How To Fix PO540 - Frontend printing not possible from background processing.

PO540 - Overview

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 540

• Message text: Frontend printing not possible from background processing.

What causes this issue?

A command to print immediately was sent to a frontend printer during
background processing. This command was not successful as there is no
frontend connection during background processing.

System Response

Request reset.

How to fix this error?

Call Transaction SP01 and "Restart frontend printing" to transfer all
frontend print jobs not yet printed to this terminal. If you receive
the message "Frontend printing currently processing", try "Restart
frontend printing" again a little while later.
If you want to use print immediately during background processing,
choose another printer instead of a frontend printer.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

PO540 - Details

• The SAP error message "PO540 Frontend printing not possible from background processing" typically occurs when there is an attempt to print a document (like a purchase order) from a background job, but the system is unable to send the print job to the frontend printer. This is often due to the nature of how background processing works in SAP.
  
  Cause:
  
  Frontend Printing Requirement: Frontend printing requires a user session to be active, as it needs to send the print job to a printer that is connected to the user's local machine. Background jobs do not have an active user session.
  Print Settings: The print settings may not be configured correctly for background jobs.
  Output Device Configuration: The output device may not be set up to allow frontend printing or may not be available in the background processing context.
  User Authorization: The user executing the background job may not have the necessary authorizations to print.
  
  
  Solution:
  
  
  Use Spool