Nelko P21
Manual do usuario da etiquetadora Bluetooth Nelko P21
Modelo: P21
Marca: Nelko
Introdución
The Nelko P21 Bluetooth Label Maker is a compact, wireless, and inkless thermal printer designed for efficient labeling in various environments, including home, office, and school. Its portable design allows for convenient use anywhere, providing clear and high-definition labels without the need for ink or toner. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance of your device.
Características do produto
- Compacto e portátil: Half the weight and size of traditional label makers, designed for easy portability.
- Impresión térmica sen tinta: Utilizes BPA-Free Direct Thermal Technology, eliminating the need for ink or toner.
- Saída de alta calidade: Equipped with high-speed chips and 203 DPI resolution for clear, high-definition monochrome printouts.
- Conectividade sen fíos: Compatible with iOS and Android smartphones via Bluetooth connection through the dedicated "Nelko" APP.
- Batería recargable: Built-in durable rechargeable battery for long-lasting operation.
- Extensive Customization: The Nelko APP offers over 90 fonts, 10+ languages, and 450+ materials/templates for diverse label designs.
- Fixed Label Sizes: Supports fixed label lengths including 12x40mm, 14x40mm, 14x50mm, and 14x75mm. (Note: Continuous label tapes are not supported).
- Cortador incorporado: For easy and precise label cutting after printing.
O que hai na caixa
- 1 x NELKO P21 Label Maker
- 1 x Manual de usuario
- 1 x cable USB tipo C
- 1 x Roll label tape/15x40mm (pre-installed inside the label maker)
- 1 x Tarxeta guía
Guía de configuración
1. Cargando o dispositivo
Before first use, fully charge the Nelko P21 label maker using the provided USB Type-C cable. Connect the cable to the device and a standard USB power adapter (not included). The indicator light will flash green during charging and turn steady green when fully charged. Avoid using fast charging adapters.
2. Installing the Label Roll
The label maker comes with one roll of label tape pre-installed. To install or replace a label roll:
- Slide the cover button to the other side to open the cover of the label maker.
- Load the new paper roll into the paper bin, ensuring it is correctly oriented as indicated by the arrow on the roll.
- Unroll the paper enough so that approximately 2-3 cm of paper extends outside the printer.
- Close the cover securely. Double-click the power button to calibrate the paper, or press the power button once to print a test page.

3. Descarga de aplicacións e conexión Bluetooth
The Nelko P21 operates via a dedicated mobile application. Follow these steps to connect your device:
- Download the "Nelko" APP from Google Play Store (for Android) or Apple App Store (for iOS).
- Asegúrate de que o Bluetooth estea activado no teu smartphone.
- Open the "Nelko" APP. The app will automatically search for nearby devices. Click on the "Unconnected" status in the upper left corner to initiate the connection.
- Select "P21" from the list of available devices to connect. Once connected, the indicator light on the label maker will turn steady blue.

Watch this official tutorial video for a step-by-step guide on operating the Nelko P21 Label Maker, including app usage and printing.
Instrucións de funcionamento
1. Creating and Editing Labels
The Nelko APP provides a wide range of options for creating customized labels:
- Modelos: Choose from over 450 pre-designed templates for various purposes.
- Texto: Input custom text with over 90 font styles and adjustable sizes.
- Icons & Materials: Add icons, images, QR codes, barcodes, and decorative materials to your labels.
- Bordes e marcos: Select from various borders and frames to enhance your label design.
- Idiomas: Supports over 10 languages for text input.
To edit content, double-click on the desired area within the template. You can also tap the "+" icon to create a blank label and start from scratch.

2. Impresión de etiquetas
Once your label design is complete:
- Review your label design in the app's preview.
- Select the desired number of copies.
- Click the "Print" button in the app. The label maker will print your labels at a high speed of 30mm/s with 203 DPI clarity.
- Use the built-in cutter on the side of the device to cleanly separate the printed label from the roll.

3. Indicator Light Meanings
The LED indicator light on your Nelko P21 provides important status information:
| Estado da luz | Significado |
|---|---|
| Flash Verde | Cargando |
| Verde constante | Totalmente cargado |
| Vermello Flash | Print head overheat or low battery |
| Vermello constante | Cover is open or out of paper |
| Azul constante | Conectado correctamente a Bluetooth |

Mantemento e coidados
- Limpeza: Regularly wipe the exterior of the device with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Coidado do cabezal de impresión: Avoid touching the print head directly. If print quality degrades, gently clean the print head with an alcohol swab.
- Manexo de rolos de etiquetas: Do not tear or damage the green sticker on the back of the label strip, as this can affect printing performance.
- Almacenamento: Garde a etiquetadora nun lugar fresco e seco, lonxe da luz solar directa e de temperaturas extremas.
- Batería: To prolong battery life, avoid fully discharging the device frequently. Charge it when the low battery indicator (Flash Red) appears.
Resolución de problemas
If you encounter issues with your Nelko P21, refer to the table below for common problems and solutions:
| Problema | Causa posible | Solución |
|---|---|---|
| O dispositivo non se acende | Batería baixa | Cargue o dispositivo completamente. |
| Non se pode conectar a través de Bluetooth | Bluetooth off, app not updated, device not discoverable | Ensure Bluetooth is on. Update Nelko APP to the latest version (V3.1.0 for iOS users, iOS 13.0+ required). Restart device and app. Note: Not compatible with Google phones on Android 14. |
| Mala calidade de impresión (débil/borrosa) | Print head dirty, incorrect label type, low battery | Clean the print head. Ensure you are using Nelko thermal label paper. Charge the device. |
| No paper feeding/printing | Cover open, out of paper, paper jammed | Check if the cover is closed properly. Replace label roll. Clear any paper jams. |
| Labels are not fixed length | Attempting to use continuous label tapes | This label maker only supports fixed-length labels. Continuous label tapes are not supported. |
Especificacións do produto
| Especificación | Detalle |
|---|---|
| Nome do modelo | P21 |
| Marca | Nelko |
| Dimensións do produto | 16.9 x 4.8 x 11.4 cm (6.65 polgadas de profundidade x 1.9 polgadas de ancho x 4.5 polgadas de alto) |
| Peso do elemento | 10.8 onzas (306 gramos) |
| Tecnoloxía de impresión | Térmica |
| Resolución máxima de impresión | 203 DPI |
| Velocidade máxima de impresión (monocromo) | 30 mm/s |
| Tecnoloxía de conectividade | Bluetooth |
| Dispositivos compatibles | Teléfonos intelixentes (iOS e Android) |
| Método de control | Aplicación |
| Fonte de enerxía | Batería recargable (incluída unha batería de 1 A) |
| Tamaño máximo do soporte | 14 x 75 mm |
Garantía e Soporte
Nelko is committed to providing high-quality products and a positive user experience. For any questions, technical assistance, or support regarding your Nelko P21 Label Maker, please refer to the following resources:
- Manual do usuario (PDF): Un manual de usuario detallado en PDF está dispoñible para descargar en https://manuals.plus/m/1d5cce7120c461b270cbea9d7076d6592d7867250c5a010fc214cef14536c405.
- Guía do usuario (PDF): An additional user guide is available at https://manuals.plus/m/d682304aca80644399e29f77ad2617d4da3b89e6e9087f5f228053009336a584.
- Política de devolución: Este produto pode ser reembolsado ou substituído dentro dos 30 días posteriores á compra, segundo a política de devolucións de Amazon.
- Soporte do fabricante: For further assistance, please contact Nelko customer support through the contact information provided in your product packaging or on the official Nelko websitio.
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