Can't enter Service Mode on Canon C5051 with print server attached

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  • mihailelea
    Technician

    Site Contributor
    • Jan 2018
    • 44
    #1

    Can't enter Service Mode on Canon C5051 with print server attached

    Hi,
    a client of mine bought a second hand Canon C5051 with a print server attached to it. It all worked well until he tried to change the toner, and the toner door didn't open. Now the copier shows error E000025-04c0. This error is occurring if the machine didn't recognize the signal for open/ close the Black inner door.
    Anyway, I had this situation before, and I know that at some point I have to enter Service Mode to clear the error.
    Here comes the surprise: when I press *28* nothing happens. It doesn't enter Service Mode.
    I guess it's because of the attached print server, but I'm not sure.
    Do you have a suggestion on how could I enter Service Mode in this situation?
    Or, what do I have to do to get rid of the attached print server (my client doesn't need it) and use the copier without it? I've tried to unplug the print server but the copier doesn't work without it. I guess I have to uninstall it from somewhere, but I have no idea.
    Thanks!
    Tags: attached, mode, print, server, service
    • khaled_abosere3@yahoo.com
      Head technical support

      100+ Posts
      • Mar 2012
      • 170
      #2
      Re: Can't enter Service Mode on Canon C5051 with print server attached

      Have you tried to use *4&9*

      Sent from my CPH2239 using Tapatalk

        Comment

        • copier tech
          Field Supervisor

          5,000+ Posts
          • Jan 2014
          • 8132
          #3
          Re: Can't enter Service Mode on Canon C5051 with print server attached

          Originally posted by mihailelea
          Hi,
          a client of mine bought a second hand Canon C5051 with a print server attached to it. It all worked well until he tried to change the toner, and the toner door didn't open. Now the copier shows error E000025-04c0. This error is occurring if the machine didn't recognize the signal for open/ close the Black inner door.
          Anyway, I had this situation before, and I know that at some point I have to enter Service Mode to clear the error.
          Here comes the surprise: when I press *28* nothing happens. It doesn't enter Service Mode.
          I guess it's because of the attached print server, but I'm not sure.
          Do you have a suggestion on how could I enter Service Mode in this situation?
          Or, what do I have to do to get rid of the attached print server (my client doesn't need it) and use the copier without it? I've tried to unplug the print server but the copier doesn't work without it. I guess I have to uninstall it from somewhere, but I have no idea.
          Thanks!

          Use the tool in the back of the machine to open the toner door then replace the toner.
          Let us eat, drink, and be merry, because tomorrow we may die!

          For all your firmware & service manual needs please visit us at:

          www.copierfirmware.co.uk - www.printerfirmware.co.uk
          ​

            Comment

            • khaled_abosere3@yahoo.com
              Head technical support

              100+ Posts
              • Mar 2012
              • 170
              #4
              Re: Can't enter Service Mode on Canon C5051 with print server attached

              Originally posted by copier tech
              Use the tool in the back of the machine to open the toner door then replace the toner.
              But he needs to clear error
              And wouldn't done without enter service mode

              Sent from my CPH2239 using Tapatalk

                Comment

                • daprex
                  Technician

                  50+ Posts
                  • Sep 2009
                  • 54
                  #5
                  Re: Can't enter Service Mode on Canon C5051 with print server attached

                  also * is the head symbol not the * at the keypad

                    Comment

                    • mihailelea
                      Technician

                      Site Contributor
                      • Jan 2018
                      • 44
                      #6
                      Re: Can't enter Service Mode on Canon C5051 with print server attached

                      Originally posted by khaled_abosere3@yahoo.com
                      Have you tried to use *4&9*

                      Sent from my CPH2239 using Tapatalk

                      Thank you so much! It works with *4&9*
                      I was able to clear the error.
                      Thanks again!

                        Comment

                        • mihailelea
                          Technician

                          Site Contributor
                          • Jan 2018
                          • 44
                          #7
                          Re: Can't enter Service Mode on Canon C5051 with print server attached

                          Originally posted by copier tech
                          Use the tool in the back of the machine to open the toner door then replace the toner.
                          Yes, I did that, but once the error appears you have to clear it from service mode. It won't go away by its self even if you replace the toner.
                          I was able to enter service mode with *4&9* as khaled_abosere3 suggested and I was able to clear the error.
                          Thanks for the suggestion!

                            Comment

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