Engraving defects such as misalignment, distorted lines, and incomplete circles are common issues encountered during laser engraving. These problems are typically related to mechanical instability or improper motion control settings. This article outlines the root causes and provides practical solutions to restore engraving accuracy on Longer laser engravers.

1. Common Issues

Users may observe the following symptoms during operation:

• Engraved patterns appear offset or shifted
• Straight lines become wavy or uneven
• Circular shapes are not fully closed
• Repeated designs show inconsistent positioning

These issues indicate that the motion system is not operating with the required precision.

2. Mechanical Adjustment

2.1 Eccentric Nut Calibration

The eccentric nuts control the pressure between the rollers and the guide rails. Improper adjustment can lead to instability or excessive resistance.

If the nuts are too loose, the laser module may wobble during movement, causing misalignment. If they are too tight, movement becomes restricted and may introduce vibration.

Adjust the eccentric nuts so that the rollers maintain firm contact with the rails while still allowing smooth and consistent movement.

2.2 Timing Belt Tension

Timing belts play a critical role in motion accuracy. Insufficient tension can result in positioning errors and deformation of engraved shapes.

Check both X-axis and Y-axis belts and ensure they are properly tensioned. The belts should feel firm when pressed lightly, without noticeable slack. Avoid overtightening, as this may increase wear on motors and bearings.

2.3 Timing Pulley Alignment

Misaligned pulleys can cause the timing belt to rub against the pulley edges, leading to friction, noise, and unstable motion.

Ensure that the timing belts run parallel to the motion axis. Adjust the pulley position if necessary to eliminate lateral friction and ensure smooth transmission.

2.4 Fastener Inspection

Loose mechanical components are a major source of engraving inaccuracies.

Inspect and tighten all relevant screws and connections, including:

• X-axis timing pulley set screws
• Y-axis motor couplings
• Pulley mounting screws

All components should be securely fixed to prevent any movement during operation.

3. Software Optimization

Mechanical adjustments should be complemented by proper software configuration.

3.1 Overcut Setting in LightBurn

Incomplete circles or open paths are often caused by insufficient overlap between the start and end points of a path.

In LightBurn, the Overcut parameter can be used to extend the cutting path slightly beyond the endpoint.

Set the Overcut value to 0.3 mm in the Advanced settings. This ensures that closed shapes such as circles are fully completed without visible gaps.

4. Additional Recommendations

Regular maintenance is essential to maintain engraving accuracy over time.

• Keep guide rails clean and free of dust or debris
• Periodically check belt tension and component tightness
• Use appropriate speed and power settings for detailed work
• Perform routine calibration to ensure consistent performance

5. Conclusion

Engraving misalignment, warped lines, and incomplete circles are typically caused by mechanical looseness, improper belt tension, pulley misalignment, or incorrect software settings. By systematically inspecting and adjusting both hardware and software parameters, users can effectively eliminate these issues and achieve precise, high-quality engraving results with Longer laser engravers.

Experiencing a black or white screen on your touchscreen panel can be frustrating, but the good news is that most issues can be diagnosed—and often resolved—through a structured step-by-step approach.
This guide walks you through three stages of troubleshooting, from simple checks to deeper hardware diagnostics.

Stage 1: Quick and Basic Checks

1. Verify Power Supply

• Check the power adapter: Ensure the adapter’s indicator light is green.

• Confirm power switches: Make sure both the main power switch and the emergency stop switch are turned ON.

• Observe LEDs: Look at the controller box or mainboard to check if any status or power LEDs are illuminated.

  • If the adapter is green but the machine shows no lights at all, the problem may be in the controller box.

2. Perform a Full Restart

Completely shut down the machine, unplug the power cable, wait 1–2 minutes, then reconnect and restart.
This helps resolve temporary system freezes or UI boot issues.

3. Check Screen Brightness (for dark screens with backlight on)

Some touchscreens have independent brightness controls.
If the screen looks “black” but still emits backlight, try adjusting the brightness through the touchscreen’s internal settings.

