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  1. #1
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    iAC5235i - Black came out blurry only when printing in color

    Hello everyone,

    I'm encountering this weird-to-me problem : Whenever the customer print a color invoice, the black comes out blurry. But the same invoice print as b&w only is perfect..
    So the black is blurry only when printing in color.
    Capture.jpg

    It's on a refurbish iAC5235i with BK:22.600 & CL:55.400 prints and so far :
    • drums are all news,
    • tried on a news BK developer
    • tried a working ITB (including the cleaning parts)
    • my brain hurts

    (all the above are oem, not working with shitty 3rd party parts)

    And the problem is still here
    Does anyone know why the black is coming out as blurry only when printing in color ?!
    What this goddam printer use when you print in color but not in bk ?

    Thanks & have a great week-ends o/

  2. #2
    Trusted Tech 50+ Posts
    iAC5235i - Black came out blurry only when printing in color


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    Re: iAC5235i - Black came out blurry only when printing in color

    I've seen something similar to that in really dry environments where the toner spreads out on the paper after transfer from the drum/ITB. The fact that it only happens on black and only when running color is very confusing. Have you tried stopping the machine and looking at the image on the drum before it transfers to the ITB? Also look at the image on the ITB before it transfers to the paper. That might help to narrow down where the problem is during the process.

  3. #3
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    Re: iAC5235i - Black came out blurry only when printing in color

    Thank you for your input rspicer,

    I did not think about stopping the machine during the print cycle, I'll try that monday
    Also the weather here is really humid, it cause a lot of jamming / cq issue, but that one is surely a first

  4. #4
    Senior Tech 250+ Posts
    iAC5235i - Black came out blurry only when printing in color


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    Re: iAC5235i - Black came out blurry only when printing in color

    Were you able to figure out this problem? have a similar one....

  5. #5
    Trusted Tech 50+ Posts nicknt82's Avatar
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    Re: iAC5235i - Black came out blurry only when printing in color

    Quote Originally Posted by Daemon View Post
    Hello everyone,

    I'm encountering this weird-to-me problem : Whenever the customer print a color invoice, the black comes out blurry. But the same invoice print as b&w only is perfect..
    So the black is blurry only when printing in color.
    Capture.jpg

    It's on a refurbish iAC5235i with BK:22.600 & CL:55.400 prints and so far :
    • drums are all news,
    • tried on a news BK developer
    • tried a working ITB (including the cleaning parts)
    • my brain hurts

    (all the above are oem, not working with shitty 3rd party parts)

    And the problem is still here
    Does anyone know why the black is coming out as blurry only when printing in color ?!
    What this goddam printer use when you print in color but not in bk ?

    Thanks & have a great week-ends o/

    With Black Copier,use only black toner. With Color copier, black images were created by mixing C,M,Y toner.

    Try going to driver- Printing Preferent- Quality -..

  6. #6
    Tech Specialist 1,000+ Posts Canuck's Avatar
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    Re: iAC5235i - Black came out blurry only when printing in color

    It sounds like the black is using process black(c+y+m) as opposed to spot black(uses black toner). If it is printing process black, you probably have a color registration issue. Run Auto Correct color Mismatch under Maintenance/Adjustments. If it fails or it corrects it, you may have a slipping itb, dirty patch reader, laser issue. Make sure firmware is upgraded

  7. #7
    Technical/IT Support 500+ Posts Venom's Avatar
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    Re: iAC5235i - Black came out blurry only when printing in color

    Quote Originally Posted by nicknt82 View Post
    With Black Copier,use only black toner. With Color copier, black images were created by mixing C,M,Y toner.

    Try going to driver- Printing Preferent- Quality -..
    When set to color: it uses C,M,Y and K on these. Black transfer roller is always engaged for B/W or Color.
    IBM, Mita, Konica Minolta, Ricoh, Kyocera, HyPAS, Canon, Oce, Samsung, HP, TEO IP PBX/Unified Communications, Comptia Network+ Comptia PDI+ Certifications

  8. #8
    Technical/IT Support 500+ Posts Venom's Avatar
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    Re: iAC5235i - Black came out blurry only when printing in color

    Print a pg test grid to see if all 4 colors are aligned, could be a drum unit not seated properly
    IBM, Mita, Konica Minolta, Ricoh, Kyocera, HyPAS, Canon, Oce, Samsung, HP, TEO IP PBX/Unified Communications, Comptia Network+ Comptia PDI+ Certifications

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