Relative Humidity

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  • AB1984
    Technician
    • Oct 2012
    • 64
    #1

    Relative Humidity

    Could anyone tell me how relative humidity affects output quality (we're using a c8000, but I'm assuming it affects most, if not all, printers in a similar fashion).

    Also, if we've got low RH, how can we improve it.

    Any help, suggestions or information greatly appreciated
    Tags: None
    • Tonerbomb
      AutoMajical Resolutionist

      Site Contributor
      2,500+ Posts
      • Feb 2005
      • 2589
      #2
      Re: Relative Humidity

      it affects the charge ability of the drum, toner and paper, toner transfer ect. It is a big factor especially with production color. most production machines will have the ability to read the ambient humidity to compensate for the current levels as best it can. A humidifier can help for low conditions.
      Mystic Crystal Revelations

        Comment

        • habik
          Service Manager

          Site Contributor
          1,000+ Posts
          • Apr 2010
          • 2013
          #3
          Re: Relative Humidity

          Originally posted by AB1984
          Could anyone tell me how relative humidity affects output quality (we're using a c8000, but I'm assuming it affects most, if not all, printers in a similar fashion).

          Also, if we've got low RH, how can we improve it.

          Any help, suggestions or information greatly appreciated
          Yes!

          Relative humidity plays a huge factor.

          Machines in high humidity environment cause all sorts of toner issues.

          Paper stored in High humidity environment causes almost catastrophy, if you have 12 brand new machines in one place and paper in lets say different air conditioned place. Been there the worst 3 weeks of my life. And we could not take the damp paper back!
          .OK Google! ... will I need Berrocca this morning?
          Firmwares HERE

            Comment

            • blackcat4866
              Master Of The Obvious

              Site Contributor
              10,000+ Posts
              • Jul 2007
              • 22997
              #4
              Re: Relative Humidity

              There's some interesting reading here. This paper is dated 1927, yet the facts remain the same:
              Attached Files
              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

                • Kidaver
                  Ghoulscout

                  500+ Posts
                  • Apr 2011
                  • 912
                  #5
                  Re: Relative Humidity

                  I would assume the c8000 has the humidifier option just like the c7000 for very dry environments...basically a mister that adds moisture back into the paper after it's ran thru the fuser for curl...my company almost bought it for our c7000 until I pointed out that we live in E Texas and it would be a really useless accessory for us..
                  "In a cruel and evil world, being cynical can allow you to get some entertainment out of it."

                    Comment

                    • nmfaxman
                      Service Manager

                      Site Contributor
                      1,000+ Posts
                      • Feb 2008
                      • 1702
                      #6
                      Re: Relative Humidity

                      Starting my career in a 7000 Ft desert environment I found that it is not charge where there is such a problem.
                      The problem is in transfer. If the paper and environment is too dry, there will be more ambient voltage at transfer than anywhere else.

                      Copiers are designed in Japan where they have a sea level environment.
                      Desert high elevation they don't have a clue.

                      We used to put 1 meg resistors in line with transfer and sep output.
                      Solved a lot of problems.
                      Why do they call it common sense?

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

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