ORTUR B08CBV9FQ2 Laser Master 2 Cutting Machine Instruction Manual
- June 6, 2024
- ORTUR
Table of Contents
B08CBV9FQ2 Laser Master 2 Cutting Machine
Dongguan Ortur Intelligent Technologies Co., Ltd.
https://ortur.tech/orturgrouding
ORTUR LASER MASTER 2
ORTUR Grounding Guide
ORTUR
10 February 2021
No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China
1
Dongguan Ortur Intelligent Technologies Co., Ltd. https://ortur.tech/orturgrounding
Ortur Laser Master 2 Grounding Advisory
Release Date: 10-02-2021
Ortur Action Advice: Recommended
Some users have been reporting and experiencing Static Electricity build up in
their machines while in use, especially on raster engraving operations.
This build up of Static Electricity can become severe to the point that its
discharge via the 12v rail – can cause the motherboard to reset. Therefore
causing interrupted engraving operations (Alarm 3/Connection Lost errors).
In extreme circumstances the static build up might lead to hardware damage.
Although the number of users affected by this situation is statistically low,
Ortur will implement mitigation changes in the hardware to address this issue.
The guide below explains how to implement similar mitigating actions on
machines that are already in users hands.
Detailed Information:
What causes the problem
The Ortur Laser Master 2 is built from mix materials; Aluminium rails, Plastic
Wheels and Rubber belts.
On peculiar environmental circumstances – mostly based on cold weather and dry
air – the motion of the machine itself while performing engraving operations
will cause static electricity to build up on the frame, by the interaction
between the plastic wheels and rubber belt on the aluminium frame.
This electrical static charge – which would under normal circumstances
dissipate to the surrounding air naturally, creates a feedback loop effect,
increasing the voltage differential in the frame to very high levels.
After reaching a certain threshold, the static charge will find the path of
least resistance to discharge, and in the case of the Ortur Laser Master 2,
this path is through the Motherboard and the 12v rail. Ultimately this surge
causes an EMI pulse that forces the motherboard to reset, leading to
connection losses and interruptions in the engraving operations.
In extreme rare conditions, the continuous and cyclical discharge can cause
hardware failures, specially in the Ortur Motherboard.
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Tools and supplies Requirements
All the required tools and supplies required to perform the grounding
operation are fairly inexpensive and should be readily available.
In this guide we will be providing Amazon searchable keywords for ease of use,
however most DIY brick and mortar stores should carry all required supplies
In terms of skill sets, it is a fairly straight forward operation and should
be easily performed by any user. This guide will cover 3 methods of grounding
the ORTUR LASER MASTER 2: Recommended, Simplified and Advanced method. All
three methods will achieve the same goals, although the skill and
supplies/tools required vary between them.
We created a complementary instructional video that should clarify any doubts.
YOUTUBE: https://www.youtube.com/watch?v=d-SOoGuqgjU
Supplies Requirements
Stranded Speaker Wire – REQUIRED Gauge: 0.5mm – 22AWG Length : 5 Meters – 15
Feet Search Terms: USA – speaker wire 22 gauge 15 feet EU/UK- speaker wire
0.5mm 5 meter
Cable Ties / Zip Ties- REQUIRED Width: 2mm Length : 150mm Search Terms:
USA/EU/UK- cable ties 2mm
Ring Terminals M5 – RECOMMENDED Ring: 5mm Quantity: 4 Needed, 10 recommended
Search Terms: USA/EU/UK- Ring terminal M5
ESD Ground Coupling Plug with POST- RECOMMENDED Region Specific, be certain to
obtain the one for your location Search Terms: USA – Universal Ground 3 Prong
Outlet Earth Connection EU/UK – ESD Earth Bonding Plug post
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Tool Requirements
Wire Cutters – REQUIRED
Search Terms: USA – Flush Wire cutters EU/UK- Flush Wire cutters Phillips
Screw Driver – REQUIRED
Search Terms: USA – Phillips Screw Driver EU/UK- Phillips Screw Driver
Wire Stripper Tool – RECOMMENDED
Search Terms: USA – Multi Size Wire Stranded Stripper Tool EU/UK- Wire
Stranded Stripper Tool Ortur Cable Tool – RECOMMENDED
Search Terms: USA/EU/UK- Tidy Wire Organizing Spiral Wrap Guide Tool
Digital Multimeter – RECOMMENDED
Search Terms: USA/EU/UK- Digital Multimeter Continuity Tester
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Wiring Harness Preparation
Prepare your work environment
Make sure your Ortur Laser Master 2 is disconnected from power and usb, and
set on a flat table that allows room to work freely.
