1. Introducción
This manual provides essential instructions for the safe and efficient use of your Bixolon SRP-350IIICOSG Thermal Receipt Printer. Please read this manual thoroughly before operating the printer and retain it for future reference. This printer is designed for point-of-sale (POS) receipt printing applications.
2. Información de seguridad
- Fuente de alimentación: Use only the power supply provided with the printer. Using an incorrect power supply may damage the printer and void the warranty.
- Colocación: Place the printer on a stable, level surface. Avoid locations with excessive dust, humidity, or direct sunlight.
- Ventilación: Ensure adequate ventilation around the printer to prevent overheating. Do not block ventilation openings.
- Contacto líquido: Keep the printer away from liquids. In case of accidental liquid spillage, immediately disconnect the power and contact qualified service personnel.
- Partes móviles: Keep hands and foreign objects away from the paper cutter and other moving parts during operation.
3. Contenido del paquete
Verifique que todos los artículos estén presentes en el paquete:
- Bixolon SRP-350IIICOSG Thermal Receipt Printer
- Fuente de alimentación
- Cable de alimentación
- Rollo de papel de inicio
- Manual de usuario (este documento)
4. Configuración
4.1 Desembalaje y colocación
Carefully remove the printer from its packaging. Place the printer on a flat, stable surface near your computer or POS system.
4.2 Conexión de la fuente de alimentación
- Conecte el cable de alimentación a la fuente de alimentación.
- Plug the power supply connector into the power port on the back of the printer.
- Enchufe el cable de alimentación a una toma eléctrica con conexión a tierra.
4.3 Conexión de cables de datos
The SRP-350IIICOSG printer supports Serial and USB interfaces.

Figura 4.3.1: Posterior view of the Bixolon SRP-350IIICOSG printer, illustrating the various connection ports including power, USB, serial, and Ethernet.
- Conexión USB: Connect one end of a USB cable (Type B) to the USB port on the printer and the other end to an available USB port on your computer or POS system.
- Conexión en serie: Connect one end of a serial cable (DB9) to the serial port on the printer and the other end to an available serial port on your computer or POS system.
4.4 Carga del rollo de papel
- Open the printer cover by pushing the cover open lever.
- Insert the new paper roll into the paper compartment with the paper feeding from the bottom.
- Saque una pequeña cantidad de papel más allá del cortador.
- Cierre la cubierta de la impresora firmemente hasta que encaje en su lugar.

Figura 4.4.1: Lado frontal view of the Bixolon SRP-350IIICOSG printer, showing a paper roll correctly loaded and ready for printing.
4.5 Instalación del controlador
Before using the printer, you must install the appropriate drivers on your computer or POS system. Drivers are typically available on the Bixolon official website. Follow the instructions provided with the driver package for installation.
5. Funcionamiento de la impresora
5.1 Encendido / Apagado
To power on the printer, press the power switch located on the side or back of the printer to the 'ON' position. To power off, press the switch to the 'OFF' position.
5.2 Indicadores de estado
The printer features LED indicators to show its current status:
- LED de encendido: Se ilumina cuando la impresora está encendida.
- LED de error: Flashes or illuminates to indicate an error condition (e.g., paper out, cover open, cutter error). Refer to the troubleshooting section for details.
- Paper LED: Se ilumina cuando el rollo de papel está bajo o agotado.
5.3 Impresión de una página de prueba
To print a self-test page:
- Asegúrese de que la impresora esté apagada y que haya papel cargado.
- Mantenga presionado el botón FEED.
- While holding the FEED button, turn on the printer.
- Release the FEED button once the printer starts printing.
The printer will print a test page showing its current settings and status.
6. Mantenimiento
6.1 Limpieza del cabezal de impresión
Regular cleaning of the print head ensures optimal print quality and extends printer life. Clean the print head using an alcohol swab or a specialized print head cleaning pen.
- Apague la impresora y desconecte el cable de alimentación.
- Abra la cubierta de la impresora.
- Gently wipe the thermal elements of the print head with the cleaning tool.
- Deje que el cabezal de impresión se seque completamente antes de cerrar la cubierta y volver a conectar la energía.
6.2 Reemplazo del rollo de papel
When the paper roll is depleted, the paper out LED will illuminate. Follow the steps in Section 4.4 to replace the paper roll.
6.3 Limpieza del cortador automático
If the auto cutter experiences frequent jams or malfunctions, it may require cleaning. Use a soft brush or compressed air to remove paper dust and debris from the cutter mechanism.
7. Solución de problemas
Esta sección aborda problemas comunes que puede encontrar con su impresora.
| Problema | Posible causa | Solución |
|---|---|---|
| La impresora no se enciende | Power cord not connected; Power outlet faulty; Power supply failure | Check power cord connections; Try a different outlet; Contact support if power supply is suspected faulty. |
| Sin impresión | Paper out; Printer cover open; Data cable disconnected; Incorrect driver/settings | Load paper; Close cover; Check data cable connection; Verify driver installation and printer settings on your computer. |
| Mala calidad de impresión | Dirty print head; Low quality paper; Incorrect paper type | Clean the print head (Section 6.1); Use recommended thermal paper; Ensure paper is loaded correctly. |
| Atasco de papel | Improper paper loading; Paper debris in cutter; Foreign object | Open cover, remove jammed paper, reload correctly; Clean auto cutter (Section 6.3); Remove any foreign objects. |
| Error LED is on/flashing | General error condition | Refer to the specific error code (if displayed) or consult the detailed service manual. Perform a power cycle (turn off, wait 10 seconds, turn on). |
8. Especificaciones
Key technical specifications for the Bixolon SRP-350IIICOSG Thermal Receipt Printer:
| Característica | Especificación |
|---|---|
| Tecnología de impresión | Térmica directa |
| Velocidad de impresión (monocromo) | Up to 200 mm/sec (approx. 10 ppm) |
| Resolución de impresión | 203 ppp (203 x 203 ppp) |
| Interfaz | Serie, USB |
| Cortador automático | Yes (1.8M cuts) |
| Tamaño máximo de medios | Wide format roll |
| Dimensiones (An x Pr x Al) | 5.71 x 5.75 x 8.03 pulgadas |
| Peso del artículo | 3.41 libras |
| Fuente de alimentación | Fuente de alimentación externa (incluida) |
9. Garantía y soporte
For warranty information and technical support, please refer to the warranty card included with your product or visit the official Bixolon webSitio. Allí encontrará controladores, preguntas frecuentes e información de contacto para atención al cliente.
Bixolon Oficial Websitio: www.bixolon.com





