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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / qr code is not printin...
Small and medium business | Business Central, N...
Answered

qr code is not printing on POS printer in LS Retail

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Posted on by KK-21020735-0 101
Hi friends,
 
I have very peculiar issue in my LS Central POS Print , The QR code is printing  in POS1 receipt.  It is not printing  in other rest of the POSes, it is not printing logo also, Sometimes takes 5 seconds to find reason. here I am struggling for two days.
 
done 
----
1. QR code is Printing in POS1
2. In printer card setup , qr code test print is success and printed test QR code
3. to check, this as option QR fonts also installed
4. Since same code , i do not doubt code
5. QR code is stored in table and we can see in page also.
 
Warm Regards
Kriss
Categories:
Dynamics 365 Business Central
I have the same question (0)
  • Suggested answer
    DAnny3211 Profile Picture
    DAnny3211 11,397 on at

    Hello,

    Thank you for sharing the details of your issue.

    Based on your description, the QR code prints successfully on POS1, but fails to print on other POS terminals, along with the logo. Given that the same code and printer setup are used, the issue likely lies in device-specific configuration or POS profile settings.

    Recommended Checks:

    1. POS Printer Configuration
      Verify that each POS terminal has the correct printer card setup. Even if the QR test print works individually, ensure that:

      • The printer model and driver are consistent across devices.
      • The character encoding and font settings support QR rendering.

    2. Hardware Profile Settings
      In LS Central, each POS may be linked to a different hardware profile. Check that:

      • The receipt layout includes the QR code and logo elements.
      • The font and image settings are enabled and consistent with POS1.

    3. Font Installation
      Confirm that the QR font is installed and registered correctly on all POS terminals. A missing or improperly installed font can prevent QR rendering.

    4. Receipt Layout and Codeunit Logic
      Review the receipt layout and any codeunit logic used to generate the QR code. Ensure that the logic does not rely on terminal-specific conditions or hardcoded paths.

    5. Network or Permissions
      If the QR code or logo is retrieved from a shared location or database, verify that all POS terminals have the necessary network access and permissions to retrieve and render the content.

    6. Printer Buffer or Timeout
      The delay you mentioned (5 seconds) may indicate a buffering or timeout issue. Try adjusting the printer timeout settings or simplifying the receipt layout to test performance.

    If this response helps resolve your issue, please consider marking it as accepted so it may assist others facing similar challenges.

    Best regards.

  • Verified answer
    Sohail Ahmed Profile Picture
    Sohail Ahmed 11,136 Super User 2025 Season 2 on at
    It sounds like the issue is environment-specific rather than code-related, since the QR code prints on POS1 but not others. Here are quick things to check:
     
    1. Printer setup differences – Ensure all POS terminals have identical printer configuration cards (Device, Receipt Profile, Character Set, etc.).
     
     
    2. Hardware Station drivers – Make sure the driver and firmware are consistent across all POS terminals.
     
     
    3. Fonts and permissions – Even if fonts are installed, verify all POS machines have access to the required QR font or graphics rendering settings.
     
     
    4. Receipt layout mapping – Confirm that the correct receipt layout is assigned to each terminal.
     
     
     
    If one POS prints fine, the code is working — the issue lies in printer or device configuration.
     
    ✅ Mark this as the verified answer if helpful.
     
     
  • Suggested answer
    YUN ZHU Profile Picture
    YUN ZHU 95,331 Super User 2025 Season 2 on at
    LS Retail is not a standard feature of BC, please contact the partner directly.
     
    Thanks.
    ZHU

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