Printer Port Keeps Changing

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  1. Crabman7975

    Crabman7975 New Member Bronze Member

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    On our server, we have multiple network printers installed via TCP/IP. There is 1 printer that keeps dropping its port and assigning itself to another active port. Now when someone prints to it, it's going to another printer that on that port.

    PRINTER1 - Using port 192.168.1.4

    PRINTER2 - Using port 192.168.1.5

    PRINTER1 will take itself off 192.168.1.4 and assign it to 192.168.1.5. When people try to print to it, the jobs go to PRINTER2.

    What would cause this?
  2. driver_ian

    driver_ian Security Team

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    Hi Crabman7975,
    I've marked your thread as Open to encourage a response from the Techs and our knowledgeable members.

    Thanks for your patience.
  3. samuria

    samuria Network Specialist Staff Member Moderator Elite Member

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    I assume both printer are set to get the ip via dhcp they need to use static or every time the lease is up it may get issued with a new ip
    madmatt2006 likes this.
  4. madmatt2006

    madmatt2006 Well-Known Member Elite Member PCHF $Donator

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    what he said..... set ip in printer.
  5. Crabman7975

    Crabman7975 New Member Bronze Member

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    They are set up via TCP/IP so, yes, they have static IP addresses (192.168.1.100, etc). We have all our printers set up this way. But this particular printer will drop its own port.

    I failed to mention that it used to be connected to a single user via parallel cable. The office wanted the printer on the network so I set it up using a static IP. I'm wondering if the printer is switching back and forth to a local port and TCP/IP port because of this.
  6. Hengis

    Hengis Proud PCHF'er since 2004 Tech Member Elite Member

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    ...don't see how it could really.

    Have you completely removed the printer, re-booted and re-installed it? Try also changing the IP address by creating a new static IP port.
  7. Crabman7975

    Crabman7975 New Member Bronze Member

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    The printer is in a remote location and it'll change it's port to one of our local ports (192.168.1.48). Today it changed to a Terminal Service port from one of the users. I'm heading out there today to take it off and reinstalling it.
  8. Hengis

    Hengis Proud PCHF'er since 2004 Tech Member Elite Member

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    Ok keep us updated.
  9. samuria

    samuria Network Specialist Staff Member Moderator Elite Member

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    If its a fixed ip it cant change by its self(unless its faulty) is someone installing software that may change it? How is it connected to the network now ie print server, pc etc
  10. Crabman7975

    Crabman7975 New Member Bronze Member

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    Ok, the printer has been removed, replaced, reinstalled, new drivers, etc. It's still doing the same thing. I really don't understand how. It's even moved to a new building across the street so I know it's not the network. It has to be the server. It's plugged into the network through a switch.

    The printer is installed on the server via TCP/IP by static IP (192.168.1.40) so the port is named IP_192.168.1.40. It will print fine until another user remotes in. The port changes to TS port or another printer's port. I have to manually change the port back.

    I seriously don't see why or how this is doing this. It's the only printer out of 10 network printers that's doing it. I'm stumped.
  11. Crabman7975

    Crabman7975 New Member Bronze Member

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    Ok, I finally figured out the issue. The previous IT guy that worked here wrote logon/logoff scripts for that particular printer since it originally used a non-IP based printer. So when we replaced it with a network printer, it would automatically assign it the old IP and port. Script removed, problem solved!

    Thanks to all those that helped :)
  12. DCiAdmin

    DCiAdmin Here to Help!

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    Nice troubleshooting, Crabman :) I'll get this marked as SOLVED for you, then :) See you around again!

    This thread is now marked as Solved and has been closed. If the problem re-occurs, please start a new thread and if it has a bearing on your original thread then please state this and a member of staff will supply the link to the original post.
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