You can use a file called LOG00. This is a psysical file, which contains
the description of fields. If the information in this is not quite enough,
you can link to the file SNQ00, where field LGSQTK (lies within LOG00) has
an connection with SQSQTK (lies within SNQ00). Thereby it is possible to
use an OS/400 query, where these two files can be used together, and where
similar fields are LGSQTK & SQSQTK

SNQ00 have a status field (SQSTS) where the following values have an
description:

     Send queue status codes (SNQ00)                  

     Code Description                                          
      110   Receiving                                            
      120   Print Queue (Received)                               
      130   Printing                                             
      150   Spooling - number missing                            
      160   Spooling - Number OK                                 
      170   Dialing                                              
      180   Sending                                              
      200   Pre queue (Ready - number OK, waiting for more pages) 
      300   Send queue (Ready - number OK)                       
      400   Held                                                 
      510   Receive Error                                        
      520   Reject in reception                                  
      530   Send Error                                           
      540   Ready in queue - number missing                      
      600   Received and printed                                 
      700   Sent OK                                              
      999   Deleted