4. Consider Auto Sleep Mode

Many touchscreens include auto-sleep/auto-dimming features.
If the screen is blank after idle time but the machine still works, tap the screen or restart to wake it.

5. Listen for Startup Sounds

Check whether the mainboard or controller emits any boot-up beeps or activity noises.

• If yes → The system may be functioning, but the screen or its connection may be faulty.

• If silent, the issue may lie in the mainboard or power distribution.

Stage 2: Internal Cable and Hardware Checks

⚠ Important: Before starting this stage, ensure the machine is fully powered off and the power cable is unplugged. Safety first!

1. Inspect the Touchscreen Cable

Most laser engravers use a ribbon cable or FPC cable.

Steps:

• Open the controller box or the touchscreen housing to locate the cable connecting the touchscreen to the mainboard.

• Reconnect both ends:

  • Gently disconnect the cable from both the screen and the mainboard.

  • Inspect for bent pins or loose connectors.

  • Clean the gold contacts with a rubber eraser or dry cloth.

  • Reinsert firmly and lock the latch.

2. Check for Cable Damage

Look for:

• Creases

• Crushed sections

• Burn marks

• Broken copper traces

Any visible damage means the cable should be replaced.

3. Test Using the Replacement Method (Most Effective)

• Option A: Swap in a known working touchscreen
  If the replacement works, then the original touchscreen is faulty.

• Option B: Connect the problematic touchscreen to a known working machine
  If the issue persists, the touchscreen is confirmed defective.

Stage 3: Identify Core Component Failures

If none of the previous steps resolve the issue, the problem is likely within the core modules.

1. Touchscreen Hardware Failure

A very common cause.

Symptoms:

• Screen permanently black or white

• No boot logo or flickering

• No response despite cable replacement

Causes may include aging, vibration, unstable voltage, or manufacturing defects.

Diagnosis:

• Confirmed via replacement test in Stage 2.

2. Mainboard/Control Board Failure

The display output circuit on the mainboard may be damaged.

How to judge:

• If the machine can still move axes, the laser fires, and the LEDs respond normally:
  → The mainboard is likely fine; the issue is with the touchscreen or cable.

• If the entire machine is unresponsive, with no lights or movement:
  → The mainboard or power distribution system may be faulty.

Final Notes

By following this structured approach—from basic checks to full hardware verification—you can quickly narrow down the root cause of touchscreen display issues. If you identify a defective screen, cable, or mainboard, contact customer support with your findings for a faster resolution.

During the use of the Ray5 series laser engraver, users may encounter software-related issues such as system bugs, unstable operation, or feature limitations. These issues can affect engraving performance and overall user experience.

To address these concerns and continuously improve device performance, the Ray5 firmware is regularly updated. Each new firmware version includes bug fixes, stability improvements, and additional features designed to enhance the functionality of the machine.

Cause and Solution

The issues experienced by users are often caused by outdated firmware that may contain unresolved bugs or lack compatibility with certain system optimizations. Updating the firmware ensures that the device operates with the latest improvements provided by the manufacturer.

The firmware of Ray5 is continuously updated to fix bugs and introduce new features. Firmware upgrade procedures may vary depending on the operating system and device configuration. Therefore, it is important to follow the correct upgrade method provided in the official firmware package.

To perform the upgrade, download the Ray5 firmware package from the LONGER official website. Inside the package, detailed instructions are provided to guide the entire process.

Install the MKSLaserTool-setup V1.1.2.exe file, then open the MKS ESP32 Download Tool. Select the correct communication port and choose the appropriate .bin firmware file. Click Start to begin the flashing process. Once the process is complete, the system will display a message indicating that the firmware has been successfully flashed.

After completing the firmware update, copy the dic-cfg.txt file from the configuration folder to the root directory of the SD card. Insert the SD card into the main control board of the engraver, then restart the machine. The system will automatically detect and update the configuration file.

Result

After successfully upgrading the firmware and updating the configuration file, the Ray5 engraver will operate with improved stability and optimized performance. The previously existing bug will no longer occur, and users can benefit from enhanced functionality and a smoother engraving experience.

