1. Ro-ràdh
This manual provides essential information for the proper use and maintenance of your Sunmi V1 Handheld POS Terminal. The Sunmi V1 is a portable Android-based point-of-sale device featuring a 5.5-inch display and an integrated 58mm thermal printer. It is designed for commercial environments requiring efficient transaction processing and receipt printing.
Key features include a high-speed thermal printer capable of printing at 75mm/second, low noise operation, and energy efficiency. The device supports a 40mm roll diameter for thermal paper, allowing for printing of over 5000 orders on a full charge.
2. Toradh thallview
The Sunmi V1 combines a handheld terminal with an integrated printer, offering a compact solution for various business needs.

Figear 2.1: Cearcallach view of the Sunmi V1 Handheld POS Terminal, showcasing its orange and black design.

Figear 2.2: Aghaidh view of the Sunmi V1, displaying the 5.5-inch screen with various application icons such as App Store, POS Steward, Updater, Debug Helper, Settings, and Cash Register.
2.1. Prìomh phàirtean

Figear 2.3: Spreadh view illustrating the internal structure of the Sunmi V1, including the screen, main board, battery compartment, and thermal printer mechanism.

Figear 2.4: Taobh view of the Sunmi V1, highlighting the SIM card slot, USB interface, microphone, and American Standard headset jack.

Figear 2.5: Taobh view of the Sunmi V1, indicating the side key for quick scanning and the open printer compartment with a thermal paper roll inserted.
2.2. Prìomh fheartan
- Integrated 58mm Thermal Printer: High-speed printing for receipts and orders.
- Siostam-obrachaidh Android: Provides a familiar and flexible platform for various POS applications.
- Taisbeanadh 5.5-òirleach: Clear and responsive touchscreen for user interaction.
- Dealbhadh so-ghiùlain: Lightweight (450 Grams) and ergonomic for handheld use.
- Ceangal: Supports Wi-Fi and cellular networks (via SIM card slot) for seamless operation.
- Gnìomh sganaidh: Dedicated side key for quick scanning operations.
3. Suidhich
3.1. Cosgais Tùsail
Before first use, fully charge the device using the provided power adapter. Connect the USB cable to the device's USB interface and the adapter to a power outlet. The charging indicator will typically show the charging status.
3.2. Inserting SIM Card (Optional)
- Locate the SIM card slot on the side of the device (refer to Figure 2.4).
- Fosgail còmhdach slot a’ chairt SIM gu faiceallach.
- Insert the SIM card into the slot with the metal contacts facing down, ensuring it is correctly oriented.
- Dùin còmhdach slot a’ chairt SIM gu tèarainte.
3.3. A’ luchdadh pàipear teirmeach
- Locate the printer compartment at the top of the device.
- Gently push the release latch or button to open the printer cover (refer to Figure 2.5).
- Insert a new roll of 58mm thermal paper into the compartment, ensuring the paper feeds from the bottom and the leading edge extends slightly out of the printer slot. The roll diameter should not exceed 40mm.
- Close the printer cover firmly until it clicks into place.
3.4. A ’toirt cumhachd air / dheth
- Gus cumhachd a thoirt air: Brùth is cum sìos am putan cumhachd (mar as trice air an taobh) gus an las an scrion suas.
- Gus cumhachd a thoirt dheth: Press and hold the power button until a power-off menu appears on the screen. Select 'Power Off' and confirm.
4. Stiùireadh Obrachaidh
4.1. Seòladh Bunaiteach
The Sunmi V1 operates on an Android platform. Use the touchscreen for navigation, tapping icons to open applications, swiping to scroll, and using the on-screen navigation buttons (Back, Home, Recent Apps) at the bottom of the display.
4.2. A 'ceangal ri Wi-Fi
- From the home screen, swipe down from the top to access the quick settings panel, or go to Roghainnean > Lìonra & Eadar-lìon > Wi-Fi.
- Turn on Wi-Fi. The device will scan for available networks.

