1. Introduction
Thank you for choosing the Woosim Systems WSP-R240 Mobile Bluetooth Printer. This compact and lightweight thermal printer is designed for on-the-go printing needs, offering high-speed, near-silent operation and robust durability. This manual provides essential information for setting up, operating, and maintaining your printer to ensure optimal performance.
- Pocket-sized Design: Extremely portable for various applications.
- Lightweight: Weighing approximately 217g (7.65oz), it's easy to carry.
- Quiet Operation: Utilizes thermal printing technology for near-silent output.
- High-Speed Printing: Capable of printing at 80 mm/s.
- Durable Construction: Designed to withstand drops from up to 1.5 meters.
2. Product Overview
Familiarize yourself with the components of your WSP-R240 printer.

Image 1: Front, side, and back views of the Woosim Systems WSP-R240 Mobile Bluetooth Printer, including its accompanying holder. The front view shows the display, paper output slot, Bluetooth logo, and control buttons (Power, Feed, and indicator lights for Power, Error, and Bluetooth). The side view shows the compact profile of the printer within its holder. The back view shows the mounting points on the holder.
2.1 Key Components
- Power Button: Used to turn the printer on or off.
- Feed Button: Advances the paper.
- Power Indicator: Shows the power status (e.g., on, charging).
- Error Indicator: Lights up to indicate an error condition (e.g., out of paper, overheating).
- Bluetooth Indicator: Shows the Bluetooth connection status.
- Paper Compartment: Where the thermal paper roll is loaded.
- USB/Charging Port: For connecting the printer to a power source or computer.
3. Setup
3.1 Initial Charging
Before first use, fully charge the printer's battery. Connect the provided charging cable to the printer's charging port and plug the other end into a suitable power adapter. The Power indicator light will show the charging status.
3.2 Loading Paper
- Open the paper compartment cover by gently pushing the latch or button (location may vary slightly).
- Insert a new thermal paper roll into the compartment, ensuring the paper feeds from the bottom and the leading edge is straight.
- Pull a small amount of paper out past the cutting edge.
- Close the paper compartment cover firmly until it clicks into place.
3.3 Bluetooth Pairing
- Ensure the printer is powered on. The Bluetooth indicator light should be blinking, indicating it's in pairing mode.
- On your host device (smartphone, tablet, computer), navigate to the Bluetooth settings.
- Search for available devices. The printer should appear as "WSP-R240" or a similar name.
- Select the printer from the list to initiate pairing. If prompted for a PIN, enter "0000" or "1234" (common default PINs).
- Once paired, the Bluetooth indicator light on the printer will become solid, indicating a successful connection.
4. Operation
4.1 Powering On/Off
- To Power On: Press and hold the Power button for approximately 2-3 seconds until the Power indicator light illuminates.
- To Power Off: Press and hold the Power button again for approximately 2-3 seconds until the Power indicator light turns off.
4.2 Printing
Once the printer is paired with your device and has paper loaded, you can initiate printing from your application. Ensure your application is configured to send print jobs to the WSP-R240 via Bluetooth.
4.3 Feed Button
Press the Feed button briefly to advance the paper by a small amount. This is useful for checking paper alignment or advancing to a new line.
4.4 Indicator Lights
- Power Light: Solid green when on, blinking when charging, off when powered down.
- Error Light: Solid red indicates an error (e.g., out of paper, cover open, overheating). Refer to troubleshooting.
- Bluetooth Light: Blinking when discoverable/pairing mode, solid when connected to a device.
5. Maintenance
5.1 Cleaning the Print Head
To maintain print quality, clean the thermal print head regularly (e.g., after every 5-10 rolls of paper). Use a cotton swab lightly dampened with isopropyl alcohol. Gently wipe the print head surface. Allow it to dry completely before closing the cover and using the printer.
5.2 Battery Care
- Avoid fully discharging the battery frequently.
- If storing the printer for an extended period, charge the battery to about 50% and store in a cool, dry place.
- Use only the original or approved charging accessories.
5.3 Paper Replacement
When the paper roll is nearing its end, a red line may appear on the printout, indicating it's time to replace the roll. Follow the steps in Section 3.2 to load a new paper roll.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Printer does not turn on. | Low battery; Power button not pressed correctly. | Charge the battery; Press and hold the Power button for 2-3 seconds. |
| No print output. | Out of paper; Paper loaded incorrectly; Bluetooth not connected; Application error. | Load new paper; Re-load paper correctly; Re-pair Bluetooth; Check application settings. |
| Poor print quality. | Dirty print head; Low battery; Old paper. | Clean print head (Section 5.1); Charge battery; Use fresh thermal paper. |
| Bluetooth connection fails. | Printer not in pairing mode; Device too far; Interference. | Ensure printer is discoverable; Move device closer; Reduce interference. |
| Error light is on. | Paper out; Cover open; Overheating. | Check paper supply; Ensure cover is closed; Allow printer to cool down. |
7. Specifications
| Manufacturer | Woosim Systems |
| Model Number | WSP-R240 (510596) |
| Connectivity Technology | Wireless (Bluetooth) |
| Printing Technology | Thermal |
| Special Feature | Portable |
| Color | Black |
| Print Output | Monochrome |
| Product Dimensions | 10 x 8 x 10 cm |
| Item Weight | 300 g (217g for printer only) |
| Drop Resistance | 1.5 meters |
| Print Speed | 80 mm/s |
8. Warranty and Support
Woosim Systems products are manufactured to high quality standards. For information regarding warranty coverage, technical support, or service, please refer to the documentation provided with your purchase or visit the official Woosim Systems website. Please retain your proof of purchase for warranty claims.
For further assistance, please contact your local distributor or reseller.





