C458 copy/print blank

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  • FuserNoob
    Service Mgr, CISSP

    Site Contributor
    100+ Posts
    • Jul 2022
    • 137
    #1

    C458 copy/print blank

    Hi all,
    I have a client with a KM C458 who called in that it's only putting out blank pages for both print and copy.
    The first thing I did when I got to their office was print a demo page, which also came out blank.

    I tried updating the firmware and got a C-C155 error for my trouble. That's looks to be a finisher issue, which I assume is unrelated.

    I'll be back on-site Monday, and I'll disconnect the finisher and address that problem, but I'd like some help on diagnosing the blank prints issue.

    Thanks!!
    Tags: blank, c458, finisher, issue, print
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22927
      #2
      Re: C458 copy/print blank

      My suggestion is to look in service mode to see if any other errors are stored. I had one particular customer who thought is was beneficial to unplug and re-plug all the connectors that they could find (while live). I would get calls for the finisher error, but knew something else had happened (who knows what?) that started their unplugging. They blew the finisher board several times. =^..^=
      If you'd like a serious answer to your request:
      1) demonstrate that you've read the manual
      2) demonstrate that you made some attempt to fix it.
      3) if you're going to ask about jams include the jam code.
      4) if you're going to ask about an error code include the error code.
      5) You are the person onsite. Only you can make observations.

      blackcat: Master Of The Obvious =^..^=

        Comment

        • tsbservice
          Field tech

          Site Contributor
          5,000+ Posts
          • May 2007
          • 7909
          #3
          Re: C458 copy/print blank

          PH unit (laser) and its connection to main board is first thing I would check. Have you checked for image ITB or K drum stopping machine midcopy? On a side note - why firmware?!?
          A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
          Blessed are they who can laugh at themselves, for they shall never cease to be amused.

            Comment

            • FuserNoob
              Service Mgr, CISSP

              Site Contributor
              100+ Posts
              • Jul 2022
              • 137
              #4
              Re: C458 copy/print blank

              Originally posted by tsbservice
              PH unit (laser) and its connection to main board is first thing I would check. Have you checked for image ITB or K drum stopping machine midcopy? On a side note - why firmware?!?

                Comment

                • FuserNoob
                  Service Mgr, CISSP

                  Site Contributor
                  100+ Posts
                  • Jul 2022
                  • 137
                  #5
                  Re: C458 copy/print blank

                  OK, some feedback...

                  I went to the client first thing this morning and disconnected the finisher. After powering on the C458, which had been powered off all weekend, it started printing from the print queue and all images are fine.

                  I asked the client when this started happening and it was after a particular user sent a print job on Friday. Being powered off for an extended period seems to have cleared the problem.

                  The finisher will be coming back to the workshop to be hooked to a C258 and re-flashed.

                  Thanks for being available over the weekend!!!!

                    Comment

                    • tsbservice
                      Field tech

                      Site Contributor
                      5,000+ Posts
                      • May 2007
                      • 7909
                      #6
                      Re: C458 copy/print blank

                      Originally posted by FuserNoob
                      OK, some feedback...

                      I went to the client first thing this morning and disconnected the finisher. After powering on the C458, which had been powered off all weekend, it started printing from the print queue and all images are fine.

                      I asked the client when this started happening and it was after a particular user sent a print job on Friday. Being powered off for an extended period seems to have cleared the problem.

                      The finisher will be coming back to the workshop to be hooked to a C258 and re-flashed.

                      Thanks for being available over the weekend!!!!
                      He-he wish we all cure them like this but it really will make some techs unemployed if customers solve problems Thanks for providing feedback.
                      A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
                      Blessed are they who can laugh at themselves, for they shall never cease to be amused.

                        Comment

                        • FuserNoob
                          Service Mgr, CISSP

                          Site Contributor
                          100+ Posts
                          • Jul 2022
                          • 137
                          #7
                          Re: C458 copy/print blank

                          OK...one last update on the C-C155 error.

                          I got the finisher (FS-534 + SD511) back to the office, hooked it to a C258 and re-flashed the firmware (it took a LOOONG time and had to do it twice) then ran a test booklet - OK
                          Hooked it to a C458 an ran a test booklet - OK

                          It goes back to the customer tomorrow

                          note to self...DO NOT UPDATE FIRMWARE ON c458 and up, without verifying compatible accessories.

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