[Metalab] Mendel90 3D-Printer Maintenance Successful

Dear Lab and friends, Peter Kuhm and I finished the maintenance and cleaning of our 3D-printer successfully. Thanks Peter for helping out and bringing some PTFE-tape. Info about the extruder head here: http://reprap.org/wiki/J_Head_Nozzle (we have a J-Head Mk V-B Some pictures of the progress here: http://reprap.soup.io/ My apologies that I couldn't do it earlier, I had some important stuff to attend to off-line. Best wishes for the holidays and best regards, MiKa