Introduction
The CLABEL 221B Inkless Label Printer is a versatile and portable thermal label maker designed for various labeling needs in small businesses, offices, schools, and home organization. This device utilizes direct thermal technology, eliminating the need for ink or toner, offering a cost-effective and high-quality printing solution. It supports label widths from 25-50mm (0.98"-1.96") and connects seamlessly via Bluetooth to iOS and Android devices, or via USB to a PC.
Key features include:
- Inkless High-quality Printing: Direct Thermal Technology for high-definition prints without ink or toner.
- No Bound Labels: Freedom to choose affordable third-party label paper.
- Simple but Powerful APP: The "Clabel trade" app offers ready-to-use templates and customization options.
- Portable Design: Lightweight (8.4 ounces) and compatible with iOS, Android, and PC for on-the-go printing.
- Wide Application: Ideal for labeling addresses, barcodes, QR codes, prices, dates, ingredients, and product information in various settings.
Setup
Follow these steps to set up your CLABEL 221B label printer and load the label paper.
1. Charging the Device
Before initial use, ensure the printer is fully charged. Connect the printer to a power source using the provided USB cable. Note: Avoid using fast charging adapters.
2. Loading Label Paper
- Open the Top Cover: Gently press both sides of the printer to open the top cover.
- Place the Label Roll: Insert the roll of thermal label paper into the paper bin.
- Unlock Paper Compartment: Push the blue switch lock down to unlock the paper compartment.
- Secure Label Paper: Slide the plastic baffle left to securely hold the label paper in place.
- Lock Baffle: Push the blue switch lock up to lock the plastic baffle.
- Close Cover: Pull out a small part of the label paper, then close the top cover. Ensure 1-2mm of paper remains outside the machine. The printed content page should face down, with the smooth surface of the paper facing downwards.

Image: CLABEL 221B label printer with the top cover open, showing the label roll being inserted into the paper bin.
3. Label Installation Video Guide
Video: A step-by-step guide demonstrating how to properly install label paper into the CLABEL 221B printer, including opening the cover, placing the roll, and securing it.
4. Connecting to Your Device
The CLABEL 221B supports both Bluetooth (for smartphones) and USB (for PC) connections.
Smartphone Connection (Bluetooth)
- Download the App: Download the "Clabel trade" app from Google Play Store (Android) or Apple App Store (iOS).
- Enable Bluetooth: Turn on Bluetooth on your smartphone.
- Connect in App: Open the "Clabel trade" app and follow the on-screen instructions to connect to your printer via Bluetooth.
PC Connection (USB)
- Connect USB: Connect the printer to your computer using a USB cable.
- Install Software: Download and install the CLABEL trade software from the official CLABEL website.
- Select Printer: In the software, select your CLABEL-CT221B printer to begin printing.

Image: The CLABEL 221B printer demonstrating connectivity options, showing a USB cable connecting to a laptop and a Bluetooth icon indicating connection to a smartphone.
Operating Instructions
The "Clabel trade" app provides a user-friendly interface for designing and printing labels.
1. App Operation Tutorial Video
Video: A detailed tutorial on how to use the label maker app, including selecting templates, editing content, and initiating the print process.
2. Designing Your Labels
The app offers a wide range of customization features:
- Templates: Choose from numerous ready-to-use label templates for various applications. You can also save your own custom templates.
- Text: Add and customize text with over 150 different fonts.
- Barcodes & QR Codes: Easily generate and print standard barcodes and QR codes.
- Images & Icons: Insert images from your phone or select from over 1600 built-in icons.
- Borders: Choose from over 270 border designs to enhance your labels.
- Date & Time: Add automatic date and time stamps to your labels.

Image: The Clabel trade app interface on a smartphone, displaying options for text, barcode, QR code, image, icon, time, and other editing tools for label design.
3. Printing Your Labels
Once your label design is complete:
- Review: Preview your label in the app to ensure it meets your requirements.
- Adjust Settings: Adjust print density and number of copies if needed.
- Print: Tap the "Print" button in the app. The printer will automatically feed and print your label.
- Tear Off: Gently tear off the printed label from the printer's output slot.

Image: A collage of various labels printed using the CLABEL 221B, showcasing applications for baking, address, file organization, seasoning jars, and classification.
Maintenance
Maintaining your CLABEL 221B printer is straightforward due to its inkless thermal technology.
- No Ink/Toner Replacement: The printer uses direct thermal printing, so there are no ink cartridges or toner to replace.
- Cleaning: Periodically wipe the exterior of the printer with a soft, dry cloth. If the print head becomes dirty, gently clean it with an alcohol swab (ensure the printer is off and cool).
- Battery Care: Charge the printer regularly. Avoid using fast charging adapters to prolong battery life.
- Storage: Store the printer in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
If you encounter issues with your CLABEL 221B printer, try the following solutions:
- Printer Not Connecting:
- Ensure the printer is powered on and fully charged.
- Verify Bluetooth is enabled on your smartphone and the app is open.
- For PC, ensure the USB cable is securely connected and the CLABEL software is installed.
- Restart both the printer and your device.
- Poor Print Quality:
- Check if the label paper is loaded correctly, with the printable side facing down.
- Ensure the label paper is firmly held by the plastic baffle.
- Adjust the print density settings in the app.
- Clean the print head if there are smudges or faded lines.
- Labels Not Feeding:
- Ensure the label roll is not jammed and is properly seated.
- Check that the paper compartment is securely closed.
- App Crashing/Freezing:
- Update the "Clabel trade" app to the latest version.
- Clear the app's cache or reinstall it.
- Ensure your device's operating system is up to date.
Specifications
| Feature | Detail |
|---|---|
| Brand | CLABEL |
| Model | CT221B |
| Printing Technology | Thermal |
| Connectivity Technology | Bluetooth, USB |
| Compatible Devices | Smartphones (iOS, Android), PC |
| Maximum Media Size | 50mm |
| Supported Label Width | 25-50 Millimeters (0.98"-1.96") |
| Maximum Black and White Print Resolution | High Resolution (203 x 203 dpi) |
| Max Print Speed Monochrome | 35 ppm |
| Product Dimensions | 13 x 9 x 7 cm; 370 g |
| Special Feature | Lightweight |
| Material Type | Plastic |
| Included Components | Labels |
Warranty and Support
For warranty information, technical support, or any inquiries regarding your CLABEL 221B Inkless Label Printer, please refer to the product packaging or contact CLABEL customer service directly. Contact details can typically be found on the manufacturer's website or within the product documentation.





