Marlin: G1, M92, then G1 fails

Created on 4 Sep 2016  路  1Comment  路  Source: MarlinFirmware/Marlin

RCBugFix, Running commands via Cura to an Ultimaker.
Found a bug while calibrating the extruder steps.
These are the commands i issued, and the steps to reproduce the bug:

M302 S0  ; allow cold extrusion from startup
G1 E200  ; extrude 200mm
M92 E800 ; set extruder steps to arbritrary value (800, 780, 640 used).
G1 E200  ; THIS command fails does nothing, no extrusion, no errors.
Bug? Feature!
Source
picture CampbellFabrications

Most helpful comment

@SydneyMakers
You either need G1 E400 or relative mode (G91) to make it work.
A move from 200 to 200 is 0mm long.

picture Blue-Marlin on 4 Sep 2016
👍2

>All comments

@SydneyMakers
You either need G1 E400 or relative mode (G91) to make it work.
A move from 200 to 200 is 0mm long.

Blue-Marlin picture Blue-Marlin on 4 Sep 2016
👍2
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