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  1. #1
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    TASKalfa 3551ci white copies in Bypass unit

    Hi,
    we have a customer with a strange problem in a TASKalfa 3551ci, when select paper for the Bypass unit, the image is practically white,
    but if you take a duplex copy for the Bypass unit, the image is correct, rest of functions are OK ! copies for rest of cassettes are OK !
    It's crazy !!! we attach images, 1 copy 2 side for the Bypass and 1 single copy for the Bypass.
    Firmware version : 2N4_2000.007.031
    thanks in advance !
    Attached Files Attached Files

  2. #2
    Senior Tech 250+ Posts Ropariva's Avatar
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    Re: TASKalfa 3551ci white copies in Bypass unit

    Quote Originally Posted by correo.tony View Post
    Hi,
    we have a customer with a strange problem in a TASKalfa 3551ci, when select paper for the Bypass unit, the image is practically white,
    but if you take a duplex copy for the Bypass unit, the image is correct, rest of functions are OK ! copies for rest of cassettes are OK !
    It's crazy !!! we attach images, 1 copy 2 side for the Bypass and 1 single copy for the Bypass.
    Firmware version : 2N4_2000.007.031
    thanks in advance !
    Very damp paper.?
    Did you try fresh paper? These machines don’t deal with humidity well.

  3. #3
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    Re: TASKalfa 3551ci white copies in Bypass unit

    Good morning Ropavira,
    thanks for your post,
    yes, the paper is new, Navigator A4 80gr extra, no humidity and is the same paper for 2 test copiers,
    thanks in advance !

  4. #4
    Trusted Tech 50+ Posts itchyfinger@att.net's Avatar
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    Re: TASKalfa 3551ci white copies in Bypass unit

    just a guess but check your buckle adjustment for the bypass compared to the cassettes and paper type for the bypass

  5. #5
    Trusted Tech 50+ Posts masterchill's Avatar
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    Re: TASKalfa 3551ci white copies in Bypass unit

    Did you check the paper type setting (thick ,plain,transparency ect...) ?

  6. #6
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    Re: TASKalfa 3551ci white copies in Bypass unit

    Had a similar problem recently, except that single sided from any source was fine, 2 sided - second side looked like your sample
    (very washed out). Ended up being the EEPROM on the engine board. New one programmed from Kyo solved the problem.

  7. #7
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    Re: TASKalfa 3551ci white copies in Bypass unit

    Thanks to all !
    Next week I'll prove to change the EPPROM,
    Bye !

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