View source for Marlin Settings for Geared Extruders

=Marlin is Acting Up=

This [https://e3d-online.dozuki.com/Guide/Titan+Aero+Marlin+Configuration/39] shows how to set up Marlin for a geared Titan Aero extruder. Setting the Axis steps was done - yet extrusion happens now at a very slow rate, almost invisible. Testing extrusion in Cura works as it should - only to fail upon running a print. What gives??

*Could config.ino be overriding steps per mm?
*Hint - do M92 E837 in the start gcode? Save with M500
*Note that currently EEPROM is on in Configuration.h
*Note that listing EEPROM settings with M501 -

> M501
< echo:Hardcoded Default Settings Loaded
< echo:Steps per unit:
< echo:  M92 X80.00 Y80.00 Z80.00 E837.00
< echo:Maximum feedrates (mm/s):
< echo:  M203 X300.00 Y300.00 Z10.00 E25.00
< echo:Maximum Acceleration (mm/s2):
< echo:  M201 X3000 Y3000 Z100 E10000

*Note that max feedrate on Z is problematic - E25.00. Set that to 200 :

M203 X300.00 Y300.00 Z10.00 E200.00

followed by M500 in command line of Cura (or in Marlin configuration.h upload)


*Found it - but blew an hour on this. Start gcode is doing M92 E100 in Cura- so changed it accordingly:
*'''Be careful that start and end gcodes are not overriding any important settings'''

M92 E837 
M140 S60
M203 Z10      ; override max Z feedrate from 5 to 10 mm/s
G28 X0 Y0 Z0  ; home
G29           ; autolevel
G90           ; set absolute coordinates

=Links=
*Extruder Settings instructions from E3D - [https://e3d-online.dozuki.com/Guide/Titan+Aero+Marlin+Configuration/39]