NIIMBOT B21 Manual

Also See for B21:

Faq (3 pages)

Table of Contents

Contents

1 Packing List
2 Component description
3 Charging Issue
4 Indicator description
5 Settings
6 Consumables installation
7 Cleaning issue
8 Trouble shooting guide
9 Software download
10 Documents / Resources
- 10.1 References
- 10.2 Download manual

NIIMBOT B21 Manual

Packing List

Component description

Component description - Part 1
Component description - Part 2

Charging Issue

Plug in the power adapter and USBTYPE-Ccable. It is suggested to use 5V/2A power adapter Consumers shall use the power adapter that has obtained China Compulsory Certification (CCC) a nd met the standard requirements.

Indicator description

Settings

Turn on the printer
Press and hold On/Off button for 2 seconds to turn on the printer.
Paper feed
Press On/Off button to feed the paper.
Self-test page printing
When the printer is on, press On/Off button to print self-test page.
'Lack of paper' and 'Cover open' detection
'Lack of paper' and 'Cover open' status can be detected by the printer. In either situation, the printer does not response.

Low battery detection
The printer has low power detection and protection functions. When the printer is low on battery, it will shut down automatically.
Bluetooth connection
When the Bluetooth is connected, the mobile App will show the corresponding indication.

USB connection
When the USB is connected successfully, PCsoftware will show corresponding indication.

Power indicator
When plugging in the power adaptor, the red light is on steadily.

Emergent stop
Stop the printing job by pressing On/Off button when printing.

Consumables installation

Peel off the seal.
Press down the lever to open the cover.
Move apart the plates.
Load the paper and make the printing side face the print head.
After loading the paper, the plates must be fixed to avoid printing distortion. Closethe cover with some paper left outside the cutter.
Note: If the paper is reversely laid, the printer will not response.

Cleaning issue

If any problem below arises, please clean some parts inside the printer:

Blurry printing
Loud noise when feeding and back feeding the pape
There is glue residue or dust sticking to the roll

Cleaning procedures:

Turn off the printer;
Wait the print head to cool off completely if printing job just finished. Open the cover to find the print head (see the picture);
Roll the platen and clean the dust or smudge on it with alcohol cotton ball (drained);
Clean the dust or smudge on the print head with alcohol cotton ball (drained) or an exclusive printer cleaning pen (needs to be purchased).
Wait 5-10 minutes so that the alcohol has been volatilized before closing the cover.

Cleaning issue

Note:

Turn off the printer before cleaning.
Avoid touching the print head with hands or metal stuff.
Do not scratch print head, platen or sensor surface with tweezers or similar stuff.
Do not clean print head or platen with organic solvent like petrol or acetone.
After alcohol has been volatilized, turn on the printer.

Trouble shooting guide

The printer only delivers paper without printing contents

Check if the print paper is reversely laid. If not, double click "On/Off button" to print the self-test page.
If the self-test page cannot be printed, the printer is malfunctioning. If the self-test page is correct, check the paper or APP.

Blurry printing

Check the print density whose default value is 3 for the best printing effect.
If the prints have a horizontal line or only some of contents can printed, check if the printhead is clogged and clean it with alcohol.
If the print quality is poor, please use NiiMbot paper range.

Paper feeding or printing job cannot be stopped until 200mm paper is delivered with the failure of paper positioning.
If no paper gap is detected after 200 mm paper is delivered, there are three possibilities as follows:

Please confirm the correct type of label is chosen in the App. The printer supports "Crack label" "Black mark label" and "Continuous label".
When the cracking noise arises, the printer paper is used up. Pleaserefill.
If neither of the above situations above happens, open the cover and close it before restarting. If the problem persists, the printer is malfunctioning.

A 'Lack of paper' error prompts

Check if the printer paper has been used up.
If not, make sure if the cover is properly locked. (Loose cover may result either shifted printouts or failed paper detection.)

Unexpected stops while printing

In order to ensure the reliability of the printer, multiple protection orders are designed. The printer will stop working because of 'lack of paper', 'open cover', 'wrong data', 'high temperature' or 'low battery'
Please analyze the problems according to the tips on the APR

Printer freezing

If the printer freezes and it does not respond or cannot be shut down, please prod the reset hole with a thin stripe-shaped item (eg.clip) to shut down the printer. The printer usually can work after rebooting.

Power off the printer immediately when it malfunctions.
There are complex circuits and devices inside the printer, please do not disassemble it. Otherwise, short circuit or electrolyte penetration will be caused. If eyes contact with electrolyte accidentally, flush eye(s) with clean, flowing water and go to the hospital.
Charge the battery in a cool and airy place. Do not expose the printer and power adapter to high-temperature and high-humidity environments, or to water to avoid short circuits that can cause the battery to heat up, smoke, deform, damage, or even explode. If the power adapter comes into contact with water or other liquid, cut off the power immediately. When you notice smoke or an odor from the printer or power adapter, unplug the power adapter immediately to avoid burns.
Do not squeeze, mechanically vibrate, shake the printer or power adapter, remove or modify the power adapter. Moreover, do not use the power adapter in the event of damage to the power cable, as this my result in electric shock, fire and damage to the power adapter.
Do not use the printer where there are inflammable substances like gas stations and fuel warehouses.

Safely keep this product and its accessories away from children to prevent danger:
Do not disassemble the printer by yourself; do not open the cover during printing; after printing, the print head is still hot, do not touch it to avoid burns.
Charge the printer and power adapter in a well-ventilated place.
Please wipe the printer gently with a clean, soft cloth. Solutes, corrosive chemicals or detergents such as benzene or thinners are prohibited.
Both overtemperature and undertemperature environments can degrade the print quality.
Please charge the battery every three months if the printer is not used for long time. Otherwise, the battery will become uselessand even cause battery leakagewhich results in the damage to the printer.
If the battery fails to meet the performance requirements, contact the after-sales service personnel.
Use NiiMbot original paper, otherwise, poor print quality or damage to the printer may happen.
The time of preservation of printouts is related to the quality of thermal paper. If long-term preservation of printouts is needed, please choose long-lasting thermal printer paper.

Software download

Please download "Niimbot"App in App Store or Google Play to print the industrial labels.

How to print
Open "Niimbot" app. Click "Unconned' at the right top corner to connect the printer with phone via Bluetooth. You can either choose the industrial templates or customize your templates before clicking "printing'.
Download through scanning the QR code.
NiiMbot
Please click "Tutorial"at the right top corner to watch the tutorial videos on printer functions.