Hi there,
The printers remains in the legacy servers and you need to manually remove them. There are also some tools which might help you in getting this quicker
The process of migrating the printers over is usually no more than 30 seconds a queue and it’ll keep going one by one until they are all copied over and ready for use
Migrate Print and Document Services to Windows Server 2012
https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/jj134150(v=ws.11)?redirectedfrom=MSDN
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