Regular firmware updates are recommended to ensure that the device remains up to date with the latest improvements and continues to perform at its best.

Conclusion

Firmware plays a critical role in the performance and reliability of the Ray5 series laser engraver. Outdated firmware can lead to operational issues, while upgrading to the latest version resolves known bugs and enhances system capabilities.

By following the official upgrade procedure, users can ensure that their device remains stable, efficient, and fully optimized. It is recommended to periodically check for firmware updates and apply them as needed to maintain optimal performance.

If the cooling fan on your Ray5 laser module is damaged or not functioning properly, replacing it is a straightforward process. Follow the steps below to safely install a new fan and ensure proper cooling performance.

Step-by-Step Instructions

1. Remove the screws
Use a Phillips screwdriver to carefully unscrew and remove the screws securing the fan.

2. Disconnect the fan cable
Unplug the fan cable from the mainboard, then remove the old fan from the laser head.

3. Install the new fan
Connect the new fan cable to the mainboard. Install the fan into the laser head, ensuring the intake side faces up and the exhaust side faces down for proper airflow.

4. Secure the fan
Use a Phillips screwdriver to tighten the screws and firmly fix the fan in place.

Conclusion

Replacing the fan on your Ray5 10W or 5W laser module is an essential maintenance task to ensure proper cooling and stable performance. A correctly installed fan helps prevent overheating and extends the lifespan of your laser engraver.

By following the correct installation steps and ensuring the proper airflow direction, you can keep your machine running safely and efficiently. Always make sure the machine is powered off before performing any maintenance.

Cleaning the lens window and nozzle of a laser engraver is an essential and routine maintenance task.
A dirty lens window can severely reduce laser power, causing weak or uneven engraving/cutting.
A clogged nozzle can disrupt the flow of assist air, resulting in poor cutting quality and even potential damage to the laser head due to insufficient cooling.

Below is a detailed and safe cleaning guide.

Core Principles: Safety First!

Power Off and Cool Down:
Always turn off the laser engraver and unplug the power cord before cleaning.
Wait until the laser head is completely cool, especially after recent use when it may still be very hot.

Extreme Gentleness:
Both the lens window and nozzle are delicate and fragile (especially the coating on the lens surface).
Any scratch can cause permanent damage. Handle with care and apply very light pressure during cleaning.

Use Proper Tools:
Prepare professional cleaning tools.
Avoid using paper towels or clothing that can leave fibers or cause scratches.

Part 1: Cleaning the Laser Head Lens Window

The lens window protects the internal mirrors and lenses of the laser module, and it is the most likely component to accumulate smoke and dust.

Required Tools:

Anhydrous alcohol (≥99% purity): Evaporates quickly without leaving water stains.
Avoid medical alcohol, which contains water and other additives.

Lint-free cotton swabs/lens cleaning sticks: With wooden or plastic handles wrapped in microfiber.

Air blower/camera dust blower: For removing large dust particles.

Gloves (optional but recommended): Prevent fingerprints and oil stains.

Cleaning Steps:

1. Remove the Lens Window:

Gently unscrew the lens holder (usually counterclockwise).

Place the lens on a clean, soft surface such as lint-free paper or tissue.

2. Blow Off Dust:

Use the air blower to gently blow both sides of the lens to remove surface dust and particles.
This prevents scratches during wiping.

3. Alcohol Cleaning:

Take a new lint-free swab and apply 1–2 drops of anhydrous alcohol—it should be damp, not dripping.

Start from the center of the lens and gently wipe outward in a spiral motion.
Do not wipe back and forth.

Use a new swab, moistened again with alcohol, to repeat the spiral cleaning for a deeper cleanse.

4. Dry and Inspect:

Use a clean, dry, lint-free swab to absorb any residual alcohol, again moving from center outward.

Hold the lens toward a light source (e.g., phone flashlight) and inspect from multiple angles.
Ensure there are no fingerprints, watermarks, or dust.
If contamination remains, repeat the previous steps.

5. Reinstall the Lens:

Ensure the lens holder is clean (use the air blower if needed).

