Oki C9500 problem of colors

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  • gauthier
    • Jul 2025
    #1

    Oki C9500 problem of colors

    My Oki C9500 has a big problem of colors superposition. There are about 0.15 inches between each colors (ex. a green line becomes a Cyan line near a yellow line to 0.15 inches one of the other).
    The printer was blocked, asking me to change the transfert belt, so I reseted the counter (using diagnostic mode>Engine level 4>counter set). This process has unblocked the printer but the problem of color offset appeared. I changed the transfert belt but the problem continue.
    - May be that I changed others parameters by mistake? How to adjust offset colors?
    - Is there an other problem clutch, motor?... (It also tends to do a lot of paper jam)
    Thank you for your lights!

    Dam'offset.jpg
    Tags: exposed
    • HELIO240
      Trusted Tech
      • Jan 2011
      • 137
      #2
      Re: Oki C9500 problem of colors

      Originally posted by gauthier
      My Oki C9500 has a big problem of colors superposition. There are about 0.15 inches between each colors (ex. a green line becomes a Cyan line near a yellow line to 0.15 inches one of the other).
      The printer was blocked, asking me to change the transfert belt, so I reseted the counter (using diagnostic mode>Engine level 4>counter set). This process has unblocked the printer but the problem of color offset appeared. I changed the transfert belt but the problem continue.
      - May be that I changed others parameters by mistake? How to adjust offset colors?
      - Is there an other problem clutch, motor?... (It also tends to do a lot of paper jam)
      Thank you for your lights!

      Dam'[ATTACH=CONFIG]15738[/ATTACH]
      hi, there are another mode of the adjust the register of color .
      Attached Files

        Comment

        • gauthier
          #3
          Re: Oki C9500 problem of colors

          Thank you Hellio for your idea, but this setting can not absorb so much difference.

            Comment

            • JustManuals
              Field Supervisor

              5,000+ Posts
              • Jan 2006
              • 9838
              #4
              Re: Oki C9500 problem of colors

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

              http://www.justmanuals.com

              Paul@justmanuals.com

                Comment

                • HELIO240
                  Trusted Tech
                  • Jan 2011
                  • 137
                  #5
                  Re: Oki C9500 problem of colors

                  Originally posted by gauthier
                  My Oki C9500 has a big problem of colors superposition. There are about 0.15 inches between each colors (ex. a green line becomes a Cyan line near a yellow line to 0.15 inches one of the other).
                  The printer was blocked, asking me to change the transfert belt, so I reseted the counter (using diagnostic mode>Engine level 4>counter set). This process has unblocked the printer but the problem of color offset appeared. I changed the transfert belt but the problem continue.
                  - May be that I changed others parameters by mistake? How to adjust offset colors?
                  - Is there an other problem clutch, motor?... (It also tends to do a lot of paper jam)
                  Thank you for your lights!

                  Dam'[ATTACH=CONFIG]15738[/ATTACH]
                  Do you have a manual for this model?If you wish I can send to you.

                    Comment

                    • blackcat4866
                      Master Of The Obvious

                      Site Contributor
                      10,000+ Posts
                      • Jul 2007
                      • 23008
                      #6
                      Re: Oki C9500 problem of colors

                      I know this is a crazy idea, but how about just replacing the worn out transfer belt, rather than fiddling with it for many labor hours?

                      Who is saving money when you spent 2 hours try to temporarily delay doing a 10 minute job?
                      =^..^=
                      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

                        • gauthier
                          #7
                          Re: Oki C9500 problem of colors

                          I have the SM and this problem is not exposed precisly.
                          Of course, I changed the transfert, belt but the problem continues... Damned !

                            Comment

                            • OkiDataSupportTeam
                              #8
                              Re: Oki C9500 problem of colors

                              [QUOTE=gauthier;289013]My Oki C9500 has a big problem of colors superposition. There are about 0.15 inches between each colors (ex. a green line becomes a Cyan line near a yellow line to 0.15 inches one of the other).
                              The printer was blocked, asking me to change the transfert belt, so I reseted the counter (using diagnostic mode>Engine level 4>counter set). This process has unblocked the printer but the problem of color offset appeared. I changed the transfert belt but the problem continue.
                              - May be that I changed others parameters by mistake? How to adjust offset colors?
                              - Is there an other problem clutch, motor?... (It also tends to do a lot of paper jam)
                              Thank you for your lights!

                              Dam'offset.jpg[/QUOTE: Gauthier, Sorry to hear about your problem. I'm from the OkiData North American Support Team and we'd like to help you. From what you've said we think it might be a defective drum, but we're not exactly sure so we'd like to talk to you. Please give us a call (800-654-3282) at your convenience and we'll get to the bottom of this with you. We're here 7x24 so try us any time. We'll also want samples so we can be sure we understand the problem. ]

                                Comment

                                • gauthier
                                  #9
                                  Re: Oki C9500 problem of colors

                                  Originally posted by OkiDataSupportTeam
                                  Gauthier, Sorry to hear about your problem. I'm from the OkiData North American Support Team and we'd like to help you. From what you've said we think it might be a defective drum, but we're not exactly sure so we'd like to talk to you. Please give us a call (800-654-3282) at your convenience and we'll get to the bottom of this with you. We're here 7x24 so try us any time. We'll also want samples so we can be sure we understand the problem. ]
                                  Pleased to read you, sorry but I can't call you, I'm in France. But I think too it might be the drums: each ID unit color has about 35000 images ! Besides the problem of color registration the sheets of paper are crumpled and the grey not regular. Is it the symptom of death drum ?
                                  I want to be sure before changing the ID unit, the cost of 4 drums is about 1/3 of the price of the new C841...

                                  Thank you for your interest in my problem, ' would like to have here a support team like you!

                                  color tuning.jpg

                                    Comment

                                    • Eric1968
                                      Service Manager

                                      1,000+ Posts
                                      • Jan 2009
                                      • 2458
                                      #10
                                      Re: Oki C9500 problem of colors

                                      Originally posted by gauthier
                                      Pleased to read you, sorry but I can't call you, I'm in France. But I think too it might be the drums: each ID unit color has about 35000 images ! Besides the problem of color registration the sheets of paper are crumpled and the grey not regular. Is it the symptom of death drum ?
                                      I want to be sure before changing the ID unit, the cost of 4 drums is about 1/3 of the price of the new C841...

                                      Thank you for your interest in my problem, ' would like to have here a support team like you!

                                      [ATTACH=CONFIG]15812[/ATTACH]
                                      Make sure the ID-sensors are clean. This could also be a defective black drum. Black is the reference for CMY. Had this a few weeks ago with an C9850. CMY were way off and replacing the belt didn't solve it. Replacing the black drum solved it.

                                        Comment

                                        • OkiDataSupportTeam
                                          #11
                                          Re: Oki C9500 problem of colors

                                          [QUOTE=gauthier;290340]Pleased to read you, sorry but I can't call you, I'm in France. But I think too it might be the drums: each ID unit color has about 35000 images ! Besides the problem of color registration the sheets of paper are crumpled and the grey not regular. Is it the symptom of death drum ?
                                          I want to be sure before changing the ID unit, the cost of 4 drums is about 1/3 of the price of the new C841...

                                          Thank you for your interest in my problem, ' would like to have here a support team like you!

                                          color tuning.jpg[/QUOTE: Gauthier, here is another alternative. I can ask my counterpart that handles Oki Support for Europe to have someone from his team contact you directly. All I need is your email or phone number and I would be glad to make the connection for you. Please let me know how I can help.]

                                            Comment

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