1. Introduction
The Niimbot B4 is a portable 4-inch thermal label printer designed for various labeling needs in small businesses, home offices, and warehouses. It offers high-quality, inkless printing with Bluetooth connectivity, making it easy to use and highly versatile. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your B4 label printer.
Image: Niimbot B4 Thermal Label Printer with feature highlights.
2. Package Contents
Please check the box for the following items:
- 1 × Niimbot B4 Thermal Label Printer
- 1 × Type-C USB Cable
- 1 × User Manual
- 1 × Gift: 1 Roll Label Paper (pre-installed inside the printer)
Image: Niimbot B4 Package Contents.
3. Specifications
| Feature | Specification |
|---|---|
| Brand Name | NiiMbot |
| Model | B4 |
| Type | Thermal Printer, Label Maker |
| Printing Accuracy | 203DPI |
| Print Speed | Max 80mm/s (40PPM) |
| Print Width | 20-110 mm (0.78"-4.33") |
| Max Paper Size | 110mm |
| Consumable Type | Label Paper |
| Interface Type | Bluetooth |
| Network Printing | Wireless (Bluetooth) |
| Paper Feed Mode | Roll Feed |
| Double-sided Printing | No |
| Battery Capacity | 2000mAh rechargeable lithium battery |
| Charging Interface | Type-C |
| Charging Time | 3-4 hours |
| Voltage | 100-240V |
| Product Dimensions | 157mm × 135mm × 69mm |
| Product Net Weight | 757g |
| Material | High Quality ABS + Paint Baking |
| Certifications | CE, FCC, RoHS, WEEE |
4. Setup Guide
4.1. Charging the Printer
Before first use, fully charge the printer. Connect the provided Type-C USB cable to the printer's charging port and a suitable power adapter (not included). The 2000mAh battery takes approximately 3-4 hours to fully charge. A full charge can print approximately 401 labels.
Image: Battery capacity and charging information.
4.2. Loading Label Paper
The Niimbot B4 supports label paper widths from 20mm to 110mm (0.78"-4.33").
- Open the printer's top cover.
- Insert the label roll into the paper compartment, ensuring the labels feed out smoothly.
- Close the top cover firmly. The printer will automatically detect the label size and calibrate.
Image: Label paper loading and supported widths.
4.3. App Installation and Device Connection
The Niimbot B4 connects wirelessly via Bluetooth to both mobile devices (iOS/Android) and PCs (Windows 7 or later).
- For Mobile Devices: Download the free 'NIIMBOT' app from your device's app store. Enable Bluetooth on your phone, open the app, and follow the on-screen instructions to connect to your B4 printer. The printer supports simultaneous connection of up to 3 iOS phones and 7 Android phones.
- For PCs: Ensure your PC has Bluetooth enabled (Windows 7 or later). Download the NIIMBOT software from the official Niimbot website. Install the software and follow the instructions to pair your printer via Bluetooth.
Image: Bluetooth connection for phone and PC.
5. Operating Instructions
5.1. Using the NIIMBOT App
The NIIMBOT app offers extensive features for label design and printing:
- Templates: Access automatic template matching, 160+ frames, and 100+ borders for custom label designs.
- Content: Utilize 20+ fonts, 1600+ icons, and support for text, pictures, QR codes, and barcodes.
- Functions: Features include scanning, image recognition, batch printing, and serial number generation.
- Languages: The app supports over 20 languages.
Image: NIIMBOT App features and interface.
5.2. Printing Labels
Once your device is connected and label paper is loaded, you can start printing. The B4 printer uses thermal printing technology, requiring no ink. It offers fast printing at a maximum speed of 80mm/s.
The printer is suitable for a wide range of applications, including:
- Commercial Use: Shipping labels, address labels, product labels (e.g., for mother and child products, fresh food, medicine), price tags, jewelry labels, clothing tags, beverage labels, meeting name labels.
- Warehouse Management: Warning labels, tip labels, area labels for material classification.
- Office Use: Document labels, asset ID.
- Home Use: Photo prints, kitchen sorting labels.
Image: Examples of labels for business use.
Image: Labels for warehouse management.
Image: Labels for office and home use.
Image: Labels for retail use.
6. Maintenance
6.1. Cleaning the Print Head
To ensure optimal print quality, regularly clean the print head. Use a soft, lint-free cloth lightly dampened with isopropyl alcohol. Gently wipe the print head surface. Allow it to dry completely before closing the cover or using the printer.
6.2. Storing Label Paper
Store label rolls in a cool, dry place away from direct sunlight and excessive heat or humidity. Improper storage can affect label adhesion and print quality.
6.3. Battery Care
To prolong battery life, avoid fully discharging the battery frequently. If the printer will not be used for an extended period, charge it to about 50% and store it in a cool, dry place. Recharge it every few months to prevent deep discharge.
7. Troubleshooting
- Printer not turning on: Ensure the battery is charged. Connect the Type-C cable to a power source and try again.
- Poor print quality: Check if the label paper is loaded correctly. Clean the print head as described in the maintenance section. Ensure you are using genuine Niimbot label paper.
- Cannot connect via Bluetooth: Make sure Bluetooth is enabled on your device and the printer is within range. Restart both the printer and your device. Ensure the NIIMBOT app/software is up to date.
- Paper jam: Open the printer cover and carefully remove any jammed label paper. Ensure the label roll is properly seated and not too tight.
- Labels not feeding: Check if the label roll is inserted correctly and not empty. Ensure the labels are not stuck together.
For more detailed troubleshooting, refer to the comprehensive user manual included in your package or the help section within the NIIMBOT app.
8. User Tips
- Optimize Battery Life: For longer printing sessions, consider connecting the printer to a power bank via the Type-C port.
- Label Variety: Experiment with different label types (white, round, transparent, cable, color, address) and sizes (20-110mm) to find the best fit for your needs.
- App Features: Explore the NIIMBOT app's advanced features like batch printing and serial number generation to streamline your labeling tasks.
- Regular Updates: Keep the NIIMBOT app and printer firmware updated to ensure compatibility and access to new features.
Image: Niimbot B4 label width support and label types.
9. Warranty and Support
For warranty information and customer support, please refer to the official NiiMbot website or contact the seller directly. Keep your purchase receipt for warranty claims.
