
Version:1.0
PORTABLE WIRELESS THERMAL PRINTER
B23 Series
INSTRUCTION MANUAL
Please read the instruction manual carefully before using the product.

Type-C Cable*1
Instruction Manual*1
Instruction
Manual
1
Printer*1
Paper*1
(In printer)
Name
Model
Consumable Max Width
Supported Consumable
Resolution
Communication Port
Power Supply
Product Dimensions
Portable Wireless Thermal Printer
B23
56mm(2.2″)
Recording paper,Recording sticker,Label paper
203dpi
Bluetooth
Type-C 5V --- 2A
89*86*39mm(3.5″*3.39″*1.54″)

❶ Paper bin cover
❷ Power button and
indicator light
• Press and hold 2 seconds
to turn on/off.
❸ Type-C Port
• Charged with mobile phone
charger or power bank.
(Input Power:5V --- 2A)
2
❹ Reset key
• When the printer is not
responding, try inserting
the needle into the reset
hole until the power indicator
light goes off and the device
shuts down. If needed,press
and holdfor 2 seconds to turn
on the device.

3
• Please connect one end of the included USB cable to the device and the other end
to a 5V --- 2A adapter or computer USB port for charging;
• Charge time: about 3 hours;
• We recommend you to use Mobile phone chargers for charging;
• If not used for a long time, please charge once every 3 months to avoid long-term
natural loss of lithium battery can not be charged.
• Working environment: Use at the ambient temperature of 5℃~40℃;
• Caution!This product doesn’t contain power adapter. If consumers use a power adapter
for power supply, please buy a power adapter that has obtained CE and FCC certification
and meets the standard requirements.The output specifications of the adapter shall
comply with 5V --- 2A.

4
❶
APP
Download
❷
Printer
Startup
❸
Connected
Printer
❹
Installation
Consumables
❺
Edit
Print
Method 2:
Scan the following QR code
to download App.
• This product needs to be connected to the printer in the App;
• Due to the requirements of mobile phone system,the Android mobile phone will use the
user's geographic location when connecting,so that the user needs to turn on the GPS
and confirm the authorization;
• This app only supports phones with Android 7.0 or iOS 11.0 or above systems.
Method 1:
Search for [AiYin] on Google Play
or App Store.

5
Press and hold the power button of the printer
for 2 seconds to turn on the printer.
Power Button Description
Indictor Light
Button
Operation
Hold for 2 seconds
Functions
Power on/off
Print diagnostic page and the QR code to
connect the printer with smart phone App
Power button Press twice
Press once The label will runout and stay in the gap
Light
Light steady on
Light flashing slowly
Green light on
Red light on
Yellow light on
Yellow light flashing quickly
Functions
Bluetooth connected
Bluetooth disconnected
Normal use status /Full charged
Cover opened/Nopaper/Over-heat
Low battery,please charge in time
Charging
NOTE
Auto power off: The printer will automatically power off after 20 minutes without operation.
You can set the timer in the App.

6
❶ Open AiYin App. ❷ Click to search for printer Bluetooth and connect.
or scan the device connection QR code by printing
from printer after double clicking the power button.
• When connecting device in the App,please make sure that your printelis turned on and
Bluetooth of your mobile phone is turned on;
• Due to the requirements of mobile phone system,the Android mobile phone will use the
user's geographic location when connecting,so that the user needs to turn on the GPS
and confirm the authorization;
• Please pair Bluetooth in the app, do not pair Bluetooth in the phone settings;
• If you need a PIN code, please enter 0000.

7
❶ Open cover.
❷ Put paper in.
Manually open the paper bin cover.
Load the paper with the print face down into the paper bin.

8
Close the paper compartment cover.
Please make sure to leave 0.1-0.2
inches of label paper on the outside.
❸ Close the cover.