In this step the Wire Cutters, Cable Stripper and the Speaker Wire will be
required to create the main wire harness
Cable Cutting
Step #1 Unroll Speaker Wire.
Use the front cover of your Ortur Laser Master 2 as a ruler.
Measure and cut 11cm / 4 Inches of Speaker Wire.
Step #2 Unroll more Speaker Wire.
Use the Diagonal length of your Ortur Laser Master 2 as a ruler. Measure and
cut 68cm / 27 Inches of Speaker Wire.
Step #3 Unroll more Speaker Wire.
This step varies based on the distance of your Ortur Laser Master 2 to the closest Earth/Grounding point. We recommend at least 2.5m / 100 Inches of Speaker Wire.
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Speaker Wire splitting
Step #1 Use the cut length 11cm / 4 Inches of Speaker Wire. Split the 2
strands from the Speaker Wire. Only one will be necessary. Discard remainder.
Step #2 Use the cut length 68cm / 11 Inches of Speaker Wire. Split the 2
strands from the Speaker Wire through the whole length.
Speaker Wire Insulation Stripping
Step #1 Use your Ortur Laser Master 2 aluminium extrusion as a ruler and
measure 2 cm / 0.6 Inches on the end of each cut and split Speaker Wire
strand.
This step must be repeated on all strands.
Step #2 Use your Wire Stripper Tool or the Wire Cutter to Remove 2 cm / 0.6
Inches of the wire insulation from the end of each cut and split Speaker Wire
strand.
This step must be repeated on all strands.
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Step #3 Twist tightly the exposed filaments of the stripped Speaker Wire
strands.
This step must be repeated on all strands.
Step #4 Once the above steps are finalized there should be:
1x Strand of 11cm / 4 Inches 2x Strands of 68cm / 11 inches 1x Strand of 2.5
Meters / 100 Inches
Speaker Wire Crimping / Joining
Step #1 Join and twist tightly the exposed filaments of the stripped Speaker
Wire in sequence to complete the wiring combination shown in the image.
In case of doubts on how to perform this step correctly, please refer to video
reference hyper-link on Page 3, from the 6 minute and 10 seconds mark.
Note: For the simplified methods of grounding, this is the final step on the wiring harness preparation.
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Step #2 Bend the exposed twisted filaments in half, forming a tight U shape.
This step should be performed on all exposed filament with the exception of
the short single 11cm / 4 Inches filament end. (Refer to step #5 image)
Step #3 Insert Ring Terminal over exposed filament.
This step should be performed on all exposed filaments with the exception of
the short single 11cm / 4 Inches filament end. (Refer to step #5 image)
Step #4 Use your Wire Stripper Tool to crimp firmly the Ring Terminal. This
step should be performed on all exposed filaments with the exception of the
short single 11cm / 4 Inches filament end. (Refer to step #5 image)
Step #5 Once all steps are completed the wire harness should look like the shown in the image.
Note: One additional Ring Terminal is required for the Earth Coupling Wire 2.5m / 100 Inches Wire.
In case of doubts on how to perform this step correctly, please refer to video reference on Page 3, from the 4 minute and 10 seconds mark.
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Cable Ties / Zip Ties Removal
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Step #1 Carefully use your Wire Cutters to cut and remove the cable ties
highlighted with the 4 boxes in the image.
Make sure this process is done carefully, in order to avoid damaging Ortur
Laser Master 2 main Harness.
Wiring the Grounding Harness to Laser Module
Step #1 Use Phillips Screw Driver to remove the top left screw from the Laser
Module.
Step #1 (Simplified Grounding Method) Loosen the top left screw without fully
removing it.
Step #2 Guide the screw through the single wire strand Ring Terminal and slide it back into the Laser Module. Use your Phillips Screw Driver to tight back the screw into the Laser Module. Warning: Do Not Over Tighten.
Step #2 (Simplified Grounding Method) Wrap tightly the single wire strand, in a clock wise direction around the top left screw of the Laser Module. Use your Phillips Screw Driver to tight back the screw into the Laser Module. Warning: Do Not Over Tighten.
Note: Guide ground wire towards the back of the Ortur Laser Master 2. Aim for the direction of the X Stepper Motor Connector
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Dongguan Ortur Intelligent Technologies Co., Ltd.
https://ortur.tech/orturgrounding
Wiring the Grounding Harness to Y Axis Carriage Assembly
Step #1 Use Phillips Screw Driver to remove the right most screw from the Y
Axis Acrylic Bracket.
Step #1 (Simplified Grounding Method) Loosen the right most screw without
fully removing it.
