1. Introducción
The Sihao A3-L805 is a versatile flatbed UV inkjet printer designed for high-quality printing on a wide range of materials. This manual provides essential information to help you set up, operate, and maintain your printer effectively, ensuring optimal performance and longevity.
Características principales:
- Supports A3 and A4 print formats.
- Utilizes UV ink for durable and vibrant prints.
- Capable of printing on cylindrical objects (2-11 cm diameter) with the included rotary attachment.
- Maximum print area of 32 x 50 cm with a maximum print height of 15 cm.
- High precision printing at 1440 x 1440 dpi.
- Equipped with a Continuous Ink Supply System (CISS) and automatic white ink mixing.
2. Información de seguridad
Lea y comprenda todas las instrucciones de seguridad antes de operar la impresora para evitar lesiones o daños al dispositivo.
- Conecte siempre la impresora a una toma de corriente con conexión a tierra.
- No exponga la impresora al agua ni a la humedad excesiva.
- Mantenga las manos y la ropa suelta alejadas de las piezas móviles durante el funcionamiento.
- UV light can be harmful to eyes and skin. Avoid direct exposure to the UV lamp. Use protective eyewear and gloves when handling UV ink.
- Ensure adequate ventilation in the work area when using UV inks.
- In case of emergency, press the red emergency stop button immediately.
- Only use genuine Sihao replacement parts and recommended UV inks.
3. Contenido del paquete
Verifique que todos los artículos estén presentes en el paquete:
- Sihao A3-L805 UV Printer
- Cable de alimentación
- Cable USB
- UV Ink Set (Cyan, Magenta, Yellow, Black, White, Varnish)
- Cylinder Rotary Attachment
- AcroRIP White ver9.0 Software (on USB drive or download link)
- Manual de usuario (este documento)
4. Producto terminadoview
Familiarize yourself with the main components and controls of your Sihao A3-L805 UV Printer.

Figura 4.1: Frente view of the Sihao A3-L805 UV Printer with labeled controls including the emergency stop switch, fan, function buttons, ink button, paper button, and printer tray.

Figura 4.2: Frontal view of the Sihao A3-L805 UV Printer, showcasing the flatbed and control panel.
5. Configuración
5.1 Desembalaje y colocación
- Retire con cuidado la impresora de su embalaje. Conserve todo el material de embalaje para su posterior transporte.
- Coloque la impresora sobre una superficie estable y nivelada en un área bien ventilada, lejos de la luz solar directa y de fuentes de calor.
- Ensure there is sufficient space around the printer for operation and maintenance.
5.2 Conexión de alimentación y USB
- Connect the power cable to the printer and then to a grounded 220V power outlet.
- Connect the USB cable from the printer to your PC.
5.3 Instalación del software
- Insert the provided USB drive or navigate to the specified download link for AcroRIP White ver9.0 software.
- Follow the on-screen instructions to install the software and printer drivers on your Windows 7-11 PC.
- Reinicie su computadora después de que se complete la instalación.
5.4 Ink Loading (CISS)
The printer uses a Continuous Ink Supply System (CISS). Refer to the specific instructions provided with your ink set for proper filling and priming of the ink tanks. Ensure each color (C, M, Y, K, W, V) is filled into its corresponding tank.
5.5 Calibración inicial
After ink loading, perform an initial print head cleaning and alignment through the AcroRIP software to ensure optimal print quality.
6. Instrucciones de funcionamiento
The Sihao A3-L805 supports multiple printing modes, including flatbed and 360-degree cylindrical printing.

Figure 6.1: Illustration of flat printing and 360-degree cylindrical printing capabilities.
6.1 Proceso general de impresión
- Prepare your print file in AcroRIP White ver9.0 software.
- Select the appropriate print settings, including resolution (1440x1440 dpi recommended for high quality), color mode, and material type.
- Place the object to be printed on the printer tray or rotary attachment.
- Adjust the print height to ensure proper clearance between the print head and the object (maximum 15 cm).
- Initiate the print job from the software. The printer will automatically apply UV ink and cure it instantly.
6.2 Flatbed Printing
For flat objects such as phone cases, panels, or tiles:
- Ensure the vacuum suction platform is active to secure the material.
- Place the flat object directly onto the printer tray within the 32 x 50 cm print area.
- Proceed with the general printing process.
6.3 Cylinder/Bottle Printing
For cylindrical objects like bottles or cups (2-11 cm diameter):

Figure 6.2: The Sihao A3-L805 UV Printer shown with the cylinder rotary attachment installed.

