Thanks ddurant, I've updated this line on the git repo and I'll try it soon.
My only slightly modified start and end codes [edit] in brief I have increased the speed because it was painfully slow, removed retraction from start.gcode because it was unnecessary, and changed 5mm of extrusion to 10mm because it often takes more than 5mm to prime the nozzle
(start of start.txt)G21 (metric)G90 (absolute positioning)G28 (home all axes to min endstops)G92 X-105 Y-105 Z0.0 E0 (reset position to front/left/z=0)G1 Z10.0 F500 (move the platform down 10mm)G1 X0 Y0 F1600 (go to the middle of the build volume/platform)G92 E0 (zero the extruded length)G1 F600 E10 (extrude some filament)G92 E0 (zero the extruded length again)G1 Z0.0 F500 (back to Z=0)(end of start.txt)
(start of end.gcode!)M104 S0 (extruder heat off)M106 (fan on)G91 (relative positioning)G1 Z+10 E-2 F1600 (move Z up a bit and retract filament)G1 X-30 Y-30 F1500 (move X and Y over a bit)G90 (absolute positioning)M18 (steppers off)(end of end.gcode)
I am not using an M92 in the alteration files because it is in the firmware
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ddurant 0
Might want to change that to E865.888. The 926.5 is what I came up with experimenting with the old-style bolt. Joergan came up with 865.888 on the new-style bolt and I think it works pretty well..
Old bolt vs new bolt pix:
http://wiki.ultimaker.com/Sprinter#Spri ... _and_later
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