Slow speeds didn't helped

10. Ext. temp. 210 C, plate temp. 70 C, ext. speed 40mm/s
11. Ext. temp. 210 C, plate temp. 70 C, ext. speed 20mm/s

IMG_20150827_221152.jpg

So next step is to disassembley whole extruder and clear nozzle again...

Maybe one of you had same problem with c2c printer? I am wondering if it's not something related, and typical to this type of printer