https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/winsplp/nf-winsplp-initializeprintmonitor2
InitializePrintMonitor2 function (winsplp.h) - Windows drivers | Microsoft Learn
A print monitor's InitializePrintMonitor2 function initializes a print monitor for use with clustered print servers.
windows driversfunctionhmicrosoftlearn