Step #2 Guide the screw through the dual wire strand Ring Terminal and slide
it back into the Y Axis Acrylic Bracket. Use your Phillips Screw Driver to
tight back the screw into the Y Axis Acrylic Bracket. Warning: Do Not Over
Tighten.
Step #2 (Simplified Grounding Method) Wrap tightly the dual wire strand, in a
clock wise direction around the right most screw of the Y Axis Acrylic
Bracket. Use your Phillips Screw Driver to tight back the screw into the Y
Axis Acrylic Bracket. Warning: Do Not Over Tighten.
Note: Guide ground wire towards the bottom of the Ortur Laser Master 2. Aim
for the direction of the Y Stepper Motor Connector
Wiring the Grounding Harness to Ortur Frame
Step #1 Use Phillips Screw Driver to remove the left side screw of the
Motherboard Mount.
Step #1 (Simplified Grounding Method) Loosen the left side screw of the
Motherboard Mount.
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Step #2 Guide the screw through the short wire strand Ring Terminal and slide
it back into the Motherboard Mount. Use your Phillips Screw Driver to tight
back the screw into the Motherboard Mount. Warning: Do Not Over Tighten.
Step #2 (Simplified Grounding Method) Bend the short wire strand in a wide U
shape. Loop the U shape around left side screw of the Motherboard Mount. Use
your Phillips Screw Driver to tight back the screw into the Motherboard Mount.
Warning: Do Not Over Tighten.
Note: Guide ground wire towards the left of the Ortur Laser Master 2. Aim for
the direction of the limit switch.
Wiring the Grounding Harness to Y Limit Switch
Step #1 Press down on the Y Limit Switch to hold it in place and pull the
Black Wire connector until it slides out. Note: Depending on your original
wiring, the position of the black wire might be different from shown in image.
Make sure however you remove Black wire connector.
Step #2 Hold the short grounding wire on the side of the Y Limit Switch connector.
Use the Y Limit Switch connector as a ruler to prepare to cut the Speaker Wire Filament to length.
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Step #3 Use your Wire Cutters to cut and Speaker Wire Filament to length the
same length of the Y Limit Switch connector.
This dimension is not critical but should be roughly 5mm or 0.2 inches.
Step #4 Guide Ground Wire under the remaining Y Limit Switch wire.
This will allow cable managing to be easier on the future steps and
facilitates Step #5 and Step #6
Step #5 Insert Ground Wire filament fully into the black Limit Switch
connector. Proceed by bending the Ground Wire on itself or 90º.
Step #6 Guide the Limit Switch connector back to its original position.
Press down on the Y Limit Switch to hold it in place and slide the Black Wire
connector until it is fully inserted.
Step #7 Although polarity on Y Limit Switch isn’t relevant for this application, in case of doubt ensure: Hinge terminal (marked 1) of Limit Switch = Red Wire Centre terminal (marked 3) of Limit switch = Black Wire Terminal (marked 2) of Limit switch = Unused
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No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China
Dongguan Ortur Intelligent Technologies Co., Ltd.
https://ortur.tech/orturgrouding
Wiring the Earth Wire to Ortur Chassis / Frame
Step #1 Use Phillips Screw Driver to remove the Left side screw from the Ortur
Laser Master 2 Frame.
Step #2 Guide the screw through the Earth Coupling Wire Ring Terminal and
slide it back into the Ortur Laser Master 2 Frame. Use your Phillips Screw
Driver to tight the screw firmly back into the Ortur Laser Master 2 Frame.
Cable Management – Harnesses Combining
Step #1 Hold Ortur Laser Master 2 Cable Harness firmly.
Pull back the Plastic Cables Protector whole holding the connectors near the
Laser Module until around 10cm or 4 inches of cables are exposed
Step #2 Open and clip your Ortur Cable Tool around the exposed wires. Make sure all wires are combined: -X Stepper Motor wire -Laser Module Wire -Ground Wire
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Step #3 Guide Plastic Cables Protector over the Ortur Cable Tool. Slide the
Ortur Cable Tool through the full length of the Plastic Cable Protector.
Note: Steps #1 to #3 should be repeated on the Ortur Laser Master 2 Cable
Harness that links the Y stepper Motor location and the Motherboard. In case
of doubts on how to perform these step, please refer to video reference hyper-
link on Page 3, from the 14 minute mark.
Cable Management – Cable Ties
Step #1 Slide an 2mm Zip Tie/ Cable Tie through the small hole in the acrylic plate and tie down the New combined Cable Harness firmly. Cut the excess Cable Tie with Wire Cutter. Once done, Check that Laser Module and Stepper Motor connectors are fully and firmly seated in.
