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Basic Operation 

Loading Filament 

Inserting Filament 

You can insert filament with the extruder hot or cols. 

1.

 

Cut the end of the filament at a 45 degree angle.  

2.

 

Pinch the swing arm on the extruder and insert the filament so 
it will be pinched between the drive gear and grooved 
bearing. 

3.

 

Continue to push the filament until it reaches all the way 
down to the heat block and nozzle. If the extruder is hot you 
should see filament push out the end. 

Changing Filament Manually 

If you wish to change filament during a print you can go to 

“More > (Un)

-

Load”

.

 

A notification will ask 

if you want to pause the print and if you click Ok it will initiate the pause allowing you to switch filament. 

Changing Filament Automatically 

To automatically initiate a filament change during a print, you can insert M600 in the gcode at the 
desired move or layer height. Using this method, you can force a filament change at a specific time or 
layer regardless of if you are present. See the gcode section for more information. 

Filament Runout 

The gMax printer comes equipped with a runout sensor that will pause the print if the sensor triggers. 
Dual extruder printers have two sensors in series so if either one triggers it will pause the print and 
remove the filament on the active extruder. 

You can turn the runout sensor on or off via the LCD screen by going to 

“More > Features > Runout 

sensor > Off”

.  

Bed Leveling 

The gMax 2 uses Marlin firmware with Bi-linear bed leveling. The BLTouch sensor will probe the entire 

bed to create a “mesh” of the bed as it travels around. You can 

see this by watching the z-axis couplers 

move as the extruder travels. 

G29 runs bed leveling but do not include it in your start gcode or it might not work correctly. 

 

 

Summary of Contents for gMax 2 PRO

Page 1: ...n infinite number of designs in all shapes sizes colors and functionalities The possibilities are truly endless We at gCreate hope you enjoy this machine as much as we have enjoyed making it For the b...

Page 2: ...wall and let sit for several minutes to avoid any possible electrical shock Use a ceramic screwdriver when adjusting electrical components As with any product utilizing high heat and electricity you...

Page 3: ...First Layer 7 gcode Methodology 7 gcode example 8 Common gcode commands 8 Updating Firmware 8 Description 8 Printer Firmware Marlin 2 x 9 LCD Screen firmware 9 Firmware Error Codes 10 3D Models 12 3D...

Page 4: ...Replace Hotend 16 Loose Hotend Parts 16 BLtouch Replace Pin 17 Replace Drive Gear 17 Tightening Bolts and Frame 17 Adjust Lead Screw 17 Lubricating the Lead Screws 18 Aligning the Lead Screws 18 Adjus...

Page 5: ...change during a print you can insert M600 in the gcode at the desired move or layer height Using this method you can force a filament change at a specific time or layer regardless of if you are presen...

Page 6: ...re s allow you to track progress send commands or control the printer If you have the gTouch controller you can connect this via USB and operate the printer from the secondary touch screen You will ha...

Page 7: ...Live Z adjust Bed Leveling with Heated Bed gcode Methodology gcode is what the 3d printer uses to move the extruder and issue commands gcode can be modified in a standard text editor such as Wordpad...

Page 8: ...965 move extruder and extrude filament G1 X201 273 Y181 349 E0 05195 M600 Initiate filament change Common gcode commands G28 Home all axis G29 Level bed Don t use in start gcode M420 V1 T1 Display bed...

Page 9: ...After the upload the file on the SD card will be named firmware CUR If it isn t then the firmware didn t upload Upload LCD Screen Firmware The LCD screen has its own firmware configuration file and gr...

Page 10: ...the hotend or bed registers a temperature far outside the target for a long period a thermal runaway will trigger to protect the printer and you Check to see if the thermistor is malfunctioning primar...

Page 11: ...o The black 5 pin cable going from the electronics to the LCD screen might be damaged or additional issues might exist Contact tech support Failed to enable bed leveling o When you install new firmwar...

Page 12: ...re free to download If you need something printed and you think someone else probably wanted it as well chances are you can find it or something similar on the internet Among the most popular 3D print...

Page 13: ...rows of recirculating ball bearings and it performs best when lubricaled and clear of debris The X and Z axis use Hiwin MGN15C rails and the Y axis uses EGH15C rails Warning Do not remove the linear b...

Page 14: ...motor back up to tension the belt and reinstall the bolts Y Axis Belt The y axis belt clamp is secured underneath the bed frame We must access the bottom of the printer to adjust the belt tension To...

Page 15: ...r We recommend using a ceramic screwdriver when adjusting the stepper drivers to avoid damage to the electronics The potentiometer will have a small flat spot on it which should be turned to about a 4...

Page 16: ...using the wrench Do not tighten without the wrench or you may loosen the heater block or break the throat 4 You might have to adjust the babystepping on the next print since the new nozzle may be a ne...

Page 17: ...imple 1 Loosen the set screw on the drive gear using a hex key 2 Pull it off the motor shaft 3 When installing the new one you will see a flat spot on the gear that will match a flat spot on the motor...

Page 18: ...rew to line up with one of the set screws 2 Loosen the two bolts holding the lead screw to the x axis carriage and POM nut and let it settle in the correct position Then re tighten 3 Loosen the top pi...

Page 19: ...w could lead to false triggers 10 recommended Driver Current mA The TMC2130 stepper drivers can have the current adjusted via the firmware If the drivers overheat the printer will dynamically lower th...

Page 20: ...y can be added by modifying the config ini file Note to add your own custom routines you must use n between gcode commands to add new lines Raise Z 100 Raise the z axis 100mm Useful for changing nozzl...

Page 21: ...Page 21 Other...

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