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  1. #1
    Trusted Tech 50+ Posts
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    KM-5050 faint copies.

    I bought KM-5050 used. Produces faint copies from day 1 I received it.
    Even at +3 density, the copies are still not satisfactory. Tried New Toner -same result.

  2. #2
    Trusted Tech 50+ Posts MDR24's Avatar
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    Re: KM-5050 faint copies.

    Is this happening on copies only or also prints?


    Firstly make sure Eco Print isn't selected as ON

    Print a belt off using U89 to see what the internals are like.

    Are you using Genuine toner?

    If the internals are faint, check the T.C and Dev unit.
    Last edited by MDR24; 03-06-2015 at 03:53 PM.

  3. #3
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    Re: KM-5050 faint copies.

    Clean the corona wire and the grid.

  4. #4
    Expert on The Obsolete 100+ Posts leroyal's Avatar
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    Re: KM-5050 faint copies.

    Quote Originally Posted by cokwax View Post
    I bought KM-5050 used. Produces faint copies from day 1 I received it.
    Even at +3 density, the copies are still not satisfactory. Tried New Toner -same result.
    Make sure the springs haven't fallen off of the transfer roller holder.
    I know what I know better than anyone else knows what I know.

  5. #5
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    Re: KM-5050 faint copies.

    Quote Originally Posted by leroyal View Post
    Make sure the springs haven't fallen off of the transfer roller holder.

    This is the most likely scenario with these copiers.

    Open the left side door, and there will be a black spongey looking roller in the middle of the part that folds out. If you press it on each end, it should push down and spring back up. Without the springs (can be missing just 1 as well), you won't get proper secondary transfer onto your paper, and thus faint copies/prints. 302GR93281 is the part number


  6. #6
    Master Of The Obvious 10,000+ Posts
    KM-5050 faint copies.

    blackcat4866's Avatar
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    Re: KM-5050 faint copies.

    That about covers it. =^..^=
    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 =^..^=

  7. #7
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    Re: KM-5050 faint copies.

    Happens to both copies and prints. Internal prints using U089 equally faint. Changed Charger unit in vain. Transfer roller springs Ok.

  8. #8
    Master Of The Obvious 10,000+ Posts
    KM-5050 faint copies.

    blackcat4866's Avatar
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    Re: KM-5050 faint copies.

    How about the OEM toner or toner buildup on the mag roller? The toner cartridge must have the holographic Kyocera sticker on the front.
    How about Eco Print? I can be set in both print and copy mode.

    =^..^=
    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 =^..^=

  9. #9
    Service Manager 1,000+ Posts subaro's Avatar
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    Re: KM-5050 faint copies.

    Ok, Lieutenant Columbo is on this case now. So you bought the copier used, yes ok. What is the meter read for the machine ?. If it's past due the pm cycle, then you will have to do one. the pm for this machine i belive is 500k, but sometimes drums, devs ect. are replaced individually before the pm cycle sim u000. Then again the pm may be required before the pm cycle.
    You can't beat a dead horse to the finish. If the drum is done you cannot bring it back to life. They could have easily switched the drum and dev from another machine and give you old ones. who knows.. you said from day1 right. used car sales and used copier sale they have a few things in common.

    Here is a tip, there is something you can do that may improve the print quality providing the high voltage and the boards are ok.
    read the user manual, its in there.
    I had to edit this post, because of the volume of pages of the manual. so instead it can be done from system menu at the control panel.
    Last edited by subaro; 03-08-2015 at 04:12 AM.

  10. #10
    Senior Tech 100+ Posts
    KM-5050 faint copies.


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    Re: KM-5050 faint copies.

    I would try replacing the entire transfer roller assembly. If that doesn't fix it. I would replace the entire Developer unit or vacuum out the old toner out of the Developer unit and set up with new OEM toner. If they were using compatible toner the solids are sometimes more gray instead of a crisp black.

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