B1260dn / Incomplete Session by time out

I have this error not all the time by printing with google cloud print

printer is B1260dn with lastest firmware A03

Here the message:

pwg error - incomplete session by time out 
position:0x57b (1405) 
System:h6fw_5.61/os_hook 
line:1434 
version:spl 5.61 06-13-2012 

Please help me