Quality issue T/A 400ci @588K prints

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  • brecht2
    Technician

    50+ Posts
    • Feb 2012
    • 71
    #1

    Quality issue T/A 400ci @588K prints

    See attached some examples of test sheets... (U089)
    In middle of page little smeared dots in red/blue and yellow, not in black ....

    I changed Developers/Drums/transfer belt and 2nd transfer roller.
    Transfer belt contacts has been cleaned ...
    2 pwb's who's are connected with drums and developers has also been changed!
    Laser unit and HVU has not been changed...
    Anybody??
    Attached Files
    Tags: None
    • Eric1968
      Service Manager

      1,000+ Posts
      • Jan 2009
      • 2459
      #2
      Re: Quality issue T/A 400ci @588K prints

      Is the firmware up-to-date? Did you do all adjustments, like U119, U464, U410, U412?

        Comment

        • JustManuals
          Field Supervisor

          5,000+ Posts
          • Jan 2006
          • 9919
          #3
          Re: Quality issue T/A 400ci @588K prints

          This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from:


          Just Manuals, The Internet's largest selection of manuals ~ Instant Downloads


          Paul@justmanuals.com

            Comment

            • blackcat4866
              Master Of The Obvious

              Site Contributor
              10,000+ Posts
              • Jul 2007
              • 22850
              #4
              Re: Quality issue T/A 400ci @588K prints

              It looks as though the bottom of the transfer belt is dragging on something ... possibly the filters on one or more of the developing units are not inserted completely.

              The simplest way to diagnose this is to remove the transfer belt assembly and see where the piles of toner are, and there will be piles of toner.
              =^..^=
              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

                • Tonerkiller
                  Senior Tech

                  500+ Posts
                  • Oct 2012
                  • 665
                  #5
                  Re: Quality issue T/A 400ci @588K prints

                  I would say the filter on the black dev unit was not pushed all the way down. Seen it before.

                    Comment

                    • brecht2
                      Technician

                      50+ Posts
                      • Feb 2012
                      • 71
                      #6
                      Re: Quality issue T/A 400ci @588K prints

                      F/W is the last one from january 2012.
                      Adjustments has al been done in Service mode.
                      It seems the problem starts in black...
                      When i go back i'll check the filter in the black dev.
                      All toner residues on the dev/drum unit has been vacuumed completely.
                      Indeed, it seems to be the transfer belt is touching someting.....

                        Comment

                        • blackandwhite
                          Technician

                          50+ Posts
                          • Aug 2012
                          • 67
                          #7
                          Re: Quality issue T/A 400ci @588K prints

                          hai... we faced the same problem.... can you see this thread

                          http://www.copytechnet.com/forums/kyocera-mita-copystar/73945-image-quality-problem-taskalfa-300ci.html


                          good luck....

                            Comment

                            • brecht2
                              Technician

                              50+ Posts
                              • Feb 2012
                              • 71
                              #8
                              Re: Quality issue T/A 400ci @588K prints

                              Hello Blackcat, Tonerkiller,...

                              I was today again to this client and i saw the filters in de black dev were not good fitted!!
                              The plastic unit where the 3 filters are inside was in a bow! (see picture attached)
                              Anyway, thanks for the tip!!! IMG_20130410_140751.jpg

                                Comment

                                • blackcat4866
                                  Master Of The Obvious

                                  Site Contributor
                                  10,000+ Posts
                                  • Jul 2007
                                  • 22850
                                  #9
                                  Re: Quality issue T/A 400ci @588K prints

                                  Congratulations. =^..^=
                                  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

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