Locking tray settings for HP 4350

That's the way the settings are currently.  The issue is if a user changes the properties of a document to 'letterhead' and assigns it to print to tray 3 and tray 3 actually has plain paper.  When the user prints the doc, the printer prompts the user to change the paper type in tray 3 to letterhead.  The user doesn't know what they're doing and just hits the OK button to bypass the error and in effect changes the paper type in that tray.  We don't want them to be able to interact with paper types on the printer at all.

Then take away Manage Documents permissions, give them just Print permissions.

Even if they have print only permissions they can still change what tray they print to and mess up the printer.  Again, I am talking about the printer itself changing the way that its paper trays are configured (given that the user ignores the printer's display panel).  I need the printer itself to not accept changes to the tray settings from the control panel on the printer except from an admin, or something like that.

Open a printer through TCP/IP (internet explorer, enter IP address of printer - you probably know how to do this, but you never know).  Under Settings, Security you can set a password to prevent unauthorized users from remotely configuring the printer or gaining access to functionality reserved for the network administrator.

If that doesn't work, I'm out of suggestions.

If you remove all users from permissions except for your administrator login, give that login full permissions, then add "Everyone" with Print only permissions, it should allow them to print, but not (permanently) change the tray assignments.  Don't know why that's not working for you.

I have the same problem. Michko - Edmond is talking about Manually changing the settings with the physical printer control panel. Not via remote. So, setting permissions on the printer in AD, on the server, or the printer has no effect to keep users from walking to the printer and changing the setting directly. The settings for security you mentioned are only used to protect remote administration. What we need to do is physically lock the control panel on the printer so that users can't inadvertantly change the tray assignment say from Letterhead to preprinted. Each tray must have a unique type assigned if you want it to only pull from the certain tray. Occasionally for some odd reason, users get prompted to "Use tray 2 preprinted instead?", maybe tray 3 was empty when they sent to it. When they hit the button to agree to the suggestion, it sometimes changes the type assigment for the tray. Then next time they print to tray 3, it goes to tray 2, etc because they have changed the tray type. So, we need to physically lock the control panel, or somehow force the printer to not allow them to change trays when one of them runs out of paper or something. In our case, we set up a print queue for each tray on our print server, and configure the tray types to be unique to each other. Then when the job gets sent, the job looks for the type of paper, and prints to that tray.

I just found this article.. I'm going to try it for a while and see if it makes the difference.
http://forums1.itrc.hp.com/service/forums/bizsupport/questionanswer.do?threadId=1157487&admit=-682735245+1189193551326+28353475

To summarize it,
In the driver(s) properties, take a look at the Advanced tab\Printing Defaults button, and at the General tab\Printing Preferences button. In both places, check the "Source is": drop-down list, set it to "Printer Auto Select" - Not "Automatically Select" nor a Specific Tray.

..And one more link that satisfied me..
http://forums1.itrc.hp.com/service/forums/bizsupport/questionanswer.do?threadId=1118721

Gives a good explaination of why to use "Printer Auto Select" instead of "Automatically Select" or Specific trays.

What riverhosp posted above is almost exactly what we're running into.  It's not a remote security issue, we're having problems with users physically standing right over the printer to get their document, and when it says something akin to "Use tray 2 preprinted instead?", rather than thinking about what they're doing they just hit yes, and it totally messes up the settings for other people utilizing that network printer.  

I'll definitely be trying some of the solutions in the article to see if that solves the printing issue.  Perhaps it will help across the organization and save us some time, I'll post back some of my findings after the new year.

Still having some of these same issues as described in the earlier question, though in some departments since the new year there have been fewer complaints.  I'll keep investigating.

What I endedup doing was locating the users who were changing the tray settings with the control panel buttons, and I removed their fingers.

going to accept riverhosp's suggestion as it's about the 'closest' thing that we can possibly do other than cutting off the user's fingers as they approach the printer.  =)

It doesn't completely fix our problem as I don't think there actually is a way to fix that without a change from HP in how they do their printer hardware/firmware but it's accurate enough.