Figear 4.1: The Sunmi V1 screen displaying available Wi-Fi networks, with one network successfully connected.
- Tagh an lìonra a tha thu ag iarraidh agus cuir a-steach am facal-faire ma thèid iarraidh ort.
- Cho luath ‘s a bhios e ceangailte, nochdaidh ìomhaigh Wi-Fi anns a’ bhàr inbhe.
4.3. Using the Integrated Printer
The 58mm thermal printer is designed for quick and efficient receipt printing. When an application sends a print command, the printer will automatically activate. Ensure thermal paper is loaded correctly (refer to Section 3.3).
4.4. Using the Scanning Function
The Sunmi V1 features a side key for quick scanning. Depending on the application, pressing this key will activate the device's scanner to read barcodes or QR codes. Ensure the scanning application is open and ready to receive input.
5. Cumail suas
5.1. A ’glanadh an inneal
- Cleachd clò bog, tioram, gun lint gus taobh a-muigh an inneil a ghlanadh.
- For the screen, use a screen-specific cleaning solution and a microfiber cloth. Avoid harsh chemicals or abrasive materials.
- Regularly clean the printer head with a specialized thermal printer cleaning pen or isopropyl alcohol on a cotton swab to ensure optimal print quality.
5.2. Cùram Bataraidh
- Seachain a bhith a’ nochdadh an inneal gu fìor theodhachd.
- Na leig leis a’ bhataraidh a bhith làn-dhì-luchdaichte airson ùine mhòr.
- Cleachd an charger tùsail no charger co-chòrdail le teisteanas a-mhàin.
5.3. Àrainneachd Obrachaidh
The optimal operating temperature for the Sunmi V1 is between 0°C and 40°C. Operating outside this range may affect performance and device longevity.
6. A ’dèanamh trioblaid
6.1. Inneal gun a bhith a’ tionndadh air
- Ensure the battery is sufficiently charged. Connect the device to the charger and wait a few minutes before attempting to power on again.
- Check if the power button is stuck or damaged.
6.2. Clò-bhualadair Gun Chlò-bhualadh
- Verify that thermal paper is loaded correctly and that the roll is not empty.
- Ensure the printer cover is securely closed.
- Check the application settings to confirm that the print command is being sent.
- Clean the printer head if print quality is poor or inconsistent.
6.3. Cùisean Ceangail Wi-Fi
- Ath-thòisich an inneal agus an router Wi-Fi agad.
- Dèan cinnteach gu bheil thu taobh a-staigh ruigsinneachd an lìonra Wi-Fi.
- Verify that the Wi-Fi password is entered correctly.
- Feuch ri ceangal ri lìonra Wi-Fi eadar-dhealaichte gus an duilgheadas a sgaradh.
6.4. Sgrion-suathaidh gun fhreagairt
- Ath-thòisich an inneal.
- Dèan cinnteach gu bheil an sgrion glan agus saor bho sprùilleach no taiseachd.
- Ma mhaireas a’ chùis, cuir fios gu taic teachdaiche.
7. Sònrachaidhean
| Feart | Tuairisgeul |
|---|---|
| Brand | Sunmi |
| Modail Àireamh | V1 |
| Seòrsa Rianadair | Android |
| Meud taisbeanaidh | 5.5 òirlich |
| Teicneòlas clò-bhualaidh | Teirmeach |
| Toradh Clò-bhualadair | Monochrome |
| Meadhanan Clò-bhualaidh | Labels (Thermal Paper) |
| Trast-thomhas rolla pàipeir | 40mm as àirde |
| Luas clò-bhualaidh | 75mm/second |
| Feart sònraichte | So-ghiùlain |
| Dath | Orains |
| Cuideam nì | 450 gram |
| Innealan co-fhreagarrach | Smartphones (as a platform) |
| Eadar-aghaidh bathar-cruaidh | USB |
| Co-phàirtean air an toirt a-steach | Thermal printer (device itself) |
| Teòthachd Obrachaidh | 0 - 40°C |
8. Barantas agus Taic
For warranty information, please refer to the documentation provided at the time of purchase or contact your vendor. If you encounter issues that cannot be resolved using the troubleshooting guide, please contact Sunmi customer support or your authorized service provider for assistance.
Keep your purchase receipt and product serial number readily available when contacting support.