Last night Microsoft made a new version of update KB5001649 available through Windows Update.
After releasing update KB5001649 to fix the well-known out-of-band printer error, users still complained about the same issue after installing update KB5001649. Microsoft decided to release an updated version of KB5001649 (Revision 1.2) through Windows Update to fix the still present out-of-band printer error.
The update is not yet available in the update catalog, only through Windows Update. This applies to all Windows 10 versions.
Essentially, your system will receive the update through Windows Update. If you don’t want to wait, and you are currently using Windows 10 20H2 or 2004, you can download the new update here.