DP-670 copy problem

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  • Kyo fan
    Trusted Tech

    250+ Posts
    • Dec 2013
    • 368
    #1

    DP-670 copy problem

    Got a KM-2560 that's driving me crazy lately. Print and glass copy are ok, but when I use DP, I get this black line no matter what i do. I've cleaned optics and slit glass in detail (with force applied) multiple times. Tried every scanner and dp adjustment from the diagnostics. Did auto dp adjustment with the chart. Tried with black line reduction from adjustment/maintenace but nothing helped. Also after few copies from dp, machine says to clean slit glass, though it's crystal clean. I think this is some DP-670 malfunction, cause i know how dirty slit glass issue looks and i can fix those lines instantly.

    Here's the scanned copy. Any input would be much appreciated.
    Attached Files
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    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22973
      #2
      Re: DP-670 copy problem

      Have you looked at the condition of the white reference? How about DP height? =^..^=
      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

        • Zackuth
          Trusted Tech

          250+ Posts
          • Aug 2009
          • 448
          #3
          Re: DP-670 copy problem

          Check the metal bar over the slit glass. If that gets dirty it might cause a line.
          If at first you don't succeed, redefine success

            Comment

            • Kyo fan
              Trusted Tech

              250+ Posts
              • Dec 2013
              • 368
              #4
              Re: DP-670 copy problem

              Thx for input guys. Forgot to mention that I've also tried dp height adjustment and didn't help. Will check the metal bar next, and white reference condition.

                Comment

                • blackcat4866
                  Master Of The Obvious

                  Site Contributor
                  10,000+ Posts
                  • Jul 2007
                  • 22973
                  #5
                  Re: DP-670 copy problem

                  If I understand Zackuth correctly, the white reference is the "metal bar". =^..^=
                  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

                    • Zackuth
                      Trusted Tech

                      250+ Posts
                      • Aug 2009
                      • 448
                      #6
                      Re: DP-670 copy problem

                      Originally posted by blackcat4866
                      If I understand Zackuth correctly, the white reference is the "metal bar". =^..^=
                      I'm talking about the metal bar on the DP which helps guide the paper over the slit glass.
                      If at first you don't succeed, redefine success

                        Comment

                        • blackcat4866
                          Master Of The Obvious

                          Site Contributor
                          10,000+ Posts
                          • Jul 2007
                          • 22973
                          #7
                          Re: DP-670 copy problem

                          The one that's painted white for the scanner to reference? #17 in his diagram? =^..^=

                          17 white reference.JPG
                          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

                            • Zackuth
                              Trusted Tech

                              250+ Posts
                              • Aug 2009
                              • 448
                              #8
                              Re: DP-670 copy problem

                              I've always seen it as ivory colored, but yeah. I just never connected it to a white reference before.
                              If at first you don't succeed, redefine success

                                Comment

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