Cash Register Help: Peripherals

Free cash register

Free-cash-register.net, free online POS software since 2014

Learn More

Follow Us

Cash Register Help Center

This help will guide you through the setup and usage of our point of sale cash register software.

🖨️ Peripherals

This page guides you through setting up compatible peripherals: printers, cash drawers, barcode readers, and Sunmi or Epson equipment.

☀️ Sunmi Compatibility (Built-in Printer, Secondary Display)

Sunmi devices are automatically detected by the app.

  • The integrated thermal printer is immediately ready for use
  • Client screen is supported if present
  • No manual setup required
✅ Models tested: V2, V2s, T2 Mini, P2 Pro

🖨️ Epson printers (Bluetooth / Ethernet)

Epson thermal printers (ESC/POS models) are compatible with the application.

  1. Turn on the Epson printer
  2. From the app, open the Settings > Printer menu
  3. Press the search button to detect devices
  4. Choose the detected Epson printer (via Bluetooth or network)
✅ Auto-detection works on Android and iOS.

💵 StarMicronics Cash Drawer (Bluetooth)

StarMicronics drawers connect automatically via Bluetooth.

  1. Open the Settings > General Options menu
  2. In the Hardware section, tap the Detect button
  3. The Bluetooth drawer appears in the list. Select it.
✅ No technical configuration required – detection is automatic.

📷 Barcode readers

  • Connect a USB or Bluetooth drive (recognized as a keyboard)
  • Scan a product to add it to the receipt
  • You can also use the phone's camera
✅ No drivers required for conventional drives.

📋 Compatibility Summary

Peripheral Login Setup
Sunmi (printer, screen) Internal / self None – automatically detected
Epson (Bluetooth / Ethernet) BT / Network Search via button in Settings > Printer
StarMicronics (drawer) Bluetooth Detection via General Options > Hardware
Barcode readers USB / BT / Camera Plug & Play
Register now