How To Fix PO427 - A different driver (&) is used in the header entry for the device type

SAP Error Message - Details

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 427

• Message text: A different driver (&) is used in the header entry for the device type

What causes this issue?

You have changed the printer driver that is used to print ABAP lists
with the selected format type. The system has established that another,
different printer driver for ABAP lists is set as the global setting
for the device type that you are currently processing.
All format types for printing ABAP lists should normally use the same
printer language (that is, the same printer driver).
Printer language,,SAPscript driver,,List driver
PCL-5 ,,HPL2 ,,HPL2
PostScript ,,POST ,,POST
PRESCRIBE ,,PRES ,,PRES

System Response

The system outputs an error message and requires you to reenter a
value.

How to fix this error?

Do not select a printer driver (empty entry, in this case the system
prints using the printer commands defined in the format type for the
device type) or choose the printer driver for ABAP lists as the global
setting for the device type.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PO427 - A different driver (&) is used in the header entry for the device type ?

  The SAP error message PO427 indicates that there is a mismatch in the driver being used for a specific device type in the header entry of a print request. This typically occurs when the print settings for a particular output device (like a printer) are not consistent with the driver settings defined in the system.
  Cause:
  
  Driver Mismatch: The error usually arises when the print request is configured to use a different driver than what is specified in the device type settings.
  Configuration Issues: There may be inconsistencies in the configuration of the output device in SAP, such as incorrect settings in the device type or the print queue.
  Changes in Device Type: If the device type has been changed or updated, and the print request still references the old driver, this can lead to the error.
  User Settings: Individual user settings or defaults may be overriding the system settings, leading to a mismatch.
  
  Solution:
  
  
  Check Device Type Configuration:
  
  Go to transaction code SPAD (Spool Administration).
  Locate the output device that is causing the error.
  Verify the device type and ensure that it matches the driver being used in the print request.
  
  
  
  Update Print Request:
  
  If the print request is using a specific driver, ensure that it is set to use the correct device type that matches the output device configuration.
  
  
  
  Review User Settings:
  
  Check if the user has any specific settings that might be overriding the default device type settings.
  Ensure that the user profile settings are consistent with the system-wide settings.
  
  
  
  Test Printing:
  
  After making the necessary changes, perform a test print to ensure that the issue is resolved.
  
  
  
  Consult Documentation:
  
  If the issue persists, refer to SAP documentation or consult with your SAP Basis team for further troubleshooting.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SPAD: Spool Administration
  SP01: Spool Request Overview
  
  
  Device Types: Device types define how the output is formatted for different printers. Ensure that the correct device type is assigned to the printer.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to printer configuration and driver mismatches.
  
  By following these steps, you should be able to resolve the PO427 error and ensure that your print requests are processed correctly.