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  1. #1
    Senior Tech 100+ Posts inutelkamo's Avatar
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    Foggy PH Protective Cover

    Hi Masters,

    Any suggested remedy for this?

    viber_image_2021-07-16_09-04-49-302.jpg
    PH protective cover was foggy. (see the upper part of the image). Laser cant penetrate well, creating a uneven image from lead to trail.
    The fog seems to be on glass can be remove by wipes.

    Parts replacement still not yet to arrive, and looking for possible remedy.
    Option 1.) Remove the protective cover
    Option 2.) Replace the glass from glass sellers
    Option 3.) Abrasive cleaning like in car headlights

    Your thoughtful comments and suggestions are very well welcomed.

  2. #2
    Certified Konica Expert 2,500+ Posts
    Foggy PH Protective Cover

    Synthohol's Avatar
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    Re: Foggy PH Protective Cover

    kind of reminds me of the analog days and the mirrors would get the same effect.
    this film that nothing in most toolbags have would remove.
    we used to use industrial strength commercial grade windex. https://www.lowes.com/pd/Windex-128-...B&gclsrc=aw.ds

    or try ammonia, blanketwash, vinegar, buffing it with fuser oil. (separately of course)
    those used to help me 20 years ago
    We know a thing or two because we've seen a thing or two.

  3. #3
    Master Of The Obvious 10,000+ Posts
    Foggy PH Protective Cover

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    Re: Foggy PH Protective Cover

    Quote Originally Posted by inutelkamo View Post
    Hi Masters,

    Any suggested remedy for this?

    viber_image_2021-07-16_09-04-49-302.jpg
    PH protective cover was foggy. (see the upper part of the image). Laser cant penetrate well, creating a uneven image from lead to trail.
    The fog seems to be on glass can be remove by wipes.

    Parts replacement still not yet to arrive, and looking for possible remedy.
    Option 1.) Remove the protective cover
    Option 2.) Replace the glass from glass sellers
    Option 3.) Abrasive cleaning like in car headlights

    Your thoughtful comments and suggestions are very well welcomed.
    Did you say that it CAN be removed with wipes? Then you're done. In a dirty environment you may need to repeat that periodically.

    Or did I read that wrong? =^..^=
    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. #4
    Senior Tech 250+ Posts
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    Re: Foggy PH Protective Cover

    Quote Originally Posted by blackcat4866 View Post
    Did you say that it CAN be removed with wipes? Then you're done. In a dirty environment you may need to repeat that periodically.

    Or did I read that wrong? =^..^=
    I did read the same.

  5. #5
    Service Manager 1,000+ Posts Gift's Avatar
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    Re: Foggy PH Protective Cover

    Is it moisture? If it can be removed I guess it wouldn't make much sense to swap the glass.

  6. #6
    Senior Tech 100+ Posts inutelkamo's Avatar
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    Re: Foggy PH Protective Cover

    Quote Originally Posted by blackcat4866 View Post
    Did you say that it CAN be removed with wipes? Then you're done. In a dirty environment you may need to repeat that periodically.

    Or did I read that wrong? =^..^=

    wahaha!
    sarry, typo error..
    i mean, CANT REMOVE by wipes..

  7. #7
    Master Of The Obvious 10,000+ Posts
    Foggy PH Protective Cover

    blackcat4866's Avatar
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    Re: Foggy PH Protective Cover

    What chemicals have you used?:

    Orange oil based solvent?
    Alcohol?
    Paraffin Lamp Oil?
    WD40?

    I wouldn't much worry about removing any coating from the glass, especially if it's the coating that's discolored.
    It makes me wonder if there isn't an environmental factor, some airborn solvent attacking the coating, or even etching the glass.

    If you cannot get that glass clean, your two options are new glass or new laser. I don't see a model number in the thread ... these look like laser slit glasses on the color presses (much much cheaper than buying whole lasers).
    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 =^..^=

  8. #8
    Senior Tech 100+ Posts Brett GS's Avatar
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    Re: Foggy PH Protective Cover

    Quote Originally Posted by blackcat4866 View Post
    What chemicals have you used?:

    Orange oil based solvent?
    Alcohol?
    Paraffin Lamp Oil?
    WD40?

    I wouldn't much worry about removing any coating from the glass, especially if it's the coating that's discolored.
    It makes me wonder if there isn't an environmental factor, some airborn solvent attacking the coating, or even etching the glass.

    If you cannot get that glass clean, your two options are new glass or new laser. I don't see a model number in the thread ... these look like laser slit glasses on the color presses (much much cheaper than buying whole lasers).
    Looks like B920 glasd that slids into the ph.

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