Step #2 Slide the two 2mm Zip Tie/ Cable Tie through the small holes in the acrylic plate and tie down the New combined Cable Harness firmly. Cut the excess Cable Tie with Wire Cutter. Once done, Check that Pinboard and Stepper Motor connectors are fully and firmly seated in.
Step #3 Slide an 2mm Zip Tie/ Cable Tie through the small holes in the acrylic plate and tie down the New combined Cable Harness firmly. Cut the excess Cable Tie with Wire Cutter. Once done, Check that all connectors are fully and firmly seated into the Ortur Motherboard.
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No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China
Dongguan Ortur Intelligent Technologies Co., Ltd.
https://ortur.tech/orturgrouding
Multimeter Continuity Test – Optional Step
Step #1 Turn on your Multimeter and set it into Continuity mode. The setting to be used might differ from brand to brand but is usually indicated by the sign in the image on the Right
Step #2 Touch the Top Left screw on the Laser Module (5) with one of the Black Multimeter Probe. With the Red Probe Touch all the below identified points. Grounding Procedure will be confirmed successful if Multimeter Beeps on each probe test.
1 – Ortur Frame – Earth Ground Point 2 – Right most Y Axis Acrylic Bracket Screw
3 – Y Limit Switch – Black Wire 4 – Ortur Motherboard USB Shell 5 – Laser Module
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Coupling Ortur Laser Master 2 to Earth
With the Grounding procedure complete, and now that the whole components of
Ortur Laser Master 2 are connected and grounded, the last step is to ground
the whole machine to Electrical Ground/Earth.
There are multiple ways to achieve this goal. However, with user safety in
mind we recommend that a ESD Ground Coupling Plug be used. (Please refer to
the Supplies List for information. Ensure the ESD Ground Coupling Plug is the
Post variety)
These ESD Ground Coupling Plug allow connection to the Mains Electrical Grid
without any electrical hazard as the Live and Neutral connections are Plastic.
Only the connector to Ground/Earth is conductive metal.
Below a diagram of the Ground Coupling connection between Ortur Laser Master 2
and Several Regional ESD Ground Coupling Plug. Important to note, each world
Region; UK, US, EU has its own wall plug variant, therefore the right type of
ESD Ground Coupling Plug is required for your particular Region.
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No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China
Dongguan Ortur Intelligent Technologies Co., Ltd.
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Ortur Laser Master 2 Grounding Advisory
Advanced Grounding Method
Supplies Requirements
Stranded Speaker Wire – REQUIRED Gauge: 0.5mm – 22AWG Length : 5 Meters – 15
Feet Search Terms: USA – speaker wire 22 gauge 15 feet EU/UK- speaker wire
0.5mm 5 meter
Single Core Wire- REQUIRED Gauge: 0.25mm – 30AWG Length : 30 cm – 1 Feet
Search Terms: USA – single core wire 30awg EU/UK- single core wire 0.25mm
Tool Requirements
Wire Cutters – REQUIRED
Search Terms: USA – Flush Wire cutters EU/UK- Flush Wire cutters
Phillips Screw Driver – REQUIRED
Search Terms: USA – Phillips Screw Driver EU/UK- Phillips Screw Driver
Micro Screwdriver 1mm – REQUIRED
Search Terms:
USA – Micro Screwdriver 1mm EU/UK- Micro Screwdriver 1mm
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Single Core Wire Cutting
Step #1 Unroll Single Core Wire.
Use the front cover of your Ortur Laser Master 2 as a ruler. Measure and cut
Two strands of 11cm / 4 Inches of Single Core Wire.
Step #2 Unroll Single Core Wire.
Use the front cover of your Ortur Laser Master 2 as a ruler. Measure and cut a
strand Half the length. 5cm / 2 Inches of Single Core Wire.
Single Core Wire Insulation Stripping
Step #1 Use your Ortur Laser Master 2 aluminium extrusion as a ruler and
measure HALF its Thickness, or 1 cm / 0.3 Inches on the end of each side of
the strand of Single Core Wire.
This step must be repeated on all strands.
Step #2 Use your Wire Stripper Tool or the Wire Cutter to Remove 1cm / 0.3
Inches of the wire insulation from the end of each Single Core Wire strand.
This step must be repeated on all strands.
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Wiring the Grounding Harness to Laser Module
Step #1 Unplug Laser Cable from Laser Module.
Identify in the white connector the Ground Wire GRD – Black Wire
Step #2 Using the Micro Screwdriver, gently press the metal latch on the back
of the connector in order to release the metal pin.
Please note that this is a delicate operation and needs to be performed with
care, to avoid connector damage.
