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  1. #11
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    Post Re: need help,how to solve white line on paper kycera km2050.

    Quote Originally Posted by blackcat4866 View Post
    I'm going to guess that there's an obstruction under the doctor blade, in the developing unit. Such obstructions can shift around. Or you might have a buildup of toner on the developing roller.

    For the obstructions you can make a mylar "hook" to fish them out. Lets see if I have a photo:

    Well someday I'll learn how to drag & drop on the phone. =^..^=
    Thank you so much for answer tomorrow i will check doctor blade.

  2. #12
    RTFM!! 2,500+ Posts allan's Avatar
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    Re: need help,how to solve white line on paper kycera km2050.

    A3 machine? Guess the copy is SEF landscape.
    Had one of theses on the first call 2 years later the machine was on 300K and the complaint was light copies.
    Cleaned the optics and all the rest, prints turned good again unt chapeau.

    These things really that tough? It was in Giyani South-Africa. Its as Africa as you can get. Hot as hell and dusty.
    Should have given more attention to Kyocera.
    Whatever

  3. #13
    Master Of The Obvious 10,000+ Posts
    need help,how to solve white line on paper kycera km2050.

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    Re: need help,how to solve white line on paper kycera km2050.

    These models are well known for accumulating ozone buildup on the mirrors and slit glass in the scanner optics. Typical glass cleaner is not strong enough to remove ozone. You may need to use 95% pure alcohol. =^..^=
    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 =^..^=

  4. #14
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    need help,how to solve white line on paper kycera km2050.


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    Re: need help,how to solve white line on paper kycera km2050.

    Seen this too many times on this series. It is dirty optics. As Blackcat suggested use 95%+ alcohol to dissolve the ozone build up. After using the alcohol to clean the mirrors make sure you use a clean wipe to dry them off one mirror at a time and check to make sure there is no "haze" left on any of the mirrors. Using a bright flashlight to shine on the mirrors will show you were the haze is as normal room light will not. You also need to take the cover off the lens and the CCD and clean both of those as well. It may take two cleanings to completely eliminate the light areas.

  5. #15
    Service Manager 2,500+ Posts
    need help,how to solve white line on paper kycera km2050.

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    Re: need help,how to solve white line on paper kycera km2050.

    Quote Originally Posted by blackcat4866 View Post
    I'm going to guess that there's an obstruction under the doctor blade, in the developing unit. Such obstructions can shift around. Or you might have a buildup of toner on the developing roller.

    For the obstructions you can make a mylar "hook" to fish them out. Lets see if I have a photo:

    Well someday I'll learn how to drag & drop on the phone. =^..^=

    Attachment 47461
    I'm pretty sure I know the answer but I gotta ask before I make one of these. I like it. Have you ever damaged a doctor blade with the mylar hook?

  6. #16
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    Re: need help,how to solve white line on paper kycera km2050.

    [QUOTE=blackcat4866;1624033]I'm going to guess that there's an obstruction under the doctor blade, in the developing unit. Such obstructions can shift around. Or you might have a buildup of toner on the developing roller.

    For the obstructions you can make a mylar "hook" to fish them out. Lets see if I have a photo:

    Well someday I'll learn how to drag & drop on the phone. =^..^=

    Attachment 47461[/QUOTE


    He say that he try to replace Dev unit so it is not a Doctor blade.

  7. #17
    Senior Tech 100+ Posts
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    Re: need help,how to solve white line on paper kycera km2050.

    did you tried to print a page without installed main charger?
    Full solid image without white lines, it`s coming from laser or mirrors
    Full solid image with white lines, it`s coming from DV unit

  8. #18
    Service Manager 2,500+ Posts
    need help,how to solve white line on paper kycera km2050.

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    Re: need help,how to solve white line on paper kycera km2050.

    Quote Originally Posted by KYO_OEM View Post
    did you tried to print a page without installed main charger?
    Full solid image without white lines, it`s coming from laser or mirrors
    Full solid image with white lines, it`s coming from DV unit

    I gotta try this. Great information as always.

  9. #19
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    Post Re: need help,how to solve white line on paper kycera km2050.

    Sorry for late i drive car all day and did not do anything to repair a machine but I order ipa 99.99% on internet market Thailand and before go to home i try to print reports white line is on paper to.

  10. #20
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    Talking Re: need help,how to solve white line on paper kycera km2050.

    Thank you all so much for help me and guide. to day i solve a problem with a small paper i take out a develop unit to check a blade but i see a pcb lasor is bend and a lasor head not linear i try to put a small paper under pcb and put develop unit to machine and it work white line on paper is remove.

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