Figura 6.3: Un primer plano view of a bottle being printed using the rotary attachment, demonstrating the printer's capability for cylindrical objects.
- Install the cylinder rotary attachment onto the printer tray.
- Secure the cylindrical object onto the rotary attachment.
- Adjust the print height and software settings for cylindrical printing.
- Proceed with the general printing process.
6.4 Compatibilidad de materiales
The printer supports various materials:
- Impresión directa: ABS, PC, PET, PVC, PU, TPU, high-quality acrylic.
- Requires Pre-coating: Leather, metal, wood, glass, silicone.
- Not Printable: PP, PE.
7. Mantenimiento
Regular maintenance ensures consistent print quality and extends the life of your printer.
7.1 Mantenimiento diario
- Perform a print head cleaning cycle through the software before and after each printing session, especially if the printer has been idle.
- Wipe the printer tray and exterior surfaces with a soft, lint-free cloth.
7.2 Mantenimiento semanal
- Check ink levels and refill as necessary.
- Ensure the white ink mixing system is functioning correctly to prevent pigment settling. The printer features an intermittent white ink mixing system.
- Inspect the UV lamp for any debris and gently clean if needed (ensure printer is off and cooled).
7.3 Almacenamiento a largo plazo
If the printer will not be used for an extended period, perform a thorough cleaning cycle and follow the manufacturer's guidelines for print head protection and ink system preparation for storage.
8. Solución de problemas
Esta sección aborda problemas comunes que podrías encontrar.
| Problema | Posible causa | Solución |
|---|---|---|
| Mala calidad de impresión (rayas, colores faltantes) | Clogged print head, low ink levels, incorrect settings. | Perform print head cleaning cycles. Check ink levels and refill. Verify print settings in AcroRIP. |
| La PC no reconoce la impresora | Conexión USB suelta, problema con el controlador. | Asegúrese de que el cable USB esté bien conectado. Reinstale los controladores de la impresora. Pruebe con otro puerto USB. |
| White ink not printing correctly | White ink settling, clogged white ink channel. | Ensure the white ink mixing system is active. Perform multiple white ink cleaning cycles. |
| La impresora no se enciende | Cable de alimentación desconectado, problema con la toma de corriente. | Check power cable connection. Test power outlet with another device. |
9. Especificaciones

Figure 9.1: Diagram illustrating key dimensions and specifications of the Sihao A3-L805 UV Printer.
| Característica | Detalle |
|---|---|
| Marca | Sihao |
| Número de modelo | A3-L805 |
| Tecnología de impresión | Inkjet (UV) |
| Tecnología de conectividad | USB 2.0 |
| Puertos USB totales | 1 |
| Máxima resolución de impresión | 1440 x 1440 ppp |
| Tamaño máximo de medios | 330 mm x 500 mm (A3) |
| Altura máxima de impresión | 15 centímetros |
| Cylinder Printing Diameter | 2 cm a 11 cm |
| Consumo de energía | 250 vatios |
| Compatibilidad del sistema operativo | Ventanas 7-11 |
| Software incluido | AcroRIP White versión 9.0 |
| Printer Dimensions (Approx.) | 83.8 cm (largo) x 63 cm (ancho) x 51.8 cm (alto) |
| Peso de la impresora | 68 kilogramos |
10. Garantía y soporte
10.1 Garantía del producto
The Sihao A3-L805 UV Printer comes with a 1-year limited warranty, covering manufacturing defects. This warranty also applies to the availability of spare parts within the EU for 1 year.
10.2 Atención al cliente
For any questions, technical assistance, or warranty claims, please contact our professional customer service team. We provide 24/7 online support. You can reach us via Amazon messaging for prompt assistance.