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  1. #1
    MFP Tech & I.T. Manager 100+ Posts MFPs R Now PCs's Avatar
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    Question LSU or Something Else - ARM350N

    We have a Sharp AR-M350N that when making a copy or a print will:

    1) shifts the copied original image to the left edge so far, the left side of the image is cut-off

    2) "ghosts" the copied original image as an exact duplicate to the upper right of the original image but its very light and made of a lot of little dots

    3) the "ghost" image will be turned at a 45 degree angle (sometimes)

    4) there are black smudges (lots of little dots)

    5) the copy/print is enlarged

    Now, I believe its the LSU and the dead give away are the dots (black smudges and the ghosting) but others say its impossible for a failing polygon motor to cause enlargements

    Your thoughts anyone? (Doesn't a slower spinning polygon mirror "stretch the image"?)

  2. #2
    Service Manager 1,000+ Posts igi's Avatar
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    Re: LSU or Something Else - ARM350N

    hi
    is self print from the copier does same problem?
    if does laser/poligone unit most likely faulty.
    cheers

    PS-faulty poligone motor can cause funny outputs.

  3. #3
    Senior Tech 250+ Posts lky1978's Avatar
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    Can put some sample to us?

  4. #4
    Master Of The Obvious 10,000+ Posts
    LSU or Something Else - ARM350N

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    Re: LSU or Something Else - ARM350N

    If it's second sides that have this most interesting quality problem you probably have a bad DF harness. See below:

    Digital image breakup on 2nd side only of 2 to 2 duplex. Missing elements from first copy appear on next consecutive 2nd side (even with a different original). Broken up image is reduced by from 55% to 95% in feed direction only, crossfeed is always 100%. Defective DSPF harnass. Replace the DSPF harnass (DHAI-3166FC11).

    Does that sound similar? =^..^=
    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 =^..^=

  5. #5
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    Re: LSU or Something Else - ARM350N

    Quote Originally Posted by MFPs R Now PCs View Post
    We have a Sharp AR-M350N that when making a copy or a print will:

    1) shifts the copied original image to the left edge so far, the left side of the image is cut-off

    2) "ghosts" the copied original image as an exact duplicate to the upper right of the original image but its very light and made of a lot of little dots

    3) the "ghost" image will be turned at a 45 degree angle (sometimes)

    4) there are black smudges (lots of little dots)

    5) the copy/print is enlarged

    Now, I believe its the LSU and the dead give away are the dots (black smudges and the ghosting) but others say its impossible for a failing polygon motor to cause enlargements

    Your thoughts anyone? (Doesn't a slower spinning polygon mirror "stretch the image"?)

    hi... i have the same problem but on different model... do you remember the solution?... thanks in avance!

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