Below you can find a quote from my reply in your support ticket #867943
on the same question:
In general, Reports are processed and rendered on the server. If the provided code snippet is executed on the server, the print operation will not happen on the client side. If the specified PrinterSettings are correct and sufficient to avoid popping any windows on the server, the report will be printed on the server.
If you need further help, please let us continue the discussion in your ticket, where we can freely exchange files.
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