gMax 1.5+ Marlin 1.1.9 BETA - Full Graphic Display Only 181018

License Type
GPL License
Compatible With
gMax 1.5+
Marlin 1.1.9 BETA Firmware


Used on the gMax 1.5+ 3d printer with a Full Graphic Display. This new version of Marlin includes several new features for your gMax printer and improvements to the existing firmware. Please read the "READ ME" pdf in the zip file before use.

Installation


The new firmware includes .hex files and you can simply upload using Cura slicing software. Refer to this tutorial for a simple walk through on installing firmware with Cura:

http://forum.gcreate.com/index.php?threads/installing-marlin-1-1-8-using-cura-slicer.1039/

Note you must remove any G29 commands and run "gMax Tools > Level Bed" for the new firmware to work. Also change any M106 S[0] commands to M107 to turn off the cooling fan.

If your printer gets stuck in a boot loop, format your SD card using "default allocation size" or try another SD card.



New Features:

gMax Tools > Calibrate Z Offset
Run the calibration wizard to help dial in your first layer height. As soon as the printer is heated up and starts printing, double click the knob to enter “Live Z Adjustment”. Turn the knob to raise or lower the extruder. Once the program is complete this new offset will be saved to memory.

Z Motors “Locked” on Printer Startup
By default, the z axis motors are enabled as soon as the printer is turned on. This helps reduce the chance the x-axis arm loses level between prints or when inserting filament.

Live Z Offset
“Babystep Z” has been renamed to “Live Z Adjust”.

Level Bed has Moved
The level bed command has been moved to the prepare menu.

New Filament Load/Unload Options
Found under Prepare > Change Filament

Improved LCD response
The LCD screen response time has been improved including the refresh rate.

Linear Advance For Increased Corner Quality
Linear advance has been integrated to cause a slight retraction around hard corners. This feature increases corner accuracy. Make sure to turn off coasting in your slicer profiles.

Additional features, fixes and changes:
  • Stepper driver enhancements for quieter operation and reduced vibration.
  • The filament sensor will now be disabled if a print is started without filament in the sensor. To re-enable it restart the printer and insert the filament.
  • Adaptive Step Smoothing has been introduced
  • Overall improved performance, stability, reliability, and error handling
  • When changing filament make sure to click a second time to initiate the filament change.
  • Astroprint Integration with new profiles for Astroprint. Tasks coming soon.
  • New “Clean Nozzle” gMax tool has been added. This will move the extruder to the front left of the printer and move it back and forth over a brass brush if one is installed. See attached image.

Thank You


The original Marlin github can be found here:
https://github.com/MarlinFirmware/Marlin
Marlin Github changelog:
https://github.com/MarlinFirmware/Marlin/releases/tag/1.1.9

Note
Do not use the configuration files for the gMax found on the github page. Always download the gMax firmware found on our forum to ensure it works on your printer.


A huge thank you to the entire Marlin Development team. We will be incorporating our changes to the Marlin github and as always our source code is available in the .zip file.
Author
gCreate
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