Microsoft has released out-of-band emergency updates for Windows 7, 8.1, Windows Server 2008, and Windows Server 2012 to fix printer issues arising from the March 2021 Patch Tuesday updates. These updates resolve the following issues when printing: Elements of the document might print as solid black/color boxes or might be missing, including barcodes, QR codes, and graphics elements, such as logos. Table lines might also be missing and other alignment or formatting issues might also present. The updates are currently available from the Microsoft Update Catalog at the following links:
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-releases-printer-fix-for-older-windows-versions/