1. Uvod
This manual provides detailed instructions for the operation and maintenance of your symcode MJ-Q50 Handheld POS Terminal. This device integrates a 5.5-inch touch screen, 58mm thermal receipt printer, 1D/2D barcode scanner, and supports Android 8.1, 4G, Wi-Fi, Bluetooth, and NFC communication. Please read this manual thoroughly before using the device to ensure proper functionality and safety.
2. Sigurnosne informacije
- Ne izlažite uređaj ekstremnim temperaturama, direktnoj sunčevoj svjetlosti ili visokoj vlažnosti.
- Izbjegavajte ispuštanje ili izlaganje uređaja jakim udarima.
- Use only the provided charger and battery. Unauthorized accessories may damage the device and void the warranty.
- Ne pokušavajte sami rastavljati ili popravljati uređaj. Za pomoć se obratite kvalifikovanom servisnom osoblju.
- Držite uređaj dalje od vode i drugih tečnosti.
3. Sadržaj paketa
Provjerite da li su sve stavke prisutne u paketu:
- symcode MJ-Q50 Handheld POS Terminal
- Rola termo papira
- USB punjač
- USB kabel

Slika 3.1: symcode MJ-Q50 Handheld POS Terminal and accessories.
This image displays the symcode MJ-Q50 device, a USB charging cable, a wall adapter, and a roll of thermal paper, representing the standard package contents.
4. Device Overview
Familiarize yourself with the physical components of the symcode MJ-Q50.

Slika 4.1: symcode MJ-Q50 Component Identification and Dimensions.
This image provides multiple views of the device. The front view highlights the 5.5-inch display, menu, home, and return buttons, and the integrated cutter for the printer. The top section shows the symcode logo and the NFC symbol. The back view indicates the infrared scan head, volume port, and battery location. A side view illustrates the Type-C port, reset button, one-click scan button, volume buttons, and power button, along with the device's thickness of 0.7 inches.
- Prikaz: 5.5-inch touch screen for user interaction.
- rezač: Integrated mechanism for cleanly tearing printed receipts.
- Infrared Scan Head: Located on the rear for 1D/2D barcode scanning.
- Volume Port: Za audio izlaz.
- Battery Location: Removable battery compartment on the rear.
- Port tipa C: For charging and data transfer (USB OTG supported).
- Dugme za resetiranje: Za resetovanje uređaja.
- One-Click Scan Button: Dedicated button for initiating barcode scans.
- Dugmad za jačinu zvuka: Podesite nivoe zvuka.
- Dugme za napajanje: Turns the device on/off and controls screen sleep/wake.
- NFC čitač: Integrated for contactless card recognition.
5. Podešavanje
5.1 Instalacija baterije
The device comes with a large removable 3200mAh 7.6V Lithium Polymer battery.
- Pronađite odjeljak za bateriju na stražnjoj strani uređaja (pogledajte sliku 4.1).
- Carefully open the battery cover. Note: The cover may require firm but gentle pressure to open.
- Umetnite bateriju, pazeći da su kontakti pravilno poravnati.
- Čvrsto zatvorite poklopac baterije.

Slika 5.1: Battery Installation and Capacity.
This image illustrates the large removable battery, highlighting its 3200mAh capacity and 30-hour estimated usage time. It shows the battery being inserted into the device's rear compartment.
5.2 Thermal Paper Roll Installation
The device supports 58mm wide thermal paper rolls with a 40mm diameter capacity.
- Gently open the printer cover located at the top of the device.
- Insert the thermal paper roll into the compartment, ensuring the paper feeds out from the bottom and the leading edge is straight.
- Izvucite malu količinu papira pored rezača.
- Čvrsto zatvorite poklopac štampača dok ne klikne na svoje mjesto.

Slika 5.2: Thermal Paper Roll Installation.
This image demonstrates the process of installing a thermal paper roll into the device's printer compartment. It highlights the 80mm/s printing speed and 58mm paper width compatibility, along with the "Double Expansion Of Large Paper Warehouse" feature.
5.3 Instalacija SIM i TF kartice
The device supports Nano SIM and TF (MicroSD) cards for expanded storage and network connectivity.
- Locate the SIM/TF card slot, typically near the battery compartment.
- Umetnite Nano SIM karticu u predviđeni utor sa zlatnim kontaktima okrenutim prema dolje.
- If using, insert the TF card into its slot.
- Ensure both cards are seated correctly.
5.4 Početno uključivanje i mrežno povezivanje
- Press and hold the Power Button (refer to Figure 4.1) until the screen illuminates.
- Slijedite upute na ekranu da biste dovršili početno podešavanje Androida.
- To connect to Wi-Fi: Go to Postavke > Mreža i Internet > Wi-Fi, odaberite svoju mrežu i unesite lozinku.
- For 4G connectivity: Ensure a valid SIM card is installed and mobile data is enabled in Postavke > Mreža i Internet > Mobilna mreža.
6. Uputstvo za upotrebu
6.1 Osnovna navigacija (Android 8.1)
The device runs on Android 8.1, providing a familiar smartphone-like interface.
- Ekran na dodir: Navigate by tapping, swiping, and pinching.
- Dugme za početnu stranicu: Vraća se na početni ekran.
- Dugme menija: Accesses recent applications or context menus.
- Dugme za povratak: Vraća se na prethodni ekran.

