EWXxx1391I

Explanation
The LANRES host-to-LAN print server received a
start printer command, but no printer definition with the specified
printer ID was found.

System action
Processing continues.

System programmer response
Check the message log for the host-to-LAN
print server for other error messages to determine why the printer
was not found. If no definition exists for the printer,it may be added
using the MODIFY operator command.

User response
Contact your system programmer.

Source
LANRES