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  1. #1
    Technician
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    Smile Bizhub Pro c500 fixing problem!

    Hello,
    I have problem when i print SRA3 or A3 on 135 g/m2 coated paper. You can see where is the problem on attached print scan. All print is ok. there is nice gloss (only the lines is all over the print) but the last 7-8 cm is not fixed ok. Maybe somebody know the answer and can halp me?Sorry for my english.
    Best regards!
    Majas
    Attached Images Attached Images

  2. #2
    Field Supervisor 1,000+ Posts RRodgers's Avatar
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    You've set the tray you are printing from to something like Normal 4 or higher yes? As far as the lines go... clean the toner that has accumulated under the drums and clean the second transfer roller as well. That should "help"
    Color is not 4 times harder... it's 65,000 times harder. They call it "TECH MODE" for a reason. I have manual's and firmware for ya, course... you are going to have to earn it.

  3. #3
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    Unhappy

    Hello, and thanks for quick response.
    I've done that things that you're told me. I clean everything and the lines on the left on print disappear. But i print on coated paper, and if i set up the normal 4 the image isn't good fixed on the last 7-8 cm. Better if i set the coated 4 or 5 but isn't good. all time tle last 7-8 cm don't have gloss mode and sometimes isn't fixed ok.

  4. #4
    Conservative in Exile 250+ Posts laserman06's Avatar
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    Couple of things...1. When using coated paper, the machine should be set to coated. 2. I would have your tech perform the transfer belt and fuser belt speed line adj.
    The family that prays together, stays together!
    Smile God created you and He doesn't make mistakes!

    Relax, God IS in control!

    Be still and know that I am God
    Ps 46:10

  5. #5
    Vulcan Inventor of Death 1,000+ Posts Mr Spock's Avatar
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    For the lines check the charge coronas and make sure the wire is on the standoffs. I have had them off from a new box. Also so you only run this size paper or do you run smaller paper as well. and what is the percentage?
    And Star Trek was just a tv show...yeah right!

  6. #6
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    I tryied all things that laserman06 and Mr Spock told me. No results. If i print on smaller format like A4 the problem isn't exist. All ok, but almost everything that i'm printing is bigger like A3 or SRA3. I've checked coronas, all are new, and i think everything here is ok. Maybe you know something else about my problem.
    Thanks everybody!!

  7. #7
    Field Supervisor 500+ Posts
    Bizhub Pro c500 fixing problem!

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    There a two different problems:
    1. The lines most likely are from charging coronas, drums or transfer belt. Run the test of every color and you'll find out.
    2. The fixing issue might be from the moist paper. Check to have the dehumidifying option on, if available, check all the settings for moist paper, try to raise the temperature in fuser and try to change the paper with a different stock.

  8. #8
    Technician
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    Hello, and thanks for response. Paper is good. I have two machines c500 (where is the problem), and 8050 (without problem). On the 8050 the print is perfect, fixed ok. i think the temperature is ok because 90% of picture is good, only last 10% have the problem. This image isn't so bad, here you have different scan from the other one: Photo
    Thanks all.
    Majas

  9. #9
    Field Supervisor 500+ Posts
    Bizhub Pro c500 fixing problem!

    ni311's Avatar
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    Are you sure it is the fusing unit? Did you try to stop it before exiting the fusing unit? Maybe the image it is not transferred or created ok.
    On the other hand, there is a big difference between these two scans, the direction of defect is different with 180 degrees.

  10. #10
    Service Manager 100+ Posts deep's Avatar
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    Heat and pressure should be the main factors which affect fusing property of the copy so I would suggest to swap the fuser with one already known good if possible.
    Kenny

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