1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Bixolon SRP-330III thermal printer. This model features Serial, Ethernet, and USB connectivity, making it suitable for various point-of-sale and receipt printing applications.
1.1 Package Contents
Upon unpacking, please verify that all items are present:
- Bixolon SRP-330III Thermal Printer
- User Manual (this document)
- Power Cable
- Interface Cable (may vary based on specific model variant, e.g., USB, Serial, or Ethernet)
2. Safety Information
Please read the following safety precautions carefully before using the printer to ensure safe and optimal performance.
- Do not expose the printer to water or moisture.
- Use only the power adapter and cables supplied with the printer.
- Ensure the printer is placed on a stable, level surface.
- Avoid blocking ventilation openings.
- Do not attempt to disassemble or repair the printer yourself. Refer to qualified service personnel.
- Keep out of reach of children.
3. Setup
3.1 Unpacking and Placement
Carefully remove the printer from its packaging. Place the printer in a location with adequate ventilation and away from direct sunlight or heat sources.

Figure 1: Bixolon SRP-330III Thermal Printer. This image shows the black Bixolon SRP-330III thermal printer, viewed from the front-right angle. The printer features a sleek, compact design with a paper output slot at the front and control buttons on the right side of the top panel. The Bixolon logo is visible on the top cover, and an Energy Star label is on the lower left front.
3.2 Connecting Cables
Connect the necessary cables to the printer and your host system.
- Power Connection: Connect the power cable to the printer's power port and then to a grounded electrical outlet.
- Interface Connection:
- USB: Connect a USB cable from the printer's USB port to an available USB port on your computer.
- Ethernet: Connect an Ethernet cable from the printer's LAN port to your network router or switch.
- Serial: Connect a Serial cable from the printer's Serial port to the Serial port on your computer or POS system.
3.3 Loading Thermal Paper
The SRP-330III uses thermal paper rolls. Follow these steps to load a new roll:
- Open the printer cover by pushing the cover open lever (typically located on the top right side of the printer).
- Insert the new thermal paper roll into the paper compartment, ensuring the paper feeds from the bottom of the roll towards the front of the printer.
- Pull a small amount of paper out past the cutter.
- Close the printer cover firmly until it clicks into place.
4. Operating Instructions
4.1 Powering On/Off
To power on the printer, ensure the power cable is connected and press the power switch (usually located at the rear or side of the printer). To power off, press the power switch again.
4.2 Basic Printing
Once the printer is connected and drivers are installed on your host system, you can initiate print jobs from your application. The printer will automatically feed and cut the thermal paper.
4.3 Status Indicators
The printer features LED indicators on its control panel to display its current status:
- Power LED: Indicates the printer is powered on.
- Error LED: Illuminates or flashes to indicate an error condition (e.g., paper out, cover open, cutter error).
- Paper Out LED: Indicates that the printer is out of paper or the paper roll is low.
Refer to the troubleshooting section for resolving common error indications.
5. Maintenance
5.1 Cleaning the Printer
Regular cleaning helps maintain printer performance and extends its lifespan.
- Print Head: Gently wipe the thermal print head with a soft, lint-free cloth dampened with isopropyl alcohol. Ensure the printer is off and cooled down before cleaning.
- Platen Roller: Clean the platen roller with a soft cloth dampened with isopropyl alcohol.
- Exterior: Wipe the exterior casing with a soft, dry cloth. Do not use abrasive cleaners.
Perform cleaning periodically, especially if print quality degrades.
5.2 Paper Roll Replacement
When the paper out indicator illuminates or print quality diminishes due to the end of the roll, replace the paper roll as described in Section 3.3.
6. Troubleshooting
This section addresses common issues you might encounter with your Bixolon SRP-330III printer.
| Problem | Possible Cause | Solution |
|---|---|---|
| Printer does not power on. | Power cable not connected; power outlet faulty. | Check power cable connection; try a different outlet. |
| No printing occurs. | Paper out; printer cover open; interface cable loose; driver issue. | Load paper; close cover; check cable connections; reinstall printer drivers. |
| Paper jam. | Improper paper loading; foreign object. | Open cover, carefully remove jammed paper, reload correctly. |
| Poor print quality. | Dirty print head; low quality paper; incorrect settings. | Clean print head; use recommended thermal paper; check printer settings. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | SRP-330III |
| Printing Technology | Thermal Line Printing |
| Connectivity Technology | Ethernet, USB, Serial |
| Maximum Black and White Print Resolution | 203 dpi |
| Max Print Speed Monochrome | 30 ppm |
| Printer Output | Monochrome |
| Product Dimensions | 7.87"D x 9.84"W x 7.87"H (20 x 25 x 20 cm) |
| Item Weight | 5.46 pounds (2.48 kg) |
| Maximum Media Size | 8.5 x 14 inch (A4 Centimeters) |
| Max Input Sheet Capacity | 150 |
| Wattage | 50 watts |
| Special Feature | Network-Ready |
| Included Components | User manual, power cable, interface cable |
| Item Model Number | 8809794035135 |
8. Warranty Information
The Bixolon SRP-330III thermal printer comes with a two-year manufacturer's warranty against manufacturing defects. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims. For detailed warranty terms and conditions, please refer to the official Bixolon website or contact customer support.
9. Customer Support
If you encounter issues not covered in this manual or require further assistance, please contact Bixolon customer support. Visit the official Bixolon website for contact information, driver downloads, and additional resources.
Bixolon Official Website: www.bixolon.com