Step #3 Using the Micro Screwdriver, gently guide the pin back and remove it
from the plastic connector enclosure
Step #4 Wrap the stripped end of the 5cm/2 Inches Single Core Wire around the
Ground metal connector, making sure is firmly connected. Although outside the
scope of this guide, a small solder point on this connection of the wires
would be preferable.
Step #5 Gently slide back the metal pin into the plastic connector. With the help if the Micro Screwdriver confirm the metal latch identified on Step #2 is engaged. Confirm by gently pulling the metal pin is fully secure inside the connector and is at no risk of sliding out.
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Step #6 Connect Laser Cable back into Laser Module. Use the Phillips Screw
Driver to lightly unscrew one of the closest screws on the Laser Module
Acrylic plate. Loosen this crew enough to be able to slide Single Core Wire
underneath.
Step #7 Gently slide back the metal pin into the plastic connector. With the
help if the Micro Screwdriver confirm the metal latch identified on Step #2 is
engaged. Confirm by gently pulling the metal pin is fully secure inside the
connector and is at no risk of sliding out.
Step #8 Wrap tightly the Single Core Wire, in a clock wise direction around
the top left screw of the Laser Module. Use your Phillips Screw Driver to
tight back the screw into the Laser Module. Warning: Do Not Over Tighten.
Wiring the Grounding Harness to Pinboard V3
Step #1 Unplug Connector from Pinboard V3.
Step #2 Identify the Connector that represents the GRD wire
Do note: GRD wire is the second from left to right, when the Connector plastic latch is facing down. Imperative to identify the correct wire
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Step #3 Using the Micro Screwdriver, gently press the metal latch on the back
of the connector in order to release the metal pin.
Please note that this is a delicate operation and needs to be performed with
care, to avoid connector damage.
Step #4 Using the Micro Screwdriver, gently guide the pin back and remove it
from the plastic connector enclosure
Step #5 Wrap the stripped end of the 11cm / 4 Inches Single Core Wire around
the Ground metal connector, making sure is firmly connected. Although outside
the scope of this guide, a small solder point on this connection of the wires
would be preferable.
Step #6 Gently slide back the metal pin into the plastic connector. With the
help if the Micro Screwdriver confirm the metal latch identified on Step #3 is
engaged. Confirm by gently pulling the metal pin is fully secure inside the
connector and is at no risk of sliding out.
Step #7 Loosen the right most screw without fully removing it.
Step #8 Wrap tightly the Single Core Wire, in a clock wise direction around the right most screw of the Y Axis Acrylic Bracket. Use your Phillips Screw Driver to tight back the screw into the Y Axis Acrylic Bracket. Warning: Do Not Over Tighten.
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Wiring the Grounding Harness to Ortur Chassis / Frame
Step #1 Loosen the left side screw of the Motherboard Mount.
Step #2 Bend the Single Core Wire in a wide U shape.
Step #3 Loop the U shape around left side screw of the Motherboard Mount. Use
your Phillips Screw Driver to tight back the screw into the Motherboard Mount.
Warning: Do Not Over Tighten.
Wiring the Grounding Harness to Limit switch
Step #1 Guide the 11cm / 4 Inches Single Core Wire under the remaining Y Limit
Switch wire.
This will allow cable managing to be easier on the future steps and
facilitates Step #2 and Step #3
Step #2 Insert Single Core Wire fully into the black Limit Switch connector.
Proceed by bending the Single Core Wire on itself or 90º.
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Step #3 Guide the Limit Switch connector back to its original position.
Press down on the Y Limit Switch to hold it in place and slide the Black Wire
connector until it is fully inserted.
Step #4 Although polarity on Y Limit Switch isn’t relevant for this
application, in case of doubt ensure: Hinge terminal (marked 1) of Limit
Switch = Red Wire Centre terminal (marked 3) of Limit switch = Black Wire
Terminal (marked 2) of Limit switch = Unused
Advanced Grounding Multimeter Continuity Test – Optional
The steps required for full continuity test were already discussed on page 15
of this guide. Please refer to that page of the guide for further details.
Coupling Ortur Laser Master 2 to Earth
With the Grounding Advanced procedure complete, and now that the whole
components of Ortur Laser Master 2 are connected and grounded, the last step
is to ground the whole machine to Electrical Ground/Earth. These steps were
already discussed on page 16 of this guide. Please refer to that page of the
guide for further details.
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Contacts:
Dongguan Ortur Intelligent Technologies Co., Ltd. https://ortur.tech/orturgrounding
For any questons, queries or aditional information regarding this guide please
contact customers support:
Ticketing System: https:ortur.tech/support
Via Email: [email protected]
Facebook Official User Group: https://www.facebook.com/groups/orturusergroup
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