Kyocera TaskAlfa 6551ci Cyan Low densit

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  • buzz
    Trusted Tech

    Site Contributor
    250+ Posts
    • Aug 2013
    • 287
    #1

    [CQ] Kyocera TaskAlfa 6551ci Cyan Low densit

    Cyan U089 Gray sample shows like a white clouding, white striping effect, see attached, looks like low cyan density. Did a couple of Dev refresh, but quality did not restore all the way. Also performed Toner curve, Drum refresh, Calibration, and registrations. All other colors including black are fine. Firmware is up to date.

    Meter B:900; C:70,000.

    Changed Cyan Dev and Cyan Drum unit. Seemed ok for a while, but cyan quality dropping out again. Attached is the Maintenance Report.

    Also, problem 2, I did not determine if this is related: getting this very intermittent pink marks on a blue background (looks like cyan missing or cyan shifting thus showing the pink underneath) super weird, see sample.

    Checked transfer for physical abnormalities (primary transfer roller for cyan spring load action, ok), toner motor op ok.

    Any feedback would be great.

    thanks!

    ps wall voltages are fine stand by and copy cycle, neut to gnd .5 to 1V, not too bad. Both plugs in separate outlets too.
    Attached Files
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    • blsquires
      Trusted Tech

      Site Contributor
      250+ Posts
      • Nov 2008
      • 342
      #2
      Re: Kyocera TaskAlfa 6551ci Cyan Low densit

      we had the same problem also with cyan, changed drum and dev unit still the same so we had a close look at the transfer belt.
      on the belt toward the back of the machine there are four metal plates that connect with the drum and dev units each plate is connected by a spring and the spring under the cyan plate had come off.
      so the plate lost contact .fitted it back and no more problems .

        Comment

        • buzz
          Trusted Tech

          Site Contributor
          250+ Posts
          • Aug 2013
          • 287
          #3
          Re: Kyocera TaskAlfa 6551ci Cyan Low densit

          Ok, I'll check the transfer belt unit, thanks!

            Comment

            • blackcat4866
              Master Of The Obvious

              Site Contributor
              10,000+ Posts
              • Jul 2007
              • 22927
              #4
              Re: Kyocera TaskAlfa 6551ci Cyan Low densit

              The color on your page is ~:
              Cyan: 93%
              Magenta: 30%
              Yellow: 0%
              Black: 58%

              So the pink mark is just the absence of cyan in that area. I don't know if that's any help...
              =^..^=
              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

                • NeoMatrix
                  Senior Tech.

                  2,500+ Posts
                  • Nov 2010
                  • 3514
                  #5
                  Re: Kyocera TaskAlfa 6551ci Cyan Low densit

                  I've never worked on this model machine.

                  Like blsquires, I'm leaning toward transfer belt issue.

                  I noticed there was a couple of "Service Log" codes according to your attached files:
                  Service Call Log 2016/06/14

                  C7200 0 1
                  C7242 0 1
                  Cf245 0 1

                  Does the CF245 related to firmware issue on this model machine ?
                  I don't have a service manual to confirm it.


                  BTW: You've post detail information to the forum, good job.
                  Inauguration to the "AI cancel-culture" fraternity 1997...
                  •••••• •••[§]• |N | € | o | M | Δ | t | π | ¡ | x | •[§]••• ••••••

                    Comment

                    • blackcat4866
                      Master Of The Obvious

                      Site Contributor
                      10,000+ Posts
                      • Jul 2007
                      • 22927
                      #6
                      Re: Kyocera TaskAlfa 6551ci Cyan Low densit

                      Originally posted by NeoMatrix
                      ...

                      Does the CF245 related to firmware issue on this model machine ?
                      I don't have a service manual to confirm it.
                      ...
                      The CF245 is a print data error, relatively common. You can get them from certain webpages, wrong print drivers, or non-print data hitting the IP. It's not uncommon to see a few on any maintenance report.
                      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

                        • buzz
                          Trusted Tech

                          Site Contributor
                          250+ Posts
                          • Aug 2013
                          • 287
                          #7
                          Re: Kyocera TaskAlfa 6551ci Cyan Low densit

                          blackcat: thanks for your input, it does confirm my observation that its the absence of cyan showing the pink mark. Leads me to believe there is a transfer issue with that "pink mark" problem.

                          blsquires: I just got out of the customer's office and checked the transfer belt rear contacts, specifically the cyan plate with spring. I didnt rip it apart to view the whole contact plate assy, but only re-engaged the spring for better tension. Didnt look too bad. Maybe there might be a poor contact within the xfer belt unit.

                          I'll post results when xfer unit is replaced.

                          Thank you so much for everyone's input, so much appreciated, this forum is Godsend.

                            Comment

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