Carefully reinstall the lens in its original orientation (the coated side usually faces inward—if unsure, refer to its direction before removal).

Screw the retaining ring back securely but not too tightly to avoid cracking the lens.

Part 2: Cleaning the Nozzle

The nozzle directs assist air (or oxygen/nitrogen) to the cutting point, helping to remove molten material and provide cooling.
It often becomes clogged with smoke residue or melted debris.

Required Tools:

Same as those for lens cleaning: anhydrous alcohol and lint-free swabs.

Fine needle, nozzle cleaner, or toothpick (for unclogging small holes).

A small container (for soaking the nozzle).

Cleaning Steps:

1. Remove the Nozzle:

The nozzle is usually threaded under the laser head. Unscrew it counterclockwise.

Be aware that some accumulated dust may fall out.

2. Physical Unclogging:

If the nozzle outlet is blocked by molten debris, use a fine needle or nozzle cleaner to gently clear the hole.
Be very careful not to enlarge or scratch the inner surface—this could affect airflow precision.

For double-layer nozzles, check the gaps between layers for blockage.

3. Soaking and Brushing:

For stubborn oil or residue, soak the nozzle in anhydrous alcohol for 10–15 minutes.

After soaking, use a lint-free swab or a soft brush (like an old toothbrush) to gently clean the inside and outside of the nozzle, especially around the outlet.

4. Rinse and Dry:

Rinse the nozzle again with fresh anhydrous alcohol.

Use the air blower to completely dry both the inside and outside of the nozzle, ensuring no moisture remains.
This is critical, as moisture can affect cutting performance.

5. Reinstall the Nozzle:

Once fully dry, screw the nozzle back into place.
Tighten it securely, but avoid overtightening to prevent thread damage.

Recommended Cleaning Frequency

Daily / Before Each Use:
Use an air blower to remove surface dust from the lens window and nozzle.

Weekly or Every 40 Hours of Operation:
Perform a full visual inspection and clean thoroughly if any contamination is visible.

Clean Immediately If Any of the Following Occur:

Laser power output drops noticeably (cutting depth decreases at the same power).

Engraving/cutting lines become uneven or blurry.

Sparks are unusually large or have strange colors during cutting.

A garlic-like (ozone) smell appears—this may indicate lens contamination causing beam refraction.

If the window lens on your Ray5 laser module becomes dirty or damaged, replacing it can help maintain engraving quality and protect the internal optical components. This guide walks through the exact replacement process for Ray5 laser modules while providing beginner-friendly explanations, maintenance tips, and troubleshooting advice.

Table of Contents

1. What This Guide Covers
2. Quick Answer
3. Why This Process Matters
4. Before You Start
   • Requirements
   • Precautions
5. Step-by-Step Tutorial
6. Common Problems and Solutions
7. Tips for Better Results
8. Frequently Asked Questions
9. Final Thoughts

What This Guide Covers

This tutorial explains how to replace the window lens on a Ray5 laser module without changing the original procedure or sequence. It includes:

• Removing the laser protective cover
• Detaching the nozzle on 10W laser modules
• Removing the old window lens
• Installing the replacement lens
• Reassembling the laser module correctly

The guide is suitable for beginners and helps ensure safe maintenance and stable engraving performance.

Quick Answer

To perform a Ray5 laser window lens replacement:

1. Remove the laser protective cover.
2. For 10W modules, loosen the nozzle screws and remove the nozzle.
3. Unscrew the window lens counterclockwise.
4. Install the new lens.
5. Reattach the nozzle and pump connection port.

Always power off the machine before performing maintenance.

Why This Process Matters

The window lens is an important part of the Ray5 laser module. During engraving and cutting, smoke, dust, and debris can gradually accumulate on the lens surface. Over time, this contamination may reduce laser power efficiency and affect engraving precision.

A damaged or dirty lens can lead to:

• Reduced engraving quality
• Weak or inconsistent laser output
• Poor cutting performance
• Increased stress on internal optical components

Replacing the window lens helps maintain optimal engraving performance and protects the optical system from damage or debris.

