First created in 2011 for RepRap and Ultimaker by Erik van der Zalm et. al., today Marlin drives most of the world's 3D printers. Reliable and precise, Marlin delivers outstanding print quality while keeping you in full control of the process.
As an Open Source project hosted on Github, Marlin is owned and maintained by the maker community. Learn how you can contribute!
Download Marlin 2.1.2.7
: Users often see this error even if they don't use a physical smart card. Some modern laptops include internal components (like WWAN 5G cards) that Windows mistakenly identifies as smart card readers. When these aren't in use, they trigger configuration errors in the background.
Download the approved middleware software package (such as ActivClient, Charismathics, or SafeNet) from their official portal. Install the software using administrative privileges. Reboot your computer after the installation completes. 4. Repair the Smart Card Device Enumerator
The error message typically occurs when Windows fails to initialize the device driver or the Smart Card service is not running correctly. Core Fixes for Configuration Issues Update or Reinstall Drivers : the smart card reader is not configured properly install
In Windows, this error often appears with a specific code, such as "Code 31," which states: "This device is not working properly because Windows cannot load the drivers required for this device" . The following solutions target the most common causes of this problem.
Before diving into the fixes, it helps to understand the root cause. The error can be triggered by several factors: : Users often see this error even if
If none of the above solutions work, feel free to share more details about your issue, including:
A well-known guide often cited is Microsoft’s own: (Microsoft KB / Support article). You can search the exact title above. Download the approved middleware software package (such as
Double-click and set its value data to 2 (which represents Automatic startup).
The error stems from one or more of the following issues:
In rare cases, the Smart Card Service fails to start because its dependencies are misconfigured.