Slika 6.1: Android 8.1 Interface and System Overview.
This image displays the device's 5.5-inch touch screen running Android 8.0 (note: product description states 8.1, this image shows 8.0, assume 8.1 is correct). It highlights 4G connectivity, 3GB RAM, and 16GB ROM. Various app icons like Google, Play Store, Loyverse, and e-Boleta are visible.
6.2 Printing Receipts and Labels
The integrated 58mm thermal printer supports both receipt and label printing.
- Ensure a thermal paper roll is correctly installed (refer to Section 5.2).
- Open your POS application (e.g., Loyverse, Kyte) and process a transaction or select an item for printing.
- Initiate the print command within the application. The device will automatically print the receipt or label.

Slika 6.2: Receipt and Label Printing Capabilities.
This image demonstrates the device's ability to print both standard receipts and labels, showcasing examples of each type of printout.
6.3 Barcode Scanning (1D/2D)
The device features a 5MP autofocus camera for scanning 1D and 2D barcodes.
- Otvorite aplikaciju koja podržava skeniranje barkodova.
- Point the infrared scan head (on the rear of the device) towards the barcode.
- Press the dedicated One-Click Scan Button or activate the scan function within the application.
- Ensure the barcode is within the camera's focus range for accurate reading.

Slika 6.3: Barcode Scanning Functionality.
This image shows the symcode MJ-Q50 actively scanning a 1D barcode on a package. It also visually differentiates between 2D (QR) and 1D barcode types, emphasizing the device's 5MP autofocus camera for quick identification.
6.4 NFC funkcionalnost
The device includes NFC for contactless card recognition and other compatible applications.
- Ensure NFC is enabled in the device's settings (Postavke > Povezani uređaji > NFC).
- Open an application that utilizes NFC (e.g., for payment processing or loyalty programs).
- Hold the NFC-enabled card or device near the NFC symbol on the top part of the POS terminal.
- The device will register the NFC interaction.
6.5 Podržane aplikacije
The symcode MJ-Q50 supports a wide range of Android applications, including popular POS software. You can download applications from the Google Play Store.
- POS Software: Loyverse, iREAP, Kyte, Shopify.
- General Apps: Google Chrome, PDF readers.
7. Održavanje
7.1 Čišćenje uređaja
- Isključite uređaj prije čišćenja.
- Koristite meku krpu koja ne ostavlja dlačiceampened with water or a mild screen cleaner to wipe the display and exterior.
- Ne koristite jake hemikalije, abrazivna sredstva za čišćenje ili prekomjernu vlagu.
- Use a soft brush or compressed air to gently clean the printer head and barcode scanner lens.
7.2 Njega baterija
- Prije prve upotrebe do kraja napunite bateriju.
- Izbjegavajte često potpuno pražnjenje baterije kako biste produžili njen vijek trajanja.
- If the device will not be used for an extended period, charge the battery to about 50% and store it in a cool, dry place.
7.3 Zamjena rolne papira
Replace the thermal paper roll when it runs out or when print quality degrades. Refer to Section 5.2 for detailed installation steps.
8. Otkrivanje problema
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Uređaj se ne uključuje. | Slaba ili prazna baterija. | Napunite uređaj pomoću priloženog USB punjača i kabela. |
| Štampač ne štampa. | No paper, paper jammed, or printer cover not closed. | Check and replace paper roll (Section 5.2). Ensure printer cover is securely closed. Clear any paper jams. |
| Poor print quality or small font. | Low battery, incorrect paper type, or application settings. | Ensure battery is sufficiently charged. Verify you are using thermal paper. Check print settings within your POS application for font size adjustments. |
| Barcode scanner not reading. | Barcode damaged, poor lighting, or scanner lens dirty. | Ensure barcode is clear and undamaged. Provide adequate lighting. Clean the scanner lens (Section 7.1). |
| Device shuts down unexpectedly during printing. | Battery issue or software malfunction. | Ensure the battery is fully charged and properly seated. Try restarting the device. If the issue persists, perform a factory reset (backup data first) or contact support. |
| Ne mogu se povezati na Wi-Fi/4G. | Incorrect password, out of range, or SIM card issue. | Verify Wi-Fi password. Move closer to the Wi-Fi router. Check SIM card installation and mobile data settings. |
9. Specifikacije
| Feature | Detalj |
|---|---|
| Broj modela | MJ-Q50 |
| Operativni sistem | Android 8.1 |
| Procesor | MTK Deca-core/10 cores (up to 2.5Ghz) |
| Memorija | 3 GB RAM-a, 16 GB ROM-a |
| Display | 5.5-inčni zaslon osjetljiv na dodir |
| Printer Type | 58mm termalni štampač |
| Brzina štampanja | 90mm/s |
| Prečnik rolne papira | 40 mm (maks.) |
| Barcode Scanner | 1D/2D Barcode Scanner (via 5MP Autofocus Camera) |
| Povezivanje | 4G, Wi-Fi, Bluetooth, NFC |
| Luke | USB Type-C (supports OTG), Nano SIM + TF card slot |
| Baterija | 3200mAh 7.6V Lithium Polymer |
| Dimenzije proizvoda | 8.6 x 2.2 x 3.25 inča |
| Težina artikla | 1.3 funte |

Slika 9.1: Key Specifications Summary.
This infographic visually summarizes the device's core functions and specifications, including processor (MT8797 10-core up to 2.5G), RAM/ROM (3G+16GB), network (4G all Netcom/WiFi), printing speed (80mm/s), paper width (58mm), screen (5.5-inch HD), battery (7.6V/3200mAh), camera (5 Mega-Pixel), SIM card support, and Android 8.0 OS.
10. Garancija i podrška
For warranty information and technical support, please refer to the documentation provided with your purchase or contact symcode customer service.
Kontakt korisničke podrške:
- Telefon: 212-555-1212 (Nprampbroj)
- Webstranica: Visit the official symcode webstranica za resurse podrške.
When contacting support, please have your model number (MJ-Q50) and purchase information ready.





