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  1. #11
    Senior Tech 100+ Posts SESHU's Avatar
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    Quote Originally Posted by D_L_P View Post
    Another possibility is humidity in the paper. I've seen that cause similar symptoms, the 1st pass through the fuser eliminates the humidity in the paper and then 2nd side looks fine/better.
    i make 2500 above copies per day..
    all copies like as it is upside lightly comes....
    so humidity how far is there????

  2. #12
    SanDiegoCopierRepair.com 1,000+ Posts
    Ir4570  copies upside comes very lighly????

    blazebusiness's Avatar
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    Quote Originally Posted by SESHU View Post
    then why it is comes scan to computer is clearly..
    Good point---my error-----sorry.
    Anything can be made to work if you fiddle with it long enough- San Diego Copier Repair.com

  3. #13
    Technician
    Ir4570  copies upside comes very lighly????

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    Light Print on one side

    I have had this happen and what took care of it for me was replacing the Magnetic Roller in developer unit.

  4. #14
    Service Manager 10,000+ Posts
    Ir4570  copies upside comes very lighly????

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    Quote Originally Posted by SESHU View Post
    i make 2500 above copies per day..
    all copies like as it is upside lightly comes....
    so humidity how far is there????
    how are single sided copies and or prints/scans Look ???

    when u scan just off the glass not using the DF to your printer all is OK ??

    Upside ?? does that mean the side facing the front- back- right - or left side of the printer when it exits ??
    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

  5. #15
    Trusted Tech 50+ Posts badboys's Avatar
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    You said,"laser dust glass clean with smooth cotton"? Have you try replacing the whole Laser Assy? Not getting the original copy to lay down flat will give you dark/shadow edges due to being exposed. This is one weird problem you have I must say...
    Have you done the laser test print???

  6. #16
    Senior Tech 100+ Posts SESHU's Avatar
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    Quote Originally Posted by teckat View Post
    how are single sided copies and or prints/scans Look ???

    when u scan just off the glass not using the DF to your printer all is OK ??

    Upside ?? does that mean the side facing the front- back- right - or left side of the printer when it exits ??
    i can't understand...

    when i make copies s also same as it is oneside/bothsides upside lightly comes..

    i am already post the images also...

    when i make prints as it is all corners it will come full of quality,
    like scan also scan to computer all sides full of quality allsides..

    but when i make copies only like effected copies only... upside ...

    like i want said to clearly ... when i make copies a4r / legal /a3 it will comes left side full of light copies out....

    are you understand my problem....

  7. #17
    Trusted Tech 50+ Posts badboys's Avatar
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    I DON'T UNDERSTAND YOU...WHAT IS "oneside/bothsides upside lightly comes"????
    Can you use the common/general technical terms like "Leading edge or Trailing Edge"



    sample.jpg

  8. #18
    Service Manager 10,000+ Posts
    Ir4570  copies upside comes very lighly????

    teckat's Avatar
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    Quote Originally Posted by SESHU View Post
    i can't understand...

    when i make copies s also same as it is oneside/bothsides upside lightly comes..

    i am already post the images also...

    when i make prints as it is all corners it will come full of quality,
    like scan also scan to computer all sides full of quality allsides..

    but when i make copies only like effected copies only... upside ...

    like i want said to clearly ... when i make copies a4r / legal /a3 it will comes left side full of light copies out....

    are you understand my problem....


    sorry but is a little difficult to understand
    your words


    When u make the SCAN- to your PC=do u place it on the glass or use the top DF FEEDER

    When u make COPIES- and have this quality problem -is it from the GLASS only / or does it also happen when u put paper in the top DF Feeder to copy
    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

  9. #19
    Service Manager 10,000+ Posts
    Ir4570  copies upside comes very lighly????

    teckat's Avatar
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    Quote Originally Posted by SESHU View Post
    i can't understand...

    when i make copies s also same as it is oneside/bothsides upside lightly comes..

    i am already post the images also...

    when i make prints as it is all corners it will come full of quality,
    like scan also scan to computer all sides full of quality allsides..

    but when i make copies only like effected copies only... upside ...

    like i want said to clearly ... when i make copies a4r / legal /a3 it will comes left side full of light copies out....

    are you understand my problem....



    I went back to your posted images/ now I understand what u are talking about/
    What u showing are Three pages of same document

    IMAGES ARE ..
    First image is a >copy from the 4570

    Second image is from >your computer to 4570

    Third is a scan >to your computer

    Question now is ? where did u place the document when u made a copy ? On the Glass or in the DF Feeder tray ?

    Next ?? Where did u Scan the document from ?
    On glass or did u use the DF Feeder tray.
    Last edited by teckat; 10-14-2010 at 05:17 PM.
    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

  10. #20
    Senior Tech 100+ Posts
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    clean rotating mirror in laser unit

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