I'm not sure if this KB is valid for your setup, but it states, in part:
Although TCP/IP can carry the [bidirectional] signal,
the Line Printer Remote (LPR)
specification has no facility for this
signal. Therefore, the Windows NT
TCP/IP protocol does not support
network bi-directional printing.
and:
One of the Windows NT Print Monitors,
HPMON, supports bi-directional
printing over the network. HPMON uses
one of its features called "Advanced
Job Status" for detecting a response
signal sent from the print device.
This feature is disabled by default.
...so it looks like there should be some setting in the driver or HP software for "advanced job status," so I would look for that.
Also, in this thread (though another printer), it indicates (last post) that bi-directional support might not work unless you install the full HP software (not just the drivers).
Microsoft added functionality to deploy print queues to user profiles via Group Policy in Windows Server 2003 R2: http://technet.microsoft.com/en-us/library/cc722179(WS.10).aspx (I don't much care for it and use a script of my own creation to do a similiar thing, albeit based on the location of "printer objects" in the AD relative to users or computers... perhaps someday I'll publish it somewhere, if I ever get around to cleaning it up.)
The Microsoft group-policy contrivance that I mentioned above, though, relies on the "point and print" functionality exposed by creating a shared print queue on a server and directing clients to that queue. Since that's what you're saying is the crux of your problem, it doesn't help you much.
Personally, I prefer queued printers over having clients print directly to the on-printer LPR / direct-print servers. I'd cite the following advantages:
- Ability to move the printer on the network w/o affecting the clients
- Ability to place printers into a VLAN and control access to them via ACLs and queue permissions on print server computers
- Ability to use print accounting software on the print server computers to meter printer use
It has been my experience that some embedded print server devices get flaky when a large number of clients are talking to them directly. I can't cite any specific manufacturers or models, as the experience was so long ago as to be fuzzy in my mind. (In fact, it was so long ago that modern print server devices may have solved those problems... I just don't chance it anymore because, once bitten by a problem, I am nearly forever wary of the situation that caused the problem to begin with.)
Centrally queued printers, when combined with something like Microsoft's Group Policy-based printer deployment tool, makes add / moves / changes of printers extremely painless.
It surprises me a little bit that you're seeing performance problem caused by hosting print queues on a server computer. I've got one particular file server computer (a vintage 2004 machine) that hosts print queues for roughly 30 printers and user home directories for 400 - 800 logged-on users at any given time, and the box is regularly able to fill its gigabit Ethernet pipe with traffic w/o CPU or memory bottleneck. Perhaps you have some overly inefficient printer drivers, a really high printing volume, or a severely under-powered server hosting the queues.
If you really want to setup each client to send jobs directly to each printer you're going to have to script the installation. You'll get no help with loading drivers from "point and print", either. The "PrintUI.dll" functionality in Windows will get you started, but it won't create "Standard TCP/IP Ports" for you, so you're going to have to script that, too.
Best Answer
As mentioned in the comments, check the SNMP setting. In Windows 7..
In my case, I changed the SNMP community. In your case, just try disabling it and see if that helps.