Before You Start

Requirements

Before replacing the Ray5 laser window lens, prepare the following:

• Ray5 laser engraver
• Compatible replacement window lens
• M1.5 hex wrench
• Clean workspace
• Soft microfiber cloth

Follow official machine specifications or instructions.

Precautions

Before starting the replacement process, keep these safety guidelines in mind:

• Always power off the machine before maintenance.
• Disconnect the power supply before touching the laser module.
• Avoid touching the lens surface directly with your fingers.
• Work in a clean environment to prevent dust contamination.
• Handle the nozzle and lens carefully to avoid scratches or damage.

Proper handling helps maintain engraving quality and extends the life of the optical system.

Step-by-Step Tutorial

Step 1: Remove the Laser Protective Cover

Action

Rotate the pump connection port counterclockwise to detach it.

For 10W laser modules:

Use an M1.5 hex wrench to loosen the nozzle screws through the small hole under the dovetail slot, then carefully remove the nozzle.

Expected Result

• The laser protective cover is detached.
• On 10W modules, the nozzle is removed successfully.
• The window lens becomes accessible for replacement.

Important Notes

• Use the correct M1.5 hex wrench size to avoid damaging the screws.
• Loosen the screws gently and evenly.
• Keep small screws in a safe place during maintenance.

Removing the nozzle carefully helps prevent accidental damage to the laser module assembly.

10W

Step 2: Remove the Window Lens

Action

Unscrew the window lens by turning it counterclockwise.

Expected Result

The old window lens is removed from the laser module.

Important Notes

• Rotate the lens slowly to avoid cross-threading or slipping.
• Avoid applying excessive force.
• If the lens is dirty, handle it carefully to avoid spreading debris inside the module.

A damaged or contaminated lens may appear cloudy, scratched, or burned.

Step 3: Install the New Lens

Action

Place and secure the new window lens. Then reinstall the nozzle and reattach the pump connection port.

Expected Result

• The replacement lens is installed securely.
• The nozzle is properly reinstalled.
• The pump connection port is attached correctly.

Important Notes

• Ensure the new lens sits properly before tightening.
• Reinstall the nozzle carefully to maintain alignment.
• Follow official machine specifications or instructions.

Correct installation helps maintain stable laser output and consistent engraving quality.

Common Problems and Solutions

Tips for Better Results

• Clean the laser area regularly to reduce smoke buildup.
• Inspect the window lens periodically for scratches or residue.
• Avoid touching optical surfaces directly.
• Store replacement lenses in a dust-free container.
• Perform maintenance in a well-lit workspace for better visibility.
• Replace damaged lenses promptly to protect the optical system.

Regular laser module maintenance can improve engraving consistency and prolong machine lifespan.

Frequently Asked Questions

1. When should I replace the Ray5 window lens?

Replace the lens if it becomes dirty, scratched, cloudy, or damaged and starts affecting engraving quality.

2. Can a dirty lens reduce laser power?

Yes. Dust and residue on the lens can weaken laser output and reduce engraving precision.

3. What tool is needed for the 10W laser module?

An M1.5 hex wrench is required to loosen the nozzle screws.

4. Do I need to remove the nozzle on all Ray5 modules?

The nozzle removal step specifically applies to 10W laser modules.

5. What direction removes the window lens?

Unscrew the window lens by turning it counterclockwise.

6. Can I clean the lens instead of replacing it?

If the lens is only dirty, cleaning may help. If it is damaged or scratched, replacement is recommended.

7. Why is engraving quality still poor after replacement?

Check whether the lens is installed correctly and ensure the nozzle and pump connection port are properly reattached.

8. Is it necessary to power off the machine before maintenance?

Yes. Always power off the machine before performing any maintenance or replacement.

Final Thoughts

Replacing the window lens on your Ray5 laser module is an important maintenance task that helps maintain engraving quality and protect the internal optical system. By following the exact replacement procedure carefully, users can ensure stable laser output and consistent engraving performance.

Proper maintenance, careful handling, and regular inspections can help extend the life of your Ray5 laser module and improve long-term reliability.

