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Need help?Do you have a question about the Jingchen NIIMBOT B21 and is the answer not in the manual?
Press and hold the On/Off button for 2 seconds to power on the printer.
Press the On/Off button to advance the paper.
Press the On/Off button when the printer is on to print a self-test page.
Detects 'Lack of paper' and 'Cover open' status, with no printer response.
The printer has low power detection and will shut down automatically when the battery is low.
The mobile App shows corresponding indication when Bluetooth is connected.
PC software shows corresponding indication when the USB is connected successfully.
The red light is steadily on when plugging in the power adapter.
Stop the printing job by pressing the On/Off button during printing.
Remove the protective seal from the consumables.
Press down the lever to open the printer cover.
Move the plates apart to prepare for paper loading.
Load the paper with the printing side facing the print head.
Fix the plates and close the cover with paper extending outside.
Check paper orientation and print self-test page to diagnose.
Adjust print density, clean clogged print head, or use recommended paper.
Verify paper type, check for paper usage, or ensure cover is locked.
Check if paper is used up or if the cover is properly locked.
Analyze issues like 'Lack of paper', 'Cover open', or 'Low battery' via APP tips.
Use reset hole to shut down and reboot the printer if it freezes.
Connect printer via Bluetooth in the Niimbot app and choose templates.
Scan QR code to download the Niimbot APP for label printing.
Search for Niimbot in the App Store or Google Play to download the app.
Click 'Tutorial' for video guides on printer functions.
General| Print Technology | Thermal Transfer |
|---|---|
| Connectivity | Bluetooth |
| Print Resolution | 203 DPI |
| Maximum Print Width | 48mm |
| Supported Label Width | 20-50 mm |
| Maximum Print Speed | 30mm/s |
| Operating System | Android, iOS |
| Supported Label Materials | Paper, PET, Synthetic |
