gMax 1.5+ Marlin 1.1.1

gMax 1.5+ Marlin 1.1.1 v 17.09.25

License Type
GPL License
Compatible With
gMax 1.5+
Change log:
-Lowered Jerk settings to 8 to reduce chance of layer shifting
-Added dual E3D configuration file

9-14-17 Note: if you have a new drive gear (with teeth running the whole length of the gear) you must make sure to set your steps/mm for the extruder to 93.86 instead of the old number of 96. This is found in the configuration.h tab under:

#define DEFAULT_AXIS_STEPS_PER_UNIT { 80, 80, 400, 93.86 } //Standard gMax settings

8-28-17 Fixed dual extruder change filament not continuing on single extruder print.

Marlin 1.1.1 firmware for the gMax 1.5+ 3d printers marks a major change from the previous releases. For use with gMax printers with a bed level sensor installed and a full graphic display. This is a stable release however we can not be held responsible if you have modified you printer from the factory settings which may lead to problems. The firmware may slightly change as we receive feedback. Please refer to this forum for the latest updates and developments for the gMax specific configurations.

NOTE: You must select the configuration file to match your printer setup.

1. After unzipping the firmware, open the "example_configurations" folder.
2. Open the "gCreate gMax" folder.
3. Open the folder matching your configuration and copy the "configuration.h" file into the main folder.
4. You must copy this configuration file if you switch from a JHead to E3D hotend.

You must use Arduino 1.8.2 to install the new firmware and you must install the U8glib library or you will have compile errors. To install the U8glib library:

1. Go to "Sketch > Include Library > Manage Libraries"
2. Search for "U8glib"
3. Click "More info" and select the latest version then install.
4. Restart Arduino

To install firmware on your gMax printer:

1. Plug in your printer via USB.
2. Open Marlin.ino
3. Go to "Tools > Board" and select "Arduino/Genuino Mega or Mega 2560"
4. Go to "Tools > Port" and select the com port for your printer.
5. Go to "Sketch > Upload"
6. When finished your printer will have a new splash screen and the layout will look slightly different. Refer to the guide in the zip file for more information.

A huge thank you to the entire Marlin Development team. Make sure to download and test with the new firmware and contribute to the github page if possible. Also check out often for the latest Marlin information.

The Marlin firmware github page can be found here:
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