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Folger 2020 Aluminum - x axis first move issues

Posted by foul_owl 
Folger 2020 Aluminum - x axis first move issues
April 23, 2016 06:58PM
Hi folks,

I just built my Folger 2020 Aluminum. This printer looks great!

I printed a test calibration cube and it came out looking really good, but with one strange issue: it starts printing at x=0. The extruder moves to y=100 without issue when starting the print, but it doesn't like to do that first x-axis move for whatever reason.

Here's the start of the gcode:
M107
M190 S100 ; set bed temperature
M104 S260 ; set temperature
G28;
G1 Z5;
M109 S260 ; wait for temperature to be reached
G21 ; set units to millimeters
G90 ; use absolute coordinates
M82 ; use absolute distances for extrusion
G92 E0
G1 Z0.200 F7800.000
G1 E-1.00000 F2400.00000
G92 E0
G1 X78.698 Y78.698 F7800.000
G1 E1.00000 F2400.00000
G1 X81.308 Y76.087 E1.04343 F1200.000
G1 X113.692 Y76.087 E1.42439
G1 X118.913 Y81.308 E1.51126
G1 X118.913 Y113.692 E1.89222 F1200.000
G1 X113.692 Y118.913 E1.97908
G1 X81.308 Y118.913 E2.36005
G1 X76.087 Y113.692 E2.44691
G1 X76.087 Y81.308 E2.82787
G1 X78.655 Y78.740 E2.87060
G1 X78.978 Y79.063 F7800.000
G1 X81.497 Y76.544 E2.91251 F1200.000
G1 X113.503 Y76.544 E3.28902
G1 X118.456 Y81.497 E3.37143 F1200.000
G1 X118.456 Y113.503 E3.74793
G1 X113.503 Y118.456 E3.83034
G1 X81.497 Y118.456 E4.20685
G1 X76.544 Y113.503 E4.28926
G1 X76.544 Y81.497 E4.66577
G1 X78.936 Y79.106 E4.70556
G1 X79.259 Y79.429 F7800.000
G1 X81.687 Y77.001 E4.74595 F1200.000

it all looks sane to me. and of course the x axis does move when printing the actual object!

I'm at a loss. Thanks!
Re: Folger 2020 Aluminum - x axis first move issues
April 24, 2016 09:40PM
I am not following you. I dont see an X 100 anywhere in that g code. You say that of "course the X axis does move when printing the actual object"... Well that looks like code that starts printing at x79.698 y79.698... So what exactly is it not doing?
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