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F12D

A4 Portable Thermal Printer

High Cost-Performance · Precise & Efficient · More Portable

Built-in Paper Bin with Included Roll Paper

Simply place the roll paper into the compartment – no extra accessories needed, ready to print anytime.

203dpi resolution, high‑definition printing.

Clear and legible text, tables, and barcode.
Supports black mark folded paper.

More accurate and efficient continuous printing.
Optional custom anti-curling accessory for smoother and better small roll paper printing results.

Equipped with smart low-paper warning system

Monitors paper levels and alerts you to refill – no more interruptions.

Supports connection to phones and computers

Optional Bluetooth and WiFi for connecting to various smart devices, enhancing convenience and flexibility.

Supports Printing on Multiple Paper Types

Roll paper / folded paper / single sheet paper – freely switchable to meet different scenario needs.

Supports multiple paper sizes.

US Letter /A4 / A5 / B5 / 4" / 3" / 2" – easily meets the printing needs of various document sizes.

Home Education

Mobile Office

Personal Daily Use

Construction site printing

Print via Bluetooth or USB – Flexible Computer Connection

Windows OS: Supports Bluetooth connection and USB connection .

macOS: Supports USB connection – install driver and print directly

Equipped with label peel-off function

Optional Bluetooth and WiFi for connecting to various smart devices, enhancing convenience and flexibility.

Built-in Rich Templates for Easy Use

Download the "RONGTA" app on your mobile phone and connect the device via Bluetooth to start printing.

The app includes exclusive office, learning, and educational materials, with a wide range of templates ready to select and print.

Technical Specifications

Application Scenarios		Personal Daily Use, Mobile Office, Home Education
Hardware Configuration	Interface	BU
	Screen	No
	RAM	192KB
	FLASH	1MB
	Tear Bar	Support
Print Specifications	Printing Method	Thermal line dot printing
	Print Width	≤208mm
	Print Resolution	203dpi
	Print Speed	Max 16mm/s
Paper Specifications	Paper Type	US Letter /A4/A5/B5/4"/3"/2", roll paper / folded paper / single sheet paper
	Paper Width	216mm Max
	Paper Thickness	0.055~0.09mm
	Paper Roll Outer Diameter	φ30mm (Max)
Power Requirements	Power Input	5V 2A
	Battery	7.4V 1500mAh
	Charging Time	≤2 hours
	Printing Endurance	185 sheets (US Letter)
	Standby Endurance	56 hours
Buttons	POWER Button	Power on, self-test page printing, etc.
Buttons	Reset Button	Pinhole reset
System Functions	System Functions (Domestic/International Versions)	Driver: Windows / macOS / Linux App: iOS / Android
Device Specifications	Print Lifespan	10 km
	Device Color	Dark gray, white
	Dimensions	2678146mm
	Weight	687g
	Accessories	USB cable, Quick Start Guide, roll paper
	Operating Temperature	0～45°C
	Operating Humidity	10%～80% (non-condensing)
	Storage Temperature	-10°C～60°C
	Storage Humidity	10%～90% (excluding paper roll)

Support & Downloads

Description of some content on the website page:

1. The product images and screen content on the above pages are for illustrative purposes only. The actual product effects (including but not limited to appearance, color, size) and screen display content (including but not limited to background, U1, accompanying images) may vary slightly. Please refer to the actual product for accuracy

2. Some product accessories need to be purchased separately, and the page effect is for reference only.

3. The data presented on the above pages are theoretical values, all sourced from our internal laboratory and obtained under specific testing conditions (please refer to individual specifications). Actual usage may vary slightly due to individual product differences, software versions, usage conditions, and environmental factors. Please refer to the actual usage situation.

4. Due to real-time changes in product batches and production supply factors, in order to provide accurate product information, specifications, and product characteristics as much as possible, we may adjust and revise the textual descriptions, image effects, and other content on the above pages in real time, in order to match the actual product performance, specifications, indices, components, and other information.

5. In case of any necessity for the aforementioned modifications and adjustments, no special notice will be given