1. Introducció
This manual provides essential information for the safe and efficient operation of your GOOJPRT A4 Portable Thermal Printer. Please read it thoroughly before using the device to ensure proper setup, usage, and maintenance.
The GOOJPRT A4 Portable Thermal Printer is a compact, 300dpi resolution device designed for printing A4-sized documents without the need for ink cartridges. It supports a 210mm paper width and offers connectivity via Bluetooth and USB, making it compatible with Windows, Android, and iOS operating systems. Its built-in 2000mAh battery provides extended standby time, suitable for various printing needs on the go.

Figure 1.1: Key Features of the GOOJPRT A4 Portable Thermal Printer.
2. Contingut del paquet
Verifiqueu que tots els elements que s'enumeren a continuació s'inclouen al vostre paquet. Si falta algun element o hi ha algun malmès, poseu-vos en contacte amb l'atenció al client.
- 1 x GOOJPRT A4 Thermal Printer
- 1 x Rotlle de paper tèrmic
- 1 x cable d'alimentació
- 1 x cable USB
- 1 x Manual d'usuari (aquest document)
3. Producte acabatview
Familiarize yourself with the various parts of your printer to ensure correct operation.

Figure 3.1: GOOJPRT A4 Portable Thermal Printer Components.
- Port de càrrega: Connect the power cord here to charge the printer.
- Interfície USB: Connect the USB cable for wired connection to a computer.
- Botó d'encesa: Press and hold to turn the printer on or off.
- Botó Obrir: Press to open the paper compartment cover.
- Llum de potència: Indicates the printer's power status.
- Llum de càrrega: Indica l'estat de càrrega.
- Llum d'error: Illuminates to indicate a printer error.
- Botó d'alimentació: Premeu per alimentar paper manualment.
4. Introducció (Configuració)
4.1 Càrrega de la impressora
Before first use, fully charge the printer. Connect the provided power cord to the Charging Port on the printer and plug the adapter into a power outlet. The Charge Light will indicate the charging status. A full charge takes approximately 5 hours.
4.2 Càrrega de paper tèrmic
- Press the Open Button to release and lift the top cover of the printer.
- Insert a roll of 210mm thermal paper into the compartment, ensuring the printing side faces upwards.
- Estireu una petita quantitat de paper més enllà de la vora de tall.
- Tanqueu la coberta superior fermament fins que encaixi al seu lloc.
4.3 Instal·lació del programari
To print from your devices, you will need to install the appropriate software.
- For Mobile Devices (Android/iOS): Download the "Baypage" application from your device's respective app store.
- Per a PC (Windows): Connect the printer via USB. Drivers may install automatically. If not, refer to the manufacturer's weblloc per a la descàrrega de controladors.
5. Funcionament
5.1 Engegada/apagada
To turn on the printer, press and hold the Power Button until the Power Light illuminates. To turn off, press and hold the Power Button again until the Power Light turns off.
5.2 Connexió a dispositius
- Connexió Bluetooth: Ensure Bluetooth is enabled on your mobile device. Open the "Baypage" app, search for available devices, and select your printer (e.g., "GOOJPRT Printer"). Pair the devices.
- Connexió USB: Connect the printer to your computer using the provided USB cable. The printer will be recognized as a standard printing device.

Figure 5.1: Printer Connectivity Options.
5.3 Impressió de documents
Once connected, you can print various document types:
- Des de l'aplicació mòbil: Within the "Baypage" app, select the document (PDF, webpage, photo, etc.) you wish to print and follow the on-screen prompts.
- Des de l'ordinador: Use your computer's standard print function from any application. Select the GOOJPRT printer from the list of available printers.

Figure 5.2: Printer in operation, printing a document.
5.4 Using OCR Function
The "Baypage" app includes an Optical Character Recognition (OCR) function. This allows you to convert text from an image into editable text within the application, which can then be printed or saved.
6. Manteniment
6.1 Neteja de la impressora
Una neteja regular ajuda a mantenir la qualitat d'impressió i allarga la vida útil de la impressora.
- Turn off the printer and disconnect it from the power source before cleaning.
- Utilitzeu un drap suau i sense pelusa dampHumitejat amb alcohol isopropílic per netejar suaument el capçal d'impressió.
- Clean the exterior of the printer with a dry, soft cloth. Avoid using harsh chemicals or abrasive materials.
- Ensure the printer is completely dry before reconnecting power and operating.
6.2 Paper Handling Guidelines
- Use only high-quality thermal paper designed for thermal printers.
- Store thermal paper in a cool, dry place away from direct sunlight to prevent degradation.
- Do not use wrinkled or damaged paper, as this can cause paper jams or damage the print head.
- The maximum roll diameter supported is 30mm.
7. Solució De Problemes
If you encounter issues with your printer, refer to the following common problems and solutions.
| Problema | Causa possible | Solució |
|---|---|---|
| La impressora no s'encén | Bateria baixa o sense energia | Charge the printer using the provided power cord. Ensure the power adapter is connected to a working outlet. |
| Sense sortida d'impressió | No paper, incorrect paper loading, or connectivity issue | Check if thermal paper is loaded correctly. Verify Bluetooth or USB connection. Ensure the printer is powered on. |
| Poca qualitat d'impressió | Dirty print head or low-quality thermal paper | Clean the print head as described in Section 6.1. Use recommended thermal paper. |
| Error Light is on | Paper jam, cover open, or other internal error | Open the cover and check for paper jams. Ensure the cover is closed properly. Turn the printer off and on again. If the issue persists, contact support. |
| No es pot connectar mitjançant Bluetooth | Bluetooth not enabled, printer not discoverable, or app issue | Ensure Bluetooth is active on your device. Restart the printer and your device. Reinstall the "Baypage" app if necessary. |
8. Especificacions
Detailed technical specifications for the GOOJPRT A4 Portable Thermal Printer.
| Característica | Especificació |
|---|---|
| Número de model | YOAE-OS4002UK |
| Color | Blanc |
| Material | ABS |
| Tecnologia d'impressió | Impressió tèrmica |
| Amplada del paper | 210 mm |
| Velocitat d'impressió | 40 mm/s |
| Vida del capçal d’impressió | 50 km |
| Interfície | USB + BT 4.2 |
| Resolució | 300 ppp |
| Diàmetre del rotlle (màx.) | 30 mm |
| Ordre d'impressió | ESC/POS |
| Potència d'entrada | CA 100-240V, 50/60Hz |
| Potència de sortida | 15V DC, 1.0A |
| Bateria | Built-in 5V, 2000mAh Lithium Battery |
| Temps de càrrega | 5 hores |
| Temps d'espera | 168 hores |
| Suport del sistema operatiu | Android, iOS, PC (Windows) |
| Mida de l'article | 26.1 x 9.4 x 5 cm (10.3 x 3.7 x 2.0 polzades) |
| Pes de l'article | 850 g (30.0 oz) |

Figura 8.1: Dimensions de la impressora.
9. Informació de la garantia
This product is covered by a limited manufacturer's warranty. Please refer to the warranty card included in your package or contact your retailer for specific terms and conditions. The warranty typically covers defects in materials and workmanship under normal use.
10. Atenció al client
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact your point of purchase or visit the official GOOJPRT weblloc web per a recursos de suport i informació de contacte.





