**Bachin D8-CNC2418 » Relevant information » User Guide**

**0.Overview**

Shipment of parts, need to assemble the machine by yourself. Please watch the [[assembly video]] and **instruction manual** before starting assembly.

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**1.Connected the cables:**

Connected all the cables as follow:

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**2.Install driver**

Find the driver from the USB flash driver,or download from here : http://www.bachinmaker.com/down/candle.zip 
Double click the CH340.EXE in the Driver folder.
If you are using an MAC computer, click the CH34x_Install_V1.4.pkg in Driver/MAC folder.

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Click INSTALL：

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Wait until success：

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**3. Software connected**

Candle is a portable software that does not need to be installed.
Double click the Candle.exe to start.
If you are using the MAC system, click Candle.dmg instead. Learn more about [[candle|Candle]]

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An Idle Status should be displayed on Candle interface：

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//If  not//, please:

1, Check if the USB wire is connected correctly.
2,Open DEVICE MANAGER ,check if a device named CH340 is connected under the Ports(Com & PLT).  See what state the device is.
State Normal like this:

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Driver no installed:

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In this case, please try install the driver again, otherwise, please contact us and attach a circuit board photo and device manager screenshot.

**4. Run the software -- Candle** Watch the video firstly: https://www.youtube.com/watch?v=IObj8f6JOCM

Zero the Work Coordinates.

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We usually Zero the Work Coordinates after Moving a Axis .

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**Homing**{{:p10.png?100|}}

Homing make machine go to the same start position for a Repeated Engraving. Only when a machine come with a XY limit switch, homing is available.
Click the homing button, the engraving machine will move XY axes until reach the limit switch.
After a homing, X&Y coordinates is set to (0,0).

{{:w.jpg?100|}}Warning: please stay away from the engraving machine when the machine is homing.

**5. Z Axis Probing**

We must adjust the Z Axis height value before engraving. The simple way is move z axis, let the engraving knife just above the engraving level, then Zero the Z Coordinate. The quick way is using a Probe tool.

Install Probe tool.
Refer to the board connection picture for more information.

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Click the Probe Button>>{{:p12.png?100|}}

The Z Axis will go down, reach the Probe Tool surface, stop, go up, stop finally. The Z axis height value will be adjust right when stop finally. Remove the Probe Tool.

**Tip:** Do not Zero Z Coordinate after finished a Probing operation.

**Unlock**>> {{:p13.png?100|}}

The machine will go into Alarm State if something wrong happened. For example, the machine reach the limit switch when working. 

Exclude errors, click Unlock button to continue.

**6. Start Engraving** 

Usually the engraving process is as bellow.

Make a G-Code file  >> Power the Machine >> Run Candle  >> Load the G-Code File>>Place the Engraving Object >> Move to start point and Zero X&Y Coordinates >> Probe >> Start Engraving.

We provide some examples to help you quickly familiarize yourself with the machine.
Click Open, select a G-Code file in the Example G-Code file folder.

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After G-Code is loaded.  According to the above description Place the engraving object,  move to start point and zero X&Y Coordinates,  probe , finally click Send button to start engraving.

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**Pause & Stop Control**

Click// Pause// to pause, Click Pause again to Continue. Click// Abort// to Stop.

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