1. Important Safety Information
Please read all instructions carefully before assembly and use. Retain this manual for future reference.
- Ensure all components are present and undamaged before assembly. Do not use if any parts are missing or damaged.
- Assembly requires two people for safety and ease.
- Keep children and pets away from the desk during operation to prevent injury from moving parts.
- Do not overload the desk. The maximum weight capacity is 220 pounds (100 kg).
- Ensure the power cord is properly connected and routed to avoid tripping hazards or damage.
- Do not place liquids directly on the desk surface without protective coasters.
- Disconnect power before cleaning or performing any maintenance.
- Avoid placing hands or objects near the lifting columns during height adjustment.
2. Package Contents
Verify that all items listed below are included in your package:
- L-Shaped Desktop Panels
- Lifting Columns (Legs)
- Foot Pads/Levelers
- Control Panel
- Power Adapter and Cable
- Built-in 4-in-1 Electrical Outlet (2 AC, 2 USB-A ports)
- Headphone Hook
- Cable Management Tray
- Assembly Hardware (screws, bolts, etc.)
- Instruction Manual

Image 2.1: Overview of the Marsail L-Shaped Standing Desk with various accessories and components.
3. Assembly Instructions (Setup)
Follow these steps carefully for proper assembly. Tools required (not included) may include a Phillips head screwdriver and an Allen wrench (if not provided with hardware).
- Unpack and Organize: Lay out all components on a clean, soft surface to prevent scratches. Identify each part using the package contents list.
- Assemble the Frame: Attach the lifting columns to the crossbars and side brackets. Ensure all screws are tightened securely.
- Attach Desktop Panels: Carefully place the desktop panels onto the assembled frame. Align the pre-drilled holes and secure the desktop to the frame using the provided screws.
- Install Control Panel and Electrical Outlet: Mount the control panel and the 4-in-1 electrical outlet to the underside of the desk in the designated locations.
- Connect Electronics: Connect the motor cables from the lifting columns to the control box. Connect the control panel cable to the control box. Plug the power adapter into the control box.
- Install Accessories: Attach the headphone hook and cable management tray as desired.
- Cable Management: Route all cables neatly using the cable management tray and ties to prevent tangles and ensure safe operation.
- Initial Power-Up: Plug the power cable into a wall outlet. The desk may perform an initial calibration cycle.

Image 3.1: Example of a cable management tray for organizing power cords and data cables.
4. Operating Instructions
4.1 Control Panel Functions
The control panel allows for easy adjustment of the desk height and saving preferred positions.
- Up/Down Buttons: Press and hold the up or down arrow buttons to raise or lower the desk to your desired height. Release the button to stop movement.
- Memory Presets (M1, M2, M3, M4): These buttons allow you to save and recall up to four different height settings.
4.2 Saving Memory Presets
- Adjust the desk to your desired height using the Up/Down buttons.
- Press the 'M' button (or 'SET' button if available) once. The display will show 'S-'.
- Within 3 seconds, press one of the memory preset buttons (1, 2, 3, or 4). The display will show 'S-1', 'S-2', etc., indicating the height has been saved to that position.
4.3 Recalling Memory Presets
Simply press the desired memory preset button (1, 2, 3, or 4). The desk will automatically move to the saved height.
4.4 Using the 4-in-1 Electrical Outlet
The desk features a built-in electrical outlet with 2 AC power outlets and 2 USB-A charging ports for convenient power access.
- Plug your devices directly into the AC outlets for power.
- Use the USB-A ports to charge compatible electronic devices.

Image 4.1: The integrated 4-in-1 electrical outlet provides convenient access to power and USB charging.

Image 4.2: The desk offers 3 custom height settings for personalized ergonomic positions.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Marsail standing desk.
- Cleaning: Wipe the desk surface and frame with a damp cloth. Avoid harsh chemicals or abrasive cleaners.
- Check Connections: Periodically inspect all electrical connections and cables to ensure they are secure and undamaged.
- Tighten Screws: Over time, screws may loosen. Periodically check and tighten all assembly screws to maintain stability.
- Lubrication: The lifting columns are designed for maintenance-free operation. Do not apply lubricants unless specifically instructed by customer support.
6. Troubleshooting
If you encounter issues with your desk, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Desk does not move | No power, loose cable, overload | Check power connection. Ensure all cables are securely plugged in. Reduce weight on the desk. |
| Desk moves unevenly | Uneven load, loose connections | Distribute weight evenly. Check and tighten all frame connections. |
| Error code on display | Sensor issue, motor fault | Refer to specific error code in a more detailed troubleshooting guide (if available) or contact customer support. Try a power cycle (unplug for 30 seconds, then replug). |
| Desk stops mid-movement | Overload protection, thermal protection | Reduce weight. Allow the motor to cool down for 20-30 minutes before attempting to operate again. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | TZESD3B-N1-US-2 |
| Product Dimensions (D x W x H) | 62.99" x 55.12" x 28.35" |
| Height Adjustment Range | 28.35" to 46.46" |
| Maximum Weight Capacity | 220 Pounds (100 kg) |
| Top Material | Wood (Laminated Finish) |
| Base Material | Alloy Steel, Carbon Steel |
| Electrical Outlet | 2 AC Outlets, 2 USB-A Ports |
| Motor Type | Electric (High-tech worm gear) |
| Certifications | FCC Authentication |
| Assembly Required | Yes (Recommended 2 people) |

Image 7.1: The spacious L-shaped workstation provides ample room for multiple monitors and accessories, with dimensions of 63" x 55" and a depth of 24".

Image 7.2: The desk features a sturdy frame and aerospace-grade lifting column connectors for ultimate stability, even at maximum height.
8. Warranty and Support
Marsail provides a comprehensive warranty and dedicated customer support for your product.
- Warranty: This electric standing desk is backed by a 5-year limited warranty. This warranty covers manufacturing defects and ensures the desk's durability for everyday use.
- Customer Support: For any questions, assembly assistance, troubleshooting, or warranty claims, please contact Marsail customer support. Refer to the product packaging or the official Marsail website for contact details.

