PSF811-U & PSF811-UEWB Receipt Printer Setup & Support

Complete setup, drivers, printer settings, connection help, user guide and troubleshooting for PSF811-U and PSF811-UEWB Receipt Printers.

Receipt Printer USB LAN* Wi-Fi* Bluetooth* Windows Mac

⚠ First Check Your Printer Model

The two PSF811 models have different connectivity. Please check the model printed on your printer or product label before setup.

PSF811-U
USB MODEL

Connectivity: USB

Use the USB connection to connect the printer directly to your computer.

PSF811-UEWB
MULTI-CONNECTIVITY MODEL

Connectivity: USB + LAN + Wi-Fi + Bluetooth

Choose USB, LAN, Wi-Fi or Bluetooth according to your setup.

Important: PSF811-U is the USB model. LAN, Wi-Fi and Bluetooth setup instructions apply to PSF811-UEWB only.

👋 New PSF811 User? Start Here

Complete these 3 steps before your first print.

1
Check Your Model Confirm whether you have PSF811-U or PSF811-UEWB.
2
Install Driver Download the correct Windows or Mac driver.
3
Connect & Test Print Connect your printer and print one test receipt.
Having trouble? Contact our technical support team before requesting a return.

What do you want to do?

🔎 Check Model 🔌 Connection ⬇ Drivers & Tools 📖 User Guide ▶ Tutorials 🛠 Fix Problem

🔌 Choose Your Connection

First confirm your printer model, then select the correct connection method.

🔌

USB

Direct connection between your printer and computer. Install the printer driver before printing.

PSF811-U & PSF811-UEWB View USB Setup
🌐

LAN

Connect the printer through your wired network.

PSF811-UEWB ONLY View LAN Setup
📶

Wi-Fi

Connect the printer through your wireless network.

PSF811-UEWB ONLY View Wi-Fi Setup
🔵

Bluetooth

Use Bluetooth for a compatible wireless connection.

PSF811-UEWB ONLY View Bluetooth Setup
PSF811-U Customer?
Use the USB setup only. Do not try LAN, Wi-Fi or Bluetooth setup on PSF811-U.

🚀 PSF811 Quick Start

1
Connect Power
Connect the printer correctly to power and switch it ON.
2
Load Thermal Receipt Paper
Insert the receipt roll correctly and close the printer cover.
3
Install Driver
Install the Windows or Mac driver from the download section below.
4
Select Connection
PSF811-U: USB. PSF811-UEWB: USB, LAN, Wi-Fi or Bluetooth.
5
Select Printer
Select the installed printer in your computer or billing software.
6
Print Test Receipt
Check print darkness, paper width, feeding and cutter operation.

⬇ PSF811 Drivers, Printer Setting Tool & User Guide

Download the required software and documentation below.

🖥 WINDOWS Download Windows Driver 🍎 MAC Download Mac Driver ⚙ PRINTER SETTINGS Download Printer Setting Tool 📖 PSF811 MANUAL Download User Guide
💡 Setup Tip
Install the printer driver first. Then connect your printer using the connection supported by your PSF811 model.

🖨 Complete Your First Test Print

Before regular billing or receipt printing, complete these checks.

1. Printer Setup

✓ Correct PSF811 model identified

✓ Printer is powered ON

✓ Thermal receipt paper loaded correctly

✓ Printer cover closed properly

✓ Correct driver installed

✓ Correct connection selected

2. Test Receipt

✓ Receipt prints dark and clear

✓ Text and barcode are readable

✓ Receipt width is correct

✓ Print is not cut off

✓ Paper feeds smoothly

✓ Cutter works correctly

Blank Receipt?
Check that you are using thermal receipt paper and that the printable thermal side is positioned correctly.

▶ Connection & Troubleshooting Videos

These videos demonstrate setup and troubleshooting procedures. Always follow the connectivity available on your PSF811 model.

Video Note:
The available tutorials below demonstrate the setup using the KP307 interface. Use them as connection/setup references only. Your PSF811 model name or interface may appear differently.
USB Driver Setup Reference
Applicable connection: PSF811-U & PSF811-UEWB
Wi-Fi Connection Setup Reference
For PSF811-UEWB only
Bluetooth Laptop Printing Setup Reference
For PSF811-UEWB only
LAN / Network Setup Reference
For PSF811-UEWB only
Paper Jam, Cutter Jam & Door Issue Reference
General troubleshooting reference

🛠 PSF811 Not Working?

Check the problem below before requesting a replacement or return.

❌ Printer Not Printing

Check printer power, thermal paper, driver and connection. Confirm the PSF811 printer is selected in your software.

🔌 USB Not Working

Reconnect USB, confirm the driver is installed, restart the printer and computer, then test again.

📶 Wi-Fi Not Connecting

For PSF811-UEWB only. Check network settings and printer configuration. Do not use Wi-Fi setup for PSF811-U.

🌐 LAN Not Connecting

For PSF811-UEWB only. Check the LAN cable, network configuration and printer settings.

🔵 Bluetooth Not Connecting

For PSF811-UEWB only. Confirm Bluetooth is enabled on the compatible device and check printer connection settings.

⬜ Blank Receipt

Check that thermal receipt paper is being used and that the printable thermal side is facing correctly.

🌫 Light / Faded Print

Check thermal paper quality and available print-density or darkness settings in the printer setup.

✂ Receipt Cut Off

Check receipt width, page size, margins and scaling inside your billing or printing software.

📄 Paper Not Feeding

Check that receipt paper is loaded straight and correctly. Make sure nothing is blocking the paper path.

⚠ Paper Jam

Switch the printer OFF before checking the paper path. Remove jammed paper carefully without forcing internal parts.

✂ Cutter Jam

Do not force the cutter or cover. Switch the printer OFF and carefully check for jammed paper.

🚪 Cover / Door Issue

Check for jammed paper or obstruction before closing the cover. Never force the printer cover.

Before You Return Your PSF811

Please complete these checks first. Many connection, driver and printing problems can be solved without replacing the printer.

✓ Confirmed whether the model is PSF811-U or PSF811-UEWB.
✓ Correct PSF811 driver is installed.
✓ Printer is powered ON and connected correctly.
✓ Connection selected is supported by your PSF811 model.
✓ Thermal receipt paper is loaded correctly.
✓ Thermal paper direction has been checked.
✓ Receipt width and print settings have been checked.
✓ Printer and connected computer/device have been restarted.
✓ Paper path and cutter have been checked for a jam.
✓ PSF811 User Guide and relevant setup instructions have been checked.
Still facing a problem? Contact our technical support team before requesting a return.
💬

Still Having a Problem?

Our technical support team can help with PSF811-U and PSF811-UEWB driver installation, USB, LAN, Wi-Fi, Bluetooth, receipt printing, paper feeding and cutter-related problems.

Please contact technical support before requesting a return.

💬 Get PSF811 Technical Support

Opens WhatsApp Technical Support

⚠ Important Safety Notice

If you notice sparks, smoke, burning smell, unusual heating or any electrical problem, switch OFF and unplug the printer immediately.

For paper or cutter jams, do not force the cutter or printer cover. Switch OFF the printer before checking for jammed paper.

If the problem continues, stop using the printer and contact technical support.