[cups.general] problems with order of print jobs....

Brandon S. Allbery KF8NH allbery at ece.cmu.edu
Tue Feb 10 14:40:22 PST 2009


On 2009 Feb 10, at 13:00, Bartlomiej Solarz-Niesluchowski wrote:
> 1. let user A send from Windows (Postscript) via SAMBA to cups 100  
> jobs (one job = one page) - e.g. it send one jobs per minute
> 2. at start order of jobs is correct first goes job1
> 3. printer is connected to cups via HP jetdirect IPP (e.g. HP4000N/ 
> 4050N/4100N)
> 4. when printer prints jobs 1 rest of jobs are stalled
> 5. but after printer prints job1 it take job that are currently send  
> via client (e.g. job4) instead takes first stalled job
> 6. whole effect: if you send 100 jobs order of printout is totally  
> messed - e.g. job1, job5, job2, job3, job7 etc..


Samba sends jobs in the order that the remote server closes the  
connection, which may well be different from the order in which the  
connections were opened because of Windows' opportunistic printing  
model (which is to say, it will connect and start sending data as soon  
as possible instead of waiting to receive the entire job from the  
original sender).  There is a way to configure Windows to wait for the  
entire job before sending it on:  open the Printers control panel,  
right-click on printer and select Properties, Advanced tab, click  
"Start printing after last page is spooled".  This should make the  
order the jobs are forwarded from Windows to SAMBA more consistent.

-- 
brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university    KF8NH


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