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  • rich2764
    • Mar 2025
    #1

    Quiz Question

    Hyperthetically assuming no error codes happen, if an exposure lamp goes dim or blows on a digital copier would you get light or dark copies?

    One assumes you would get light copies? If the optics go dirty on a digital then you normally get lighter copies, but my troubleshooting manual for a kyocera 2050 says i would have black copies if the lamp failed, which I am questioning.

    Does anyone know the correct answer?
    Tags: ccd, dim, dirty, exposure, off, question, slower, tested
    • nmfaxman
      Service Manager

      Site Contributor
      1,000+ Posts
      • Feb 2008
      • 1705
      #2
      Tested this theory at a Toshiba class.
      The answer is blank copies.
      We turned off the error codes and unplugged the lamp.
      Why do they call it common sense?

      If it were common, wouldn't everyone have it?

        Comment

        • rich2764
          • Mar 2025
          #3
          yes that is what I always thought too. many thanks

            Comment

            • 10871087
              Service Manager

              1,000+ Posts
              • Jan 2005
              • 1144
              #4
              Originally posted by rich2764
              Hyperthetically assuming no error codes happen...
              Blank pages because the CCD or CIS would calibrate to the white patch which will not be illuminated.

              But you would get a code


              What do you get if you lay a mirror on the Glass? Why?

                Comment

                • blackcat4866
                  Master Of The Obvious

                  Site Contributor
                  10,000+ Posts
                  • Jul 2007
                  • 22858
                  #5
                  It depends entirely on the particular model of copier. Copiers with potential control systems if the lamp goes out after warmup will make (1) black copy, then the rest will be blank. This includes most of the segment 4 & faster copiers.

                  Segment 3 & slower typically do not use potential control, and will produce at least (1) black copy, possibly more, then error out.

                  An interesting bit of trivia is the lamp does get dimmer with age, but on the last few copies before it blows the lamp will be very bright, giving light copies on the last couple before it blows. =^..^=
                  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

                    • selig67
                      Trusted Tech

                      100+ Posts
                      • May 2008
                      • 156
                      #6
                      Hyperthetically??

                      lol

                        Comment

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