Replacing the X-axis or Y-axis motor on your Ray5 laser engraver is a critical maintenance task that ensures smooth motion and precise engraving. This guide provides a detailed, beginner-friendly walkthrough using the Ray5 40W X-axis motor as an example while preserving the original procedures and sequence.

Table of Contents

• What This Guide Covers
• Quick Answer
• Why This Process Matters
• Before You Start
  • Requirements
  • Precautions
• Step-by-Step Tutorial
• Common Problems and Solutions
• Tips for Better Results
• Frequently Asked Questions
• Final Thoughts

What This Guide Covers

This tutorial covers the complete replacement process for the X-axis or Y-axis motor on Ray5 10W, 5W, and 40W laser engravers. Topics include:

• Disconnecting and removing the old motor
• Loosening timing belts
• Installing the new motor with proper orientation
• Ensuring correct belt tension
• Testing for smooth operation

Quick Answer

How to replace a Ray5 X/Y-axis motor:

1. Power off the machine and unplug the motor cable.
2. Loosen the X/Y-axis timing belt.
3. Remove the motor screws using a 2.5 mm hex wrench.
4. Install the new motor, ensure proper connector orientation, seat the timing belt, adjust tension, and reconnect the cable.

Why This Process Matters

The X-axis and Y-axis motors drive the precise movement of the laser head. If a motor fails or becomes misaligned, engraving accuracy is compromised, leading to uneven cuts or skipped steps. Replacing worn or damaged motors restores reliable motion and ensures professional-quality results.

Before You Start

Requirements

• Replacement motor compatible with your Ray5 model (10W, 5W, or 40W)
• 2.5 mm hex wrench
• Screwdriver set (optional for cable management)
• Clean, organized workspace
• Anti-static gloves (optional)

Precautions

• Always power off and unplug the machine before beginning.
• Handle connectors and wires carefully to avoid damage.
• Keep screws and small parts organized for easy reassembly.
• Follow official machine specifications or instructions for belt tension and motor placement.

Step-by-Step Tutorial

Note: The following steps use the Ray5 40W X-axis motor as an example. The procedure is identical for other motors and models.

Step 1: Unplug the X/Y-axis motor cable

• Action: Ensure the machine is powered off. Carefully unplug the motor cable to avoid damaging the connector or wiring.
• Expected Result: Motor is electrically disconnected and ready for removal.
• Notes: Pull from the connector, not the wires, to prevent damage.

Step 2: Loosen the X/Y-axis timing belt

• Action: Release the tension on the timing belt before removing the motor.
• Expected Result: Reduced resistance, making motor removal easier.
• Notes: This step prevents strain on the motor and mechanical components.

Step 3: Use a 2.5 mm hex wrench to loosen the four screws and remove the X/Y-axis motor

• Action: Unscrew all four mounting screws and gently detach the motor from the frame. Keep the screws in a safe place for reuse.
• Expected Result: Old motor is fully removed from the machine.
• Notes: Avoid dropping screws or misplacing them.

Step 4: Install the new motor

• Action: Place the new motor in the correct position. The X-axis motor connector should face left, and the Y-axis motor connector should face backward. Ensure the timing belt is properly seated on the coupling and adjusted to the correct tension. Reconnect the motor cable.
• Expected Result: Motor is securely installed, oriented correctly, and connected.
• Notes: Improper orientation or belt tension can cause skipping or inaccurate engraving.

Motor replacement is complete.

Common Problems and Solutions

Tips for Better Results

• Take photos of the motor area before disassembly to guide reassembly.
• Keep all screws and small parts in a labeled container.
• Test motor movement at low speed before performing a full engraving.
• Regularly clean the timing belt and coupling to maintain smooth motion.
• Always handle electrical connectors with care to prevent shorts or damage.

Frequently Asked Questions

1. Can I replace the motor on a 10W or 5W Ray5 using this tutorial?
Yes, the process is identical for X-axis or Y-axis motors across all Ray5 models.

2. How do I know if my motor needs replacement?
Symptoms include skipped steps, unusual noises, vibration, or inconsistent engraving.

