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Thank you as well for that motor current setting, I would have hard time finding that one out.

Yeah I am using stock adapter and it works fine, distance is also 25mm which works nicely to 1000 steps in each direction. Also using HIPS for support as it was on sale at FILACO. Ran into some minor problems, slic3r for some reason always prints skirt using extruder1, which is kind of anoying if ...

Doing my first dual extruder print right now, but leveling seemed to be OK. I had to mount extruders from underneath (something like this: http://forum.seemecnc.com/viewtopic.php?f=54&t=1125) and it kind of fit nicely level wise. Still waiting for fans from E-Bay, I think I will have to use same ...

Got heat to work. Change #define EXT0_EXTRUDER_COOLER_PIN 7 to #define EXT0_EXTRUDER_COOLER_PIN 8 It wass done so you can control PEEK fan and object fan separately, but I need a second extruder more than that feature :D In recap: configuration.h changes #define MOTOR_CURRENT {195,195,195,195,195 ...

Ah, thank you so much, #define MOTOR_CURRENT {195,195,195,195,195} worked like a charm. Now only if I can solve heating...
I see that file pins.h has #define HEATER_1_PIN -1 //7 , which clearly won't work, but it doesn't work with 7 either. Still feel much better that at least it is extruding now...

I have the same problem. When I switch extruders in Repetier the new extruder gets into position, but commands to extrude/retract filament or to heat it are not working. LCD panel will register that I have requested the change in temperature but RAMBO will just not act upon it.