You should have two input queues which both bounce jobs to a single output queue.
You should _never_ have more than one queue actually sending jobs to a printer.
-Rick
Chang Kai Cheong wrote:
Hi all,
Our organisation plans to roll out duplex printing to users using existing
printers (HP8100). I have set up another set of print queues for duplex
printing so that we can better keep the statistics and work out some
schemes to encourage users to use duplex printing, i.e., one physical
printer shared by two print queues (one for simplex printing, one for
duplex printing).
On testing the environment, we encountered a print accounting problem. Our print accounting scripts utilize ifhp to get the page counter from the
printer and work well most of the time. On encountering problem with
getting the print job pagecount, our script will save a copy of current
print status (username and counter) to a file and will bill back the user
on next print job. This works pretty well with a printer and a simplex
queue as the page counter should not be altered until the next print job
is printing. For two print queues sharing a printer, this would cause
problem as the print counter will keep on changing with print jobs on
counterpart queue (simple/duplex).
Is there anyone implemented similar configuration without problem (2
queues sharing a printer accounting problem) or is there elegant way to
tell whether a print job is duplex if using a single print queue for both simplex and duplex?
Thanks for your help. KC Chang
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