3. What tools do I need for this replacement?
A 2.5 mm hex wrench is required. A screwdriver and anti-static gloves are optional.

4. Can I perform this replacement without experience?
Yes, following this step-by-step guide and safety precautions ensures a smooth replacement.

5. How should I adjust belt tension after installation?
Follow official machine specifications. The belt should be snug but not overly tight.

6. What if the motor connector is facing the wrong direction?
Reinstall the motor with the correct orientation: X-axis connector faces left, Y-axis connector faces backward.

7. How long does this replacement take?
For beginners, approximately 30–60 minutes, including disassembly, installation, and testing.

8. Can misaligned motors damage the machine?
Yes, improper alignment or tension can lead to uneven engraving and wear on components.

Final Thoughts

Replacing the X-axis or Y-axis motor on your Ray5 10W, 5W, or 40W laser engraver is a straightforward process when following proper procedures. Correct installation, orientation, and belt tension are critical for stable and precise operation. Always power off and unplug your machine before performing maintenance, and follow official specifications to ensure long-term reliability. With careful attention, motor replacement will restore smooth motion and professional-quality engraving results.

If your Ray5 display screen is damaged, unresponsive, or malfunctioning, replacing it can restore full control of the machine and ensure proper operation. Follow the steps below to safely remove the old display and install a new one.

Step-by-Step Instructions

1. Use an M5 hex wrench to loosen the screws securing the control box, then remove the control box.
Ensure the machine is powered off before starting. Carefully remove the control box to access internal components.

2. Use an M2 hex wrench to loosen the screws on the back panel of the control box and open the control box.
Remove the back panel screws and gently open the control box, keeping all screws in a safe place for reassembly.

3. Disconnect the cable from the display’s mainboard.
Carefully unplug the display cable from the mainboard. Avoid pulling on the wires directly to prevent damage.

4. Use an M2.5 hex wrench to loosen the screws on the mainboard and remove the old display screen. Install the new display screen, secure it with the original screws using the M2.5 hex wrench, and reconnect the cable.
Ensure the new screen is properly aligned before tightening. Reconnect the cable securely to ensure stable communication.

5. Close the control box, tighten the back panel screws with an M2 hex wrench, and reinstall the control box onto the machine.
Double-check that all screws are tightened and the control box is securely mounted.

6. Replacement complete.
Power on the machine and verify that the display is working correctly.

Conclusion

Replacing the display screen on your Ray5 10W or 5W helps maintain reliable machine control and a smooth user experience. Proper installation and careful handling of internal components are essential for stable operation.

If the mainboard of your Ray5 laser engraver is faulty or needs upgrading, replacing it can restore full machine functionality. The replacement method is similar for Ray5 20W and Ray5 40W models. This example uses the Ray5 40W.

Step-by-Step Instructions

1. Use an M5 hex wrench to loosen the screws securing the control box, then remove the control box.
Make sure the machine is powered off before starting. Carefully remove the control box to access the internal components.

2. Use an M2 hex wrench to loosen the screws on the back panel of the control box and open the control box.
Remove the screws and open the back panel, keeping all screws organized for reassembly.

3. Disconnect or unscrew all cables connected to the mainboard.
Carefully disconnect each cable or terminal from the mainboard. Take note of cable positions to ensure correct reconnection later.

4. Use an M2.5 hex wrench to loosen the screws securing the mainboard, remove the old mainboard, and install the new mainboard. Secure it with the original screws using the M2.5 hex wrench.
Ensure the new mainboard is properly aligned before tightening the screws to secure it in place.

5. Reconnect the original cables to their corresponding ports (tighten as needed). The bundled cables have labels for correct placement.
Refer to the cable labels and reconnect each cable to the correct port to ensure proper functionality.

6. Close the control box, tighten the back panel screws with an M2 hex wrench, and reinstall the control box onto the machine.
Make sure all components are securely fixed before closing the control box.

Conclusion

Replacing the mainboard on your Ray5 10W or 5W restores core machine control and ensures stable operation. Proper cable reconnection and secure installation are critical for correct functionality.