Introducció
The cudinham L12 Bluetooth Label Printer is a compact, thermal label maker designed for efficient organization in various settings, including home, office, and school. This device allows you to create custom labels quickly and easily using a dedicated mobile application, eliminating the need for ink or toner. This manual provides detailed instructions on how to set up, operate, and maintain your L12 label printer.
Contingut del paquet
Si us plau, verifiqueu que tots els elements que s'enumeren a continuació estiguin inclosos al vostre paquet:
- 1 x L12 Label Maker
- 1 x Roll of White Label Paper
- 1 x Type C Charging Cord
- 1 x Manual d'usuari

Figure 1: Contents included in the cudinham L12 label printer package.
Producte acabatview
The cudinham L12 is a mini thermal label printer featuring a lightweight and portable design. It utilizes BPA-free direct thermal technology, providing 203 DPI high-definition monochrome printing without the need for ink. The device connects wirelessly via Bluetooth to your smartphone or tablet, allowing for label design and printing through a dedicated application.

Figure 2: The cudinham L12 label printer's portable design and key features.

Figura 3: Intern view of the L12 printer highlighting its thermal printing technology and specifications.
Configuració
1. Càrrega del dispositiu
Before first use, ensure the label printer is fully charged. Connect the provided Type C charging cord to the printer's charging port and a suitable USB power adapter (not included). The indicator light will show charging status.
2. Descàrrega d'aplicacions i connexió Bluetooth
The cudinham L12 operates via the "SharpFox" mobile application. Follow these steps to connect your printer:
- Descarrega l'aplicació: Cerca "SharpFox" in your device's app store (iOS or Android) and install it.
- Encès: Press and hold the power button on the L12 printer to turn it on.
- Activa el Bluetooth: On your smartphone or tablet, go to your device's settings and ensure Bluetooth is enabled.
- Connecta't a l'aplicació: Open the "SharpFox" app. The app will guide you to select and connect to your L12 printer (e.g., "L12_D0B8_BLE").

Figure 4: Step-by-step guide for app download and printer connection.
Instruccions de funcionament
1. Càrrega de la cinta d'etiquetes
To load the label tape:
- Open the printer cover by sliding the release button.
- Insert the roll of label paper with the printing side facing up, ensuring it feeds smoothly into the printing mechanism.
- Tanqueu la coberta de la impressora de manera segura.
- Press the power button briefly to test the label paper feed and ensure it is correctly positioned.

Figure 5: Correct method for loading label tape into the printer.
2. Creació i impressió d'etiquetes
The "SharpFox" app offers a wide range of customization options:
- Selecciona el tipus de paper: In the app, choose the correct label size (e.g., 15x30mm, 15x40mm, 15x50mm, or continuous tape) to match the loaded paper.
- Dissenyeu la vostra etiqueta: Utilize the app's features to create your label. This includes:
- Text: Choose from over 80 fonts and 12 languages.
- Icons & Borders: Access a variety of icons and borders to enhance your labels.
- Plantilles: Use pre-designed templates for various purposes.
- Elements especials: Add QR codes, barcodes, dates, and other material information.
- Preview i Imprimeix: Review your label design in the app. Once satisfied, tap the "Print" button. The printer will automatically cut the label after printing.

Figure 6: The SharpFox app interface for designing custom labels.

Figura 7: Mésview of the SharpFox app's extensive customization options.
Manteniment
Proper care ensures the longevity and optimal performance of your cudinham L12 label printer:
- Neteja: Use a soft, dry cloth to clean the exterior of the printer. For the print head, gently wipe with an alcohol swab if print quality degrades. Ensure the printer is off before cleaning.
- Emmagatzematge: Guardeu la impressora en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- Cura de la bateria: To maintain battery health, avoid fully discharging the battery frequently. Charge the device regularly, even if not in constant use.
- Label Tape: Use only cudinham-compatible thermal label tapes to prevent damage to the print head and ensure optimal print quality.
Resolució de problemes comuns
If you encounter problems with your L12 label printer, refer to the following solutions:
- La impressora no es connecta per Bluetooth:
- Assegureu-vos que la impressora estigui engegada i completament carregada.
- Verifiqueu que el Bluetooth estigui habilitat al vostre dispositiu mòbil.
- Reinicieu tant la impressora com el dispositiu mòbil.
- Forget the device in your phone's Bluetooth settings and try reconnecting through the SharpFox app.
- Poor Print Quality (Faint or Missing Lines):
- Check if the label tape is loaded correctly with the printing side facing up.
- Ensure the label tape is cudinham-compatible and not expired or damaged.
- Clean the print head with an alcohol swab.
- Ensure the printer battery is sufficiently charged.
- Label Paper Not Feeding:
- Open the cover and re-seat the label roll, ensuring it's properly aligned.
- Check for any obstructions in the paper path.
- Assegureu-vos que el rotlle d'etiquetes no estigui buit.
- La impressora no respon:
- Premeu i manteniu premut el botó d'engegada durant 5-10 segons per forçar un reinici.
- Charge the printer for at least 30 minutes.
Especificacions
| Característica | Especificació |
|---|---|
| Model | L12 |
| Tecnologia d'impressió | Tèrmica |
| Resolució d'impressió | 203 DPI |
| Connectivitat | Bluetooth |
| Sortida de la impressora | Monocrom |
| Capacitat màxima del full d'entrada | 1 |
| Mides d'etiquetes compatibles | 15x30mm, 15x40mm, 15x50mm, Continuous Label Tapes |
| Bateria | 1 ió de liti (inclòs) |
| Interfície de càrrega | USB tipus C |
| Dimensions del producte | 3.3P x 6.9A x 8.9H centímetres |
| Pes de l'article | 209 g |
| Característiques especials | Clear Printing, Inkless, Portable, Rechargeable, Wireless |
Garantia i assistència al client
The cudinham L12 Bluetooth Label Printer comes with a standard manufacturer's warranty. For specific warranty details, please refer to the documentation included with your purchase or contact cudinham customer support. If you experience any issues not covered in this manual or require further assistance, please reach out to the retailer or manufacturer's support channels.





