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  1. #1
    Master Of The Obvious 10,000+ Posts
    Lexmark 844.20 or 844.02 error

    blackcat4866's Avatar
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    Lexmark 844.20 or 844.02 error

    I've found a tear in the scanner ribbon cable where it pulls when you open the top. Have you ever attempted to repair a ribbon cable? I must be channeling my inner MacGuyver today.

    With a sharp knife blade I scraped away the upper layer pf plastic insulation to expose ~ 6mm of conductor at the tear (two far left conductors). With a pointy tool I dabbed on a small amount of resin. I let the soldering iron reach temp, then rapid-soldered two small beads of solder on the cracks. Naturally the backing plastic melted back, but there's enough basic structure to the ribbon. To keep the conductors apart I covered the repair with self-adhesive mylar.

    I don't think it would work in a place where there's a lot of flexing, but this was not.

    By the way there is a firmware update that's supposed to fix 844.02 codes, but I don't think it would do a thing for the ripped ribbon cable. =^..^=

    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.


    blackcat: Master Of The Obvious =^..^=

  2. #2
    Senior member of CRS 2,500+ Posts
    Lexmark 844.20 or 844.02 error

    ZOOTECH's Avatar
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    Re: Lexmark 844.20 or 844.02 error

    Quote Originally Posted by blackcat4866 View Post
    I've found a tear in the scanner ribbon cable where it pulls when you open the top. Have you ever attempted to repair a ribbon cable? I must be channeling my inner MacGuyver today.

    With a sharp knife blade I scraped away the upper layer pf plastic insulation to expose ~ 6mm of conductor at the tear (two far left conductors). With a pointy tool I dabbed on a small amount of resin. I let the soldering iron reach temp, then rapid-soldered two small beads of solder on the cracks. Naturally the backing plastic melted back, but there's enough basic structure to the ribbon. To keep the conductors apart I covered the repair with self-adhesive mylar.

    I don't think it would work in a place where there's a lot of flexing, but this was not.

    By the way there is a firmware update that's supposed to fix 844.02 codes, but I don't think it would do a thing for the ripped ribbon cable. =^..^=
    WOW !!! Good fix - let us know how it lasts.

    "You can't trust your eyes, if your mind is out of focus" --

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