify3d the first time (I only used Makerbot before that) i messed up the settings a bit because It did not work at the correct place on the board etc (it was lost).
Then when I returned to Makerbot once again i have had problems ever since. It started with filament not getting quite stuck to the plate (seemed like the PLA was not hot enough or something even though the temperature was set to 230) and the filament on the board was very messy then after that I did not get any filament at all. Nothing comes out of the nozzle. It does it’s normal movements but nothing comes out. So I decided to open it up and there was indeed some filament inside the right extruder tube so I pushed it out (managed to scratch it open a tiny bit, will this cause an issue?) but yeah nothing comes out when I put everything together afterwards.
I even tried the left extruder today (for the first time) and it cannot push out filament either.
I am extremely confused in what this issue is and how i can solve this and I appreciate any help!! 
I use PLA/ABS-filament for every print by the way that I got with the printer I bought.
This is the CTC printer and where I bought it: 2017 Upgraded Full Quality High Precision RepRap Prusa I3 DIY 3d Printer for sale online | eBay
(I have my window opened sometimes (not when I am printing) and it gets kinda breezy sometimes and my 3d printer and filament is there. Can the filament for example be affected if there is cold breezes?
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