Jack Wong

How to Adjust Belt?

There are two types of belt problems, too loose or too tight Too tight Too loose How to judge my belt is too tight ? Disconnect the wires from the motor first (this is important) and try moving the axis back and forth by hand, it shouldn’t be a lot of effort, for the X …

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Why Image is Incomplete

Got 3 bad run. Expected effect: Why? 450nm laser is not suitable for engraving on light colored materials. 450nm laser is easier to reflect than 405nm laser. When most of the energy is reflected, it cannot be engraved. Why is the missing piece by piece? When a piece has been burned, it will be easy …

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How to Know My Control Board Version

Disassemble your control board from your device. The version mark usually marked on the front of the board. The following are examples of NEJE 2S and NEJE 2S Max. the version of NEJ 2S control board in the figure is v1.1, The version of NEJE 2S Max control board is v2.0

Troubleshooting of GRBL

This article is only applicable to neje 2 / 2S series device, rename tips. In order to eliminate the influence of grbl setting (what is grbl setting), please flash the grbl firmware once before troubleshooting(How to flash grbl firmware). Connect to device: Download and install LaserGRBL, then connect to device. How to ? Test your …

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How to Test Homing at GRBL

Before testing, you need to know abot GRBL homing Step 1: Connect device with LaserGRBL Setp 2: Press homing button to start homing. FAQ: Homing button is not showing For NEJE Master 1/2 series device, auto homing is not supported, please homing manually. Homing fail Make sure you have reset grbl setting by flash grbl …

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