NIIMBOT B21

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NIIMBOT B21 Label Printer User Manual

Model: B21

1. Introduction

The NIIMBOT B21 Label Printer is a portable, inkless thermal label maker designed for efficient organization in various settings, including home, business, and office environments. Its compact size and Bluetooth connectivity make it highly versatile for creating custom labels for a wide range of items.

NIIMBOT B21 Label Printer with sample labels and a candle

Image: The NIIMBOT B21 Label Printer in black with gold accents, shown alongside rolls of labels and a labeled candle, demonstrating its application in home and business organization.

2. Parts and Components

Familiarize yourself with the key components of your NIIMBOT B21 Label Printer:

  • Power Button: Used to turn the device on/off and initiate printing.
  • LED Indicator: Displays device status (e.g., power on, charging, error).
  • Paper Exit Slot: Where printed labels emerge.
  • Paper Cover Switch: Lever on the side to open the paper compartment.
  • Type-C Charging Port: For charging the internal battery.
  • Adjustable Paper Slot: Accommodates various label widths (0.8 to 2 inches).
NIIMBOT B21 Label Printer showing its compact size and internal battery

Image: A close-up view of the NIIMBOT B21 Label Printer, highlighting its compact design and the internal rechargeable battery, emphasizing its portability.

3. Setup

3.1 Inserting the Label Paper

Properly loading the label roll ensures smooth printing. Follow these steps:

  1. Open the paper cover by pressing the lever on the side of the printer.
  2. Adjust the paper slot to match the width of your label roll.
  3. Place the label roll onto the spindle, ensuring the labels feed from underneath and the tip of the tape is facing up.
  4. Make sure 2-5mm of paper remains outside the machine.
  5. Close the paper cover firmly until it clicks into place.

3.2 Downloading the NIIMBOT App

The NIIMBOT app is essential for designing and printing labels. It is compatible with Android and iOS devices.

  1. Search for "NIIMBOT" in your device's App Store (iOS) or Google Play Store (Android).
  2. Download and install the official NIIMBOT application.
NIIMBOT B21 Label Printer connected to a smartphone app

Image: The NIIMBOT B21 Label Printer shown next to a smartphone displaying the NIIMBOT app interface, illustrating the wireless connection setup.

3.3 Pairing the Label Maker with Your Mobile Device

Connect your printer to the app via Bluetooth for seamless operation:

  1. Press and hold the Power Button on the printer for 3 seconds to turn it on. The green LED indicator will flash.
  2. Open the NIIMBOT app on your smartphone or tablet.
  3. In the app, click "Unconnected" in the upper right corner to search for devices.
  4. From the list of discovered Bluetooth devices, tap "B21-C2BE123030129" (or similar B21 model ID) to connect.
  5. If prompted for a PIN, enter "0000" or "1234".
  6. The machine will automatically align the paper and recognize its size.

4. Operating Instructions

4.1 Creating a Label Design

The NIIMBOT app offers extensive customization options for your labels:

  1. From the app's main screen, select a template or start a new design.
  2. Double-click the text box to edit the content. You can adjust font size, style, spacing, and alignment.
  3. Add elements such as images, icons, barcodes, QR codes, and tables using the provided tools.
  4. The app features over 30 fonts, 100+ borders, and 1500+ symbols to enhance your designs.
NIIMBOT B21 Label Printer showing high-quality printing from the app

Image: The NIIMBOT B21 Label Printer producing a custom label, demonstrating the high-quality output achievable through the NIIMBOT app's design features.

4.2 Printing Labels

Once your design is complete, you can print your labels:

  1. After editing, tap the "Print" button to enter the print interface.
  2. Adjust the number of copies and print density as needed.
  3. Confirm the print preview and tap "Print" to start printing.

4.3 Applying Labels

The self-adhesive thermal labels are easy to apply to various surfaces:

  • Carefully peel the printed label from its backing.
  • Apply the label to a clean, dry surface.
  • Press firmly to ensure good adhesion.
Various uses of NIIMBOT B21 labels for home and business

Image: A collage of images showcasing diverse applications of NIIMBOT labels, including organizing pantry items, labeling packages, and tagging jewelry, highlighting its versatility for home and business use.

5. Maintenance

To ensure the longevity and optimal performance of your NIIMBOT B21 Label Printer, follow these maintenance tips:

  • Cleaning: Regularly wipe the print head with a soft, lint-free cloth. Do not use harsh chemicals or abrasive materials.
  • Storage: Store the printer in a cool, dry place away from direct sunlight and extreme temperatures.
  • Battery Care: Charge the built-in 1200mAh rechargeable battery regularly, even if not in frequent use, to maintain battery health. Avoid fully discharging the battery for extended periods.
  • Label Storage: Store label rolls in their original packaging to protect them from dust and moisture.

6. Troubleshooting

If you encounter issues with your label printer, refer to the following common solutions:

ProblemPossible CauseSolution
Printer not turning onLow battery; Power button not pressed long enoughCharge the printer for at least 4 hours; Press and hold the power button for 3 seconds.
Labels not printing clearlyPrint head is dirty; Low print density settingClean the print head; Increase print density in the app.
App not connecting via BluetoothBluetooth is off; Printer is out of range; App issueEnsure Bluetooth is enabled on your device; Move printer closer; Restart app/device.
Labels not feeding correctlyLabel roll inserted incorrectly; Paper slot not adjustedRe-insert label roll with tip facing up; Adjust paper slot to fit label width snugly.

7. Specifications

  • Brand: NIIMBOT
  • Model: B21
  • Connectivity: Bluetooth
  • Printing Technology: Thermal (Inkless)
  • Max Print Speed (Monochrome): 60 ppm
  • Supported Label Width: 0.8 to 2 inches (20-50mm)
  • Battery: 1200mAh rechargeable battery
  • Charging Port: Type-C
  • Item Weight: 300 Grams (0.66 lbs)
  • Product Dimensions: 2.36"D x 5.1"W x 3.54"H
  • Controller Type: Android, iOS (via NIIMBOT App)

8. Warranty and Support

NIIMBOT provides 18 months of warranty service for the B21 Label Printer. If your label maker is broken, won't start, or requires repair, please contact NIIMBOT customer service for assistance.

For further support, visit the official NIIMBOT Store on Amazon: NIIMBOT Store

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