Utangulizi
The PAX A920 is a state-of-the-art mobile tablet terminal designed for modern payment processing. It combines the functionality of a payment device with the versatility of an Android operating platform. Featuring a large high-definition color display and an integrated thermal printer, the A920 is built for efficient and secure transactions. It supports a wide range of connectivity options, including 3G, WiFi, and Bluetooth, along with inbuilt NFC contactless and EMV chip card capabilities. This manual provides essential information for setting up, operating, and maintaining your A920 terminal.

Image: The PAX A920 terminal in use, demonstrating a card insertion for payment processing.
Sanidi
1. Unboxing na Ukaguzi wa Awali
Upon receiving your PAX A920, carefully open the packaging and inspect the contents. Ensure all items listed below are present and undamaged.
Ni nini kwenye Sanduku:
- PAX A920 Mobile Tablet Terminal
- Adapta ya Nguvu
- Kebo ya USB
2. Kuchaji Kifaa
Before first use, fully charge the A920 terminal. Connect the provided USB cable to the device and the power adapter, then plug the adapter into a standard electrical outlet. The charging indicator will illuminate.
3. Installing Printer Paper
The A920 features a hidden thermal printer. To install paper:
- Locate the printer cover release mechanism, typically on the top or side of the device.
- Fungua kifuniko cha kichapishi.
- Insert a new thermal paper roll, ensuring the paper feeds from the bottom of the roll and the leading edge is straight.
- Close the printer cover firmly until it clicks into place, leaving a small amount of paper protruding.

Image: The PAX A920 terminal alongside a thermal paper roll, illustrating the paper type used for the integrated printer.
4. Muunganisho wa Mtandao
The A920 supports multiple connectivity options:
- Wi-Fi: Navigate to Settings > Wi-Fi to connect to an available wireless network.
- 3G: Insert a compatible SIM card (not included) into the designated slot for cellular data connectivity.
- Bluetooth: Enable Bluetooth in Settings to pair with compatible peripherals.
A stable internet connection is required for transaction processing.
5. Merchant Processing Account
A merchant processing account is essential for using this device to accept payments. This account can be obtained through an agent, your bank, or an online provider. For debit card processing with PIN, ensure your terminal has the correct encryption type. Contact your merchant processor's customer support for encryption details if you are unsure (e.g., Wells 350, Carlton 500, TSYS XXX, Elavon).
Maagizo ya Uendeshaji
1. Kuwasha/Kuzima
- Washa: Press and hold the power button (usually on the side) until the screen illuminates.
- Zima umeme: Bonyeza na ushikilie kitufe cha kuwasha, kisha uchague "Zima" kutoka kwa chaguo zilizo kwenye skrini.
2. Navigating the Android Interface
The A920 runs on the Android operating system, providing a familiar tablet-like experience. Use the touchscreen to navigate applications, settings, and input data. Common navigation buttons (Back, Home, Recent Apps) are typically located at the bottom of the screen.

Image: A close-up of the A920's screen, showing the retailcloud mPOS interface with various transaction and management options.
The device's interface is designed for intuitive use, allowing quick access to sales transactions, customer management, reporting, and other features provided by your installed merchant application.

