How to find the printer's serical number (SN)?

How to find the printer's serical number (SN)?

Info
There are three ways to access the SN of the printer:  Connecting to "PrintMaster" App/Printing a self-test page/Scanning the QR code on the printer/Checking the printer body (some models)

Option 1: Using PrintMaster 

1. Connect Your Printer: Make sure your printer is connected to PrintMaster  via Bluetooth  
2. Access the Details Page: Navigate to the details page of your connected printer. Here, you will find the serial number listed among other printer information.  


 Option 2: Confirmation by printer function

For Printers with a Screen:  

1. Power On the Printer: Ensure your printer is turned on.  
2. Install the paper roll: Install the paper roll into the printer, leaving a little distance for it to be detected properly.
3. Confirm SN: If the paper is detected, the screen will display SN


For Printers without a Screen:  

1. Power On the Printer: Ensure your printer is turned on.  
2. Double-Click the Power Button: Quickly press the power button twice. This action will trigger the printer to print a self-test page, which will display the serial number.  
Operation video: 



Option3: Scanning the QR code on the printer to access SN

1. Locate the scannable QR code on the device and using your phone to scan it. (Note: the image below is just an example.)

2. You will be redirected to a webpage as shown below. Find the serial number (SN) that starts with a "Q", take a screenshot of this page or copy it and send to us.


Option 4: Checking the Printer's Body 

For some printer models, the serial number is physically labeled on the printer's body.   It is usually a keypad that does not support Bluetooth connectivity, For example, H1100, E1000Pro, D1000, etc.
1. Inspect the Printer: Look for a sticker or label that may be located on the back, bottom, or side of the printer.  
2. Read the Serial Number: The SN is usually printed in a clear format, often preceded by the letters "Q"




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