PrintingThermal PrinterReceiptPOSTutorial

Two Ways to Print

1. System Printer (Normal)

Print HTML, images, PDFs, text via any connected WiFi/USB printer.

How: Drag Printer component → Use Print flow node → System dialog opens.

2. Thermal Printer (Receipt/POS)

Print receipts and labels via Bluetooth/USB/WiFi thermal printers (ESC/POS).

How: Drag ThermalPrinter → Connect → Print Receipt → Print Barcode → Cut Paper.

Thermal Printer Setup

Drag ThermalPrinter onto screen
Set connection type: Bluetooth, USB, or WiFi
Set paper width: 58mm (small), 80mm (standard), 110mm (wide)
For Bluetooth: pair printer first in phone settings

Print Receipt Flow

Event (Print Button.onPress)
→ Connect Thermal Printer
→ Print Receipt ("===== MY STORE =====\nDate: 2026-06-01\n\nCoffee x2     $8.00\nMuffin x1     $3.50\n\nTotal: $11.50\n\nThank you!")
→ Print Barcode ("ORD-2026-001", QR_CODE)
→ Feed Paper (3 lines)
→ Cut Paper

Receipt Formatting

Flow Node	Options
Print Receipt	text, fontSize, bold, alignment (left/center/right)
Print Barcode	QR_CODE, CODE_128, EAN_13, UPC_A
Print Image	logo, product image
Feed Paper	number of blank lines
Cut Paper	auto-cut (if printer supports)

Supported Printers

Works with any ESC/POS compatible printer:

Epson TM series
Star Micronics
Bixolon
Xprinter
Generic 58mm/80mm Bluetooth printers from Amazon

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How to Print Receipts & Documents in Your App