9
❷ Select printing method
for editing.
❹ Click the print after editing.
❶ Open the App and select
the correct paper size.
❸ Edit printing content.
High

10
06.Driver installation
1. Turn on the printer and connect the machine to the computer
using the included USB cable.
2. Please go to www.aiyin.com to download the driver.
(Tip: Download the appropriate driver package according to your
computer system)
Please turn on the printer before connecting it to the computer.
NOTE

11
3. Decompress the driver package, double-click it, and install the
driver as prompted.
❶
❷
❹
❻
❺
❸
B23
B23
B23

12
❶ Please turn off the printer and open the printer cover and take
out the paper.
❷ Dip a cotton cloth or cotton swab with medical alcohol, and wipe
gently along the center to the periphery of the printer head.
❸ After cleaning the printer head, do not use the printer imlmediately.
Please wait for 1 to 2 minutes, and then use the printer after the
alcohol has completely evaporated.
• Please do not directly touch the printing head to avoid damage. Especially,do not
directly touch the printing head immediately after printing to avoid overheating
and scalding.
07.Clean the Printer Head

13
Recording paper
Diameter 30mm
Three-proofing (moisture proofing, salt
spray proofing and fungus proofing),
free of Bisphenol A
Recording sticker
Diameter 30mm
Three-proofing, free of Bisphenol A
Label paper
Diameter 30mm
Three-proofing, free of Bisphenol A
08.Thermal Paper Introduction

14
This device complies with part 15 of the FCC Rules.Operation is subject to the
following two conditions:
(1)This device may not cause harmful interference,and
(2)this device must accept any interference received,including interferencethat may
cause undesired operation.Any Changes or modifications not expressly approved
by the party responsible for compliance could void the user's authority to operate
the equipment.This equipment has been tested and found to comply with the limits
for a Class B digital device,pursuant to part 15 of the FCC Rules.These limits are
designed to provide reasonable protection against harmful interference in aresidential
installation.This equipment generates uses and can radiate radio frequency energy
and,if not installed and used in accordance with the instructions,may cause harmful
interference to radio communications. However,there is no guarantee that interference
will not occur in a particular installation.If this equipment does cause harmful
interference to radio or television reception,which can be determined by turning the
equipment off and on,the user is encouraged to try to correct the interference by one
or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.The device has
been evaluated to meet general RF exposure requirement.The device can be used in
portable exposure condition without restriction.
09.FCC Warning

15
IC Caution:
Radio Standards Specification RSS-Gen,issue 5-English:
This device contains licence-exempt transmitter(s)/receiver(s)that comply with
Innovation,Science and Economic Development Canada's licence-exempt RSS(s).
Operation issubject to the following two conditions:
This device may not cause interference.
This device must accept any interference,including interference that may cause
undesired operation of the device.
RF exposure statement:
The device has been evaluated to meet general RF exposure requirement.The device
can be used in portable exposure condition without restriction.
-French:
Cet appareil contientdes émetteurs /récepteurs exemptés de licence conformes aux
RSS (RSS)d'Innovation,Sciences et Développement économique Canada.
Le fonctionnement est soumisaux deux conditions suivantes:
Cet appareil ne doit pas causer d'interférences.
Cet appareil doit accepter toutes les interférences,ycompris celles susceptibles
deprovoquer un fonctionnement indésirable del'appareil.Déclaration d'exposition
RF:
Lappareil a été évalué pour répondre aux exigencesgénéralesd'exposition aux RF.
Lappareil peut être utilisé dans des conditions d'exposition portable sans restriction.
10.IC Warning

Warranty Card
□ Return
Name:
Address:
Purchase date:
Product order number:
Product Serial Number:
Reason description:
Failure condition:
Handling situation:
Maintenance ticket number:
Maintenance person:
Delivery date:
Delivery date:
Phone:Gender:
□ Exchange □ Repair
User Info
Product Info
Requirements
of return
/replacement
/repair
Maintenance
records

www.aiyin.com
Please kindly contact us if you have any touble or question when
installing and using.
Manufacturer: Xiamen AiYin Technology Co., Ltd.
at 10am to 10pm EST
Scan or upload this QR code using
the WhatsApp camera to add us
Scan the following QR code to talk with us
help.aiyin.com

