Ricoh C2504 - Connection refused when accessing Remote Panel Operation

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  • Rework
    Technician
    • Apr 2022
    • 10

    #1

    Ricoh C2504 - Connection refused when accessing Remote Panel Operation

    Hello, I'm having trouble with Remote Panel Operation app installed on Ricoh C2504.
    When I try to access through browser connection, says Connection Refused.
    I checked the network firewall and has nothing blocking it.
    The machine has the latest versions of firmware, Java, Smart Operation Panel and Apps.
    I checked twice the Remote Panel configs and its correctly enabled.
    I uploaded a video to show what is happening (and some machine configs): https://youtu.be/KLUCax_WBq0

    *I'm trying to install embedded software on this machine - NDD Print Android (It's like Papercut MF) and the machine is unable to connect to the printserver's embedded host. Seems like the machine has some internal firewall blocking the access.

    Any ideas? Thanks in advance.
  • dalewb74
    Service Manager

    Site Contributor
    1,000+ Posts
    • Feb 2018
    • 1107

    #2
    Re: Ricoh C2504 - Connection refused when accessing Remote Panel Operation

    i have never heard of any ricoh having a firewall. sounds like maybe a security setting is blocking access?

    Comment

    • slimslob
      Retired

      Site Contributor
      25,000+ Posts
      • May 2013
      • 36724

      #3
      Re: Ricoh C2504 - Connection refused when accessing Remote Panel Operation

      Try accessing it as HTTPS instead of HTTP. Some fool may have setup a device certificate incorrectly.

      Comment

      • ayeright
        Technician

        Site Contributor
        50+ Posts
        • Feb 2011
        • 74

        #4
        Re: Ricoh C2504 - Connection refused when accessing Remote Panel Operation

        Does this box have IP filtering?

        Comment

        • Rework
          Technician
          • Apr 2022
          • 10

          #5
          Re: Ricoh C2504 - Connection refused when accessing Remote Panel Operation

          Originally posted by dalewb74
          i have never heard of any ricoh having a firewall. sounds like maybe a security setting is blocking access?
          I didn't find any security setting that could cause this problem. What should I check?

          Originally posted by slimslob
          Try accessing it as HTTPS instead of HTTP. Some fool may have setup a device certificate incorrectly.
          Ok I'm gonna try.

          Originally posted by ayeright
          Does this box have IP filtering?
          When u say box, you meant the printer? If yes, so I already checked Access Control and it's disabled the IP filtering.

          Comment

          • dalewb74
            Service Manager

            Site Contributor
            1,000+ Posts
            • Feb 2018
            • 1107

            #6
            Re: Ricoh C2504 - Connection refused when accessing Remote Panel Operation

            i was referring to security on your network. but its possible someone setup something on the copier itself. but most of that i know of requires a user code. and you didn't say anything about needing a code.

            Comment

            • ayeright
              Technician

              Site Contributor
              50+ Posts
              • Feb 2011
              • 74

              #7
              Re: Ricoh C2504 - Connection refused when accessing Remote Panel Operation

              Originally posted by Rework
              When u say box, you meant the printer? If yes, so I already checked Access Control and it's disabled the IP filtering.
              Yes, slang in my country.

              Did you check the device certificate as Slimslob suggested? Your video at 50 seconds shows ciphertext as priority and that needs a valid device certificate - you could try changing that option to ciphertext/cleartext as a test.

              Comment

              • Rework
                Technician
                • Apr 2022
                • 10

                #8
                Re: Ricoh C2504 - Connection refused when accessing Remote Panel Operation

                Originally posted by slimslob
                Try accessing it as HTTPS instead of HTTP. Some fool may have setup a device certificate incorrectly.
                Hi, I tried both and no success.
                Originally posted by ayeright
                Yes, slang in my country.

                Did you check the device certificate as Slimslob suggested? Your video at 50 seconds shows ciphertext as priority and that needs a valid device certificate - you could try changing that option to ciphertext/cleartext as a test.
                I changed to cleartext and tested, no success either.

                Sorry for the late reply, this week is being very busy.

                Comment

                • davidmtupper
                  Trusted Tech

                  250+ Posts
                  • Jul 2021
                  • 326

                  #9
                  Re: Ricoh C2504 - Connection refused when accessing Remote Panel Operation

                  Not sure if it will help, but I had to use a different network port number on a newer model. Try xxx.xxx.xxx.xxx:53080 instead of just the IP address.

                  Comment

                  • Rework
                    Technician
                    • Apr 2022
                    • 10

                    #10
                    Re: Ricoh C2504 - Connection refused when accessing Remote Panel Operation

                    Originally posted by davidmtupper
                    Not sure if it will help, but I had to use a different network port number on a newer model. Try xxx.xxx.xxx.xxx:53080 instead of just the IP address.
                    Sorry but, still no success.
                    Imgur: The magic of the Internet

                    Comment

                    • Rework
                      Technician
                      • Apr 2022
                      • 10

                      #11
                      Re: Ricoh C2504 - Connection refused when accessing Remote Panel Operation

                      Originally posted by dalewb74
                      i have never heard of any ricoh having a firewall. sounds like maybe a security setting is blocking access?
                      Originally posted by slimslob
                      Try accessing it as HTTPS instead of HTTP. Some fool may have setup a device certificate incorrectly.
                      Originally posted by ayeright
                      Does this box have IP filtering?
                      Originally posted by davidmtupper
                      Not sure if it will help, but I had to use a different network port number on a newer model. Try xxx.xxx.xxx.xxx:53080 instead of just the IP address.
                      Hello mates! I'm here to tell how I solved both problems. I wiped the Android system (booting up with recovery mode), re-installed the Apps (from TSRC) and re-enabled Remote Operation.
                      It works like a charm now! Thanks everyone

                      Comment

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