1. Introduction
This manual provides essential information for the safe operation, maintenance, and troubleshooting of your Greenworks 24V Cordless 3/8-inch Crown T50 Stapler. Please read this manual thoroughly before using the tool to ensure proper function and safety.

Image 1: Greenworks 24V Cordless 3/8-inch Crown T50 Stapler kit, including the stapler, 2Ah battery, 2A charger, and various staples.
2. Safety Information
Always follow basic safety precautions to reduce the risk of fire, electric shock, and personal injury when operating power tools.
- Eye Protection: Always wear safety glasses with side shields marked to comply with ANSI Z87.1.
- Hearing Protection: Wear hearing protection during extended use.
- Work Area: Keep your work area clean and well-lit. Cluttered or dark areas invite accidents.
- Tool Handling: Never point the stapler at yourself or others. Keep hands and body parts clear of the discharge area.
- Battery Safety: Use only Greenworks 24V batteries and chargers. Do not expose batteries to water or extreme temperatures.
- Unintended Firing Prevention: The stapler is designed with a safety lock mechanism that requires the micro switch to be pressed against the working surface before firing.
- Maintenance: Disconnect the battery before performing any adjustments, changing accessories, or storing the tool.
3. Package Contents
Ensure all items are present upon unpacking:
- Greenworks 24V Cordless 3/8-inch Crown T50 Stapler
- 2Ah Lithium-Ion Battery Pack
- 2A Battery Charger
- Assorted Staples (e.g., 1/4" - 9/16" T-50 compatible)
- Belt Clip
- Instruction Manual
4. Product Features
The Greenworks 24V Cordless Stapler is engineered for efficiency and ease of use:
- Visible Magazine Design: Allows for easy monitoring of staple levels, preventing dry firing.
- High Capacity: Holds up to 85 staples at one time.
- Quick-Release Mechanism: Facilitates smooth and rapid staple firing.
- Lightweight & Ergonomic: Weighs less than 3 lbs (1.4 kg) without the battery, featuring a comfortable rubber grip for reduced fatigue and improved maneuverability in tight spaces.
- Double Safety Design: Incorporates a safety lock mechanism and micro switch to prevent unintended firing. The stapler only fires when the micro switch is pressed against the working surface.
- Tool-Free Depth Adjustment: Easily adjust the staple driving depth for various materials and applications.
- Wide Compatibility: Drives 18 GA flat crown staples ranging from 14 mm to 15 mm in length and T-50 staples from 6 mm to 14 mm.

Image 2: Key features of the Greenworks 24V Crown Stapler, including its capacity, runtime, and ergonomic design.

Image 3: The stapler's compatibility with both 18GA and T-50 staple types, indicating supported lengths.
5. Specifications
| Feature | Detail |
|---|---|
| Brand | Greenworks |
| Model Number | 3401802-3P |
| Item Weight | 2.98 pounds (without battery) |
| Product Dimensions | 7.83 x 7.09 x 0.1 inches |
| Battery Voltage | 24V |
| Battery Type | Lithium Ion (2Ah included) |
| Staple Capacity | 85 staples |
| Compatible Staples | 18 GA flat crown staples (14-15mm), T-50 staples (6-14mm) |
| Material Type | Metal, Plastic, Rubber |
6. Setup
6.1 Battery Charging
The 2Ah Lithium-Ion battery pack requires charging before first use. Use only the supplied Greenworks 2A charger.
- Connect the charger to a standard power outlet.
- Slide the battery pack onto the charger until it clicks into place.
- Monitor the charger's indicator lights for charging status. A full charge is indicated when all lights are solid green.
- Once fully charged, remove the battery from the charger.

Image 4: The included 2.0 Ah battery and charger, ready for use.
6.2 Loading Staples
Ensure the battery is removed before loading staples.
- Locate the visible magazine at the front of the stapler.
- Press the magazine release button (if applicable) or pull the magazine open.
- Insert a strip of compatible staples (18 GA flat crown or T-50) into the magazine with the points facing down.
- Push the magazine closed until it locks securely.

Image 5: The visible magazine of the stapler, designed for easy staple level checks and holding up to 85 staples.
7. Operation
7.1 Inserting and Removing the Battery
- To Insert: Align the battery pack with the tool's battery port and slide it in until it clicks securely.
- To Remove: Press the battery release button and slide the battery pack out.
7.2 Adjusting Depth of Drive
The stapler features a tool-free depth adjustment knob to control how deep staples are driven into the material.
- Locate the depth adjustment knob, typically at the top or rear of the tool.
- Rotate the knob to increase or decrease the staple driving depth. Test on a scrap piece of material to achieve the desired depth.

Image 6: The tool-free depth adjustment feature, allowing precise control over staple penetration.
7.3 Firing Staples
The stapler is equipped with a double safety mechanism to prevent accidental firing.
- Ensure the battery is inserted and staples are loaded.
- Place the nose of the stapler firmly against the working surface, ensuring the micro switch is fully depressed.
- Squeeze the trigger to fire a staple.
- Release the trigger and lift the tool from the surface before moving to the next stapling point.

Image 7: Illustration of the double safety design, requiring both the micro switch and trigger to be engaged for firing.
7.4 Clearing Jams
In the event of a staple jam:
- Immediately remove the battery pack from the tool.
- Open the magazine and carefully remove any jammed staples or debris.
- Close the magazine securely and reinsert the battery.
- Test the stapler on a scrap piece of material.
8. Maintenance
Regular maintenance ensures optimal performance and extends the life of your tool.
- Cleaning: Keep the tool clean and free of dust and debris. Use a dry cloth to wipe down surfaces. Do not use solvents.
- Magazine: Periodically inspect the staple magazine for any build-up that might hinder staple feeding.
- Storage: Store the tool and battery in a cool, dry place, away from direct sunlight and out of reach of children. Remove the battery from the tool during storage.
9. Troubleshooting
Before contacting customer support, review the following common issues:
| Problem | Possible Cause | Solution |
|---|---|---|
| Stapler does not fire | Battery not inserted correctly or discharged; Safety switch not fully depressed; Magazine empty or jammed. | Ensure battery is fully charged and properly inserted. Press the tool firmly against the workpiece. Check and reload staples or clear any jams. |
| Staples not driven flush | Depth adjustment set too shallow; Incorrect staple length for material; Battery low. | Adjust the depth setting deeper. Use appropriate staple length. Recharge battery. |
| Staples jam frequently | Incorrect staple type/size; Damaged staples; Debris in magazine. | Use only recommended staples. Inspect staples for damage before loading. Clean the magazine. |
10. Official Product Video
Watch this video for a visual overview of the Greenworks 24V Crown Stapler's features and operation.
Video 1: Greenworks 24V Crown Stapler - A brief demonstration of the stapler's features and ease of use.
11. Warranty and Support
The Greenworks 24V Cordless 3/8-inch Crown T50 Stapler comes with a 3-year tool and battery warranty, protecting your investment against defects in materials and workmanship under normal use.
For warranty claims, technical assistance, or to purchase replacement parts, please contact Greenworks Customer Support. Refer to the contact information provided on the Greenworks official website or your purchase documentation.
You can also visit the official Greenworks store for more information and product registration: Greenworks Store





