Error in host spool system: Device unknown

You are performing a printout from the SAP system but the printer did not print anything. From the transaction code SP01, you notice below error message,

Solution

There are multiple possible root cause for this issue. You may check the following items,

  • Check if the physical printer is active/on.
  • If SAPSprint is installed, ensure the service and printer server is up and running.

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