Event id 6161 print

Event Description:
The document Publication1[1].pub owned by user failed to print on printer Auto HP officejet 5600 series on sys1. Data Type: NT EMF 1.008. Size of the spool file in bytes: 65536. Number of bytes printed: 0. Total number of pages in the document: 1. Number of pages printed: 2.
'Win32 error code returned by the print processor: 64(0x40)'.
source: print
event id: 6161
client machine: computer name
File Name: xpsp2res.dll
File Version: 5.1.2600.2180


Solution:
Diagnose for the following conditions,

1. printer is not reachable on the network
2. windows cannot allocate sufficient memory.
3. invalid or incomplete data received by the print spooler
4. driver upgrade failed
5. bad printer device driver.

For more refer, 
http://social.technet.microsoft.com/wiki/contents/articles/windows-server-troubleshoot-event-id-6161-print-spooler-status.aspx.