Image: The A920's display showing a grid of application icons, indicating its multi-functional capabilities beyond basic checkout.
3. Processing Transactions
The A920 supports various payment methods:
- Chip Card (EMV): Insert the customer's chip card into the EMV slot at the bottom of the device. Follow on-screen prompts.
- NFC Contactless: Tap the customer's contactless card or mobile device near the NFC symbol on the terminal's screen or top.
- Mstari wa Sumaku: Swipe the customer's card through the magnetic stripe reader (if applicable, typically on the side).
After a transaction, the device may prompt for an electronic signature capture on the screen. The integrated thermal printer will automatically print receipts as configured by your merchant application.
Matengenezo
1. Kusafisha Kifaa
To ensure optimal performance and hygiene, regularly clean your A920 terminal:
- Tumia kitambaa laini kisicho na pamba kidogo dampiliyowekwa kwa maji au kisafishaji kisicho na abrasive.
- Wipe down the screen and exterior surfaces.
- Avoid spraying liquids directly onto the device or using harsh chemicals.
- For the card reader slots, use specialized cleaning cards designed for payment terminals.
2. Utunzaji wa Betri
Kuongeza maisha ya betri:
- Epuka halijoto kali.
- Usiruhusu betri kutokeza kikamilifu mara kwa mara.
- Use only the provided power adapter and USB cable for charging.
3. Matengenezo ya Printer
Regularly check and replace the thermal paper roll as needed. Use only high-quality thermal paper to prevent damage to the printer mechanism and ensure clear printouts.
Kutatua matatizo
This section addresses common issues you might encounter with your PAX A920 terminal.
Device Freezing or Unresponsive Screen
- Anzisha upya: Press and hold the power button for approximately 10-15 seconds until the device powers off, then restart it.
- Angalia Betri: Ensure the device has sufficient battery charge. Connect it to the power adapter.
- Funga Maombi: If the device is slow, close unnecessary applications running in the background.
Printer Not Printing or Faint Print
- Check Paper: Ensure the thermal paper roll is correctly installed and not empty. Verify the paper is feeding from the correct side.
- Safi Kichwa cha Kuchapisha: Gently clean the thermal print head with an alcohol swab if printouts are faint or streaky.
- Aina ya Karatasi: Ensure you are using thermal paper, as regular paper will not work.
Connectivity Issues (Wi-Fi, 3G, Bluetooth)
- Washa/Zima: Turn Wi-Fi, 3G, or Bluetooth off and then back on in the device settings.
- Router/Network Check: For Wi-Fi, ensure your router is working correctly and the device is within range.
- SIM Kadi: For 3G, verify the SIM card is properly inserted and active with your carrier.
Transaction Errors / Card Not Reading
- Card Insertion/Swipe: Ensure the card is inserted fully into the EMV slot or swiped correctly through the magnetic stripe reader.
- NFC Placement: For contactless payments, ensure the card/device is held steadily over the NFC reader area.
- Clean Card Reader: Use a specialized cleaning card to clean the EMV and magnetic stripe readers.
- Merchant Account: Verify your merchant processing account is active and configured correctly for the transaction type.
- Usimbaji fiche: If experiencing issues with PIN debit, confirm your terminal has the correct encryption type from your merchant processor.
Vipimo
Key technical specifications for the PAX A920 Mobile Tablet Terminal:
| Kipengele | Vipimo |
|---|---|
| Ukubwa wa Kuonyesha Skrini ya Kudumu | Inchi 5.5 |
| Mfumo wa Uendeshaji | Android |
| Chapa ya Kichakataji | ARM |
| Graphics Coprocessor | Cortex A7 + ARM |
| Teknolojia ya Uunganisho | Cellular, Bluetooth, Wi-Fi, NFC |
| Uzito wa Kipengee | Pauni 1.01 |
| Vipimo vya Bidhaa (LxWxH) | Inchi 6.92 x 3.07 x 2.6 |
| Nyuma Webcam Azimio | 5 Mbunge |
| Rangi | Nyeupe |
Udhamini na Msaada
For specific warranty information regarding your PAX A920 terminal, please refer to the documentation provided at the time of purchase or contact your vendor. Support for the device's functionality and integration with payment processing systems is typically provided by your merchant processing service provider.
If you require assistance with your merchant account setup, encryption types, or transaction processing, please contact your merchant processor's customer support directly. They are best equipped to provide guidance on these specific aspects of the device's operation within your payment ecosystem.
For general product inquiries or technical issues not related to merchant processing, you may contact PAX support channels as indicated on their official webtovuti au ufungaji wa bidhaa.





