1. Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your POLONO PM220S Bluetooth Thermal Label Printer. The PM220S is a portable, inkless label maker designed for various labeling needs in home, office, and small business environments. It supports printing from both mobile devices (iOS/Android) and personal computers.

Image: POLONO PM220S Label Maker displaying various label types.
2. Package Contents
Please verify that all items listed below are included in your package:
- 1 x POLONO PM220S Label Maker
- 1 x Roll of white label paper (50x30mm)
- 1 x User Manual
- 1 x Guide Card
- 1 x Type-C USB Charging Cable
3. Product Specifications
| Feature | Specification |
|---|---|
| Model Name | PM220S |
| Printing Technology | Direct Thermal (Inkless) |
| Print Resolution | 203 DPI |
| Connectivity | Bluetooth, USB Type-C |
| Compatible Devices | Smartphones (iOS & Android), PC (Windows, macOS) |
| Supported Label Width | 23-54mm (0.91" - 2.12") |
| Maximum Media Size | 50x80mm |
| Control Method | "Labelnize" App |
| Battery | 1 Lithium Polymer (included) |
| Product Dimensions | 3.35"D x 4.45"W x 2.56"H |
| Item Weight | 13.4 ounces |
The PM220S features an LED screen display for battery level, connection status, and paper shortage reminders.

Image: LED screen display functions including connection, content presentation, and battery reminder.
4. Setup Guide
4.1. Installing Label Tape
Follow these steps to correctly load the label tape into your PM220S printer:
- Open the paper bin cover: Gently lift the cover of the label maker to access the paper bin.
- Insert the label roll: Place the label roll into the bin. Ensure the labels are facing upwards.
- Adjust the paper slot: Slide the adjustable guides to fit the label tape securely, leaving a 1-2mm space on both sides.
- Close the paper bin door: Ensure the label tape is properly aligned before closing the cover.
- Power on the device: Press and hold the power button to turn on the label maker.

Image: Visual instructions for installing label tape.

Image: The label printer supporting various label widths from 1 to 2 inches (20-50mm).
4.2. App Installation
The POLONO PM220S requires the "Labelnize" application for operation. Install it on your mobile device or PC:
- For iOS & Android: Download the "Labelnize" app from your device's app store.
- For PC (Windows/macOS): Visit polono.com to download the necessary driver and application.

Image: QR codes for downloading the "Labelnize" app for iOS and Android, alongside a visual guide for initial app usage.

Image: Guide for PC users to download drivers and the "Labelnize" app from the POLONO website.
4.3. Connecting to Your Device
The PM220S offers both Bluetooth and USB connectivity:
- Bluetooth Connection (Mobile):
- Ensure Bluetooth is enabled on your smartphone.
- Open the "Labelnize" app.
- In the app, tap "Unconnected" and select "PM220S" from the list of available devices to connect. Do not connect directly via your phone's Bluetooth settings.
- USB Cable Connection (PC):
- Connect the PM220S to your PC using the provided Type-C USB cable.
- Ensure the driver downloaded from polono.com is installed.
- Use the "Labelnize" application on your PC for printing.

Image: Demonstrating Bluetooth connection for mobile devices and USB connection for computers.
5. Operation
5.1. Using the "Labelnize" App (Mobile)
The "Labelnize" app provides extensive features for label creation and printing:
- Install the app: Scan the QR code or search "Labelnize" in your app store.Apple App Store | Google Play Store
- Connect to printer: Open the app, tap "Unconnected", and select "PM220S".
- Create a new label: Tap the "+" icon to start a new label.
- Add content: Use options like "Text", "Barcode", "QR Code", "Material", "Time", "Figures", and "Icons" to design your label. The app includes over 90 fonts and 450 materials.
- Edit and format: Customize your label content and layout.
- Print settings: Adjust the number of copies and preview your label.
- Print: Tap "Print" to send the label to your PM220S.

Image: Step-by-step guide on using the "Labelnize" app interface for label creation and printing.
5.2. Printing Guidelines
- The PM220S uses direct thermal printing technology, eliminating the need for ink or toner.
- Ensure your labels are within the supported width range of 23-54mm for optimal print quality.
- The printer offers 203 DPI resolution for clear and sharp monochrome prints.
6. Maintenance
Proper maintenance ensures the longevity and performance of your label maker:
- Cleaning the Print Head: Regularly clean the thermal print head with an alcohol swab to remove dust or adhesive residue. Ensure the printer is off and cooled down before cleaning.
- Exterior Cleaning: Wipe the exterior of the printer with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the printer in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: For optimal battery life, charge the device regularly and avoid fully discharging it for extended periods.
7. Troubleshooting
If you encounter issues with your PM220S, refer to the following common problems and solutions:
| Problem | Possible Cause / Solution |
|---|---|
| Printer not connecting via Bluetooth |
|
| Poor print quality / Faded labels |
|
| Paper jam / Labels not feeding |
|
| Printer not turning on |
|
For further assistance, please visit the official POLONO website or contact customer support.
8. Safety Information
Please read and follow these safety precautions:
- Do not disassemble, repair, or modify the printer yourself.
- Keep the printer away from water, moisture, and direct heat sources.
- Use only the specified charging cable and power adapter.
- Avoid dropping or subjecting the printer to strong impacts.
- Keep out of reach of children.
9. Warranty and Support
POLONO products are designed for reliability and performance. For warranty information and technical support, please visit the official POLONO website:
You can find drivers, user manuals, tutorial videos, and contact information for customer service on the website.





