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  1. #1
    Technician temas's Avatar
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    Taskalfa 2551 colour shift issue

    Please help...... I have this TA2551ci at customer's site, it jumps color as shown in the attached. I performed 464 on it and color became normal.

    After two weeks customer called again that issue re-occured. please help as this is driving me nuts!.
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  2. #2
    Service Manager 5,000+ Posts
    Taskalfa 2551 colour shift issue

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    Re: Taskalfa 2551 colour shift issue

    Quote Originally Posted by temas View Post
    Please help...... I have this TA2551ci at customer's site, it jumps color as shown in the attached. I performed 464 on it and color became normal.

    After two weeks customer called again that issue re-occured. please help as this is driving me nuts!.
    What firmware version is the machine on? & the transfer unit life count?
    Let us eat, drink, and be merry, because tomorrow we may die!

    For all your firmware & service manual needs please visit us at:

    www.copierfirmware.co.uk - www.printerfirmware.co.uk




  3. #3
    Technician temas's Avatar
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    Re: Taskalfa 2551 colour shift issue

    2016.03.08. i will ask a site engineer to get me the maintenance report to get the transfer belt count.

    what else should i be looking at?

    regards

  4. #4
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    Taskalfa 2551 colour shift issue

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    Re: Taskalfa 2551 colour shift issue

    Quote Originally Posted by temas View Post
    2016.03.08. i will ask a site engineer to get me the maintenance report to get the transfer belt count.

    what else should i be looking at?

    regards
    Your firmware is about 2 years out of date, i’d start by updating that.

    If at your last visit you cleaned the patch sensors i’d replace the transfer unit.
    Let us eat, drink, and be merry, because tomorrow we may die!

    For all your firmware & service manual needs please visit us at:

    www.copierfirmware.co.uk - www.printerfirmware.co.uk




  5. #5
    Field Supervisor 500+ Posts Geo's Avatar
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    Re: Taskalfa 2551 colour shift issue

    Quote Originally Posted by temas View Post
    Please help...... I have this TA2551ci at customer's site, it jumps color as shown in the attached. I performed 464 on it and color became normal.

    After two weeks customer called again that issue re-occured. please help as this is driving me nuts!.
    If I remember 464 has little to do with color registration....so did you perform color registration?

  6. #6
    Owner/Service Manager 1,000+ Posts
    Taskalfa 2551 colour shift issue

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    Re: Taskalfa 2551 colour shift issue

    On all Kyocera machines, if the density isn't correct for any of the colors, it will throw the auto registration timing out. This could be caused by any number of things, but make sure each color is nice & dark.
    Hope that helps !
    -Tony


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  7. #7
    Technician temas's Avatar
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    Re: Taskalfa 2551 colour shift issue

    Quote Originally Posted by tmaged View Post
    On all Kyocera machines, if the density isn't correct for any of the colors, it will throw the auto registration timing out. This could be caused by any number of things, but make sure each color is nice & dark.
    can you please give a pointer to those things to look out for?

  8. #8
    Technician temas's Avatar
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    Re: Taskalfa 2551 colour shift issue

    Quote Originally Posted by Geo View Post
    If I remember 464 has little to do with color registration....so did you perform color registration?
    Registration manual or Auto?
    Auto wont work. setting manual registration is hell of a task
    464 has calibration option related to registration. this resolved the issue the 1st time. or could it be a gimmick?

  9. #9
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    Re: Taskalfa 2551 colour shift issue

    read this bulletin
    Attached Files Attached Files

  10. #10
    Owner/Service Manager 1,000+ Posts
    Taskalfa 2551 colour shift issue

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    Re: Taskalfa 2551 colour shift issue

    Quote Originally Posted by temas View Post
    can you please give a pointer to those things to look out for?
    I always start with the 089 prints. Make sure there are no light areas and that the solids are dark. Try some of the other test charts that Blackcat has posted or others.
    Hope that helps !
    -Tony


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