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need a replacement belt for scanner

Discussion in 'Electronic Repair' started by bz, Feb 14, 2007.

  1. bz

    bz Guest

    lexmark x83 scanner("color copier" and injet printer also in same box).

    Belt says
    pioneer rubber belt 397 MXL

    Lexmark says "it is cheaper to replace [their equipment] than to repair
    it" so they don't stock parts any more.

    [what ever happened to the federal law that REQUIRED manufacturers of
    consumer electronics equipment to maintain a parts supplies for 7 years
    after last sale of the model??? And to make available service manuals??? If
    the laws have been repealed, perhaps we need to have them unrepealed. If
    they are just not enforced, perhaps we need to push for enforcement!]

    Google has not given me anything that looks like the 'toothed, narrow
    belt' that may be 397 mm long (the scanner scans legal sized documents) by
    2 mm wide. (I don't have it at hand so am just guessing as to the size).

    Anyone know where I can get a new belt? Mine seems to be stretched (the
    spring tensioner/idler pully has reached end to travel) and to be slipping,
    making loud popping noise.



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    bz 73 de N5BZ k

    please pardon my infinite ignorance, the set-of-things-I-do-not-know is an
    infinite set.

    remove ch100-5 to avoid spam trap
     
  2. Jim Land

    Jim Land Guest

    Since you can't buy it from Lexmark, you google around (lexmark
    replacemnt part) and find that independent parts houses are taking up the
    slack. For example:

    http://tinyurl.com/34494g
    http://www.sparepartswarehouse.com/Lexmark,Multifunction,Printer,Belts.as
    px
     
  3. bz

    bz Guest

    I had tried google but got no hits that were useful. Perhaps too specific
    or not specific enough.

    Not sure if sparepartswarehouse can help either, but have submitted an
    enquiry to them. The part that shows at the above link may or may not be
    what I need but since it seems to be a laser printer belt, I have some
    doubts, but we will see what they say.

    Thanks for the help.





    --
    bz 73 de N5BZ k

    please pardon my infinite ignorance, the set-of-things-I-do-not-know is an
    infinite set.

    remove ch100-5 to avoid spam trap
     
  4. I believe these are called cogbelts.
     
  5. bz

    bz Guest

    Thanks!

    That may help.





    --
    bz 73 de N5BZ k

    please pardon my infinite ignorance, the set-of-things-I-do-not-know is an
    infinite set.

    remove ch100-5 to avoid spam trap
     
  6. Rob Mills

    Rob Mills Guest

    If you can't find exact belt you might try browsing www.smallparts.com .
    They even have belting of different diameters that you can heat the ends
    and fuse together. RM~
     
  7. bz

    bz Guest

    I remember doing that in the early 70's when I had a consumer electronics
    repair shop in Texas. Sometimes we had to 'make our own' turntable belts.

    I guess I might even take this one off, 'remove the slack' by cutting out a
    section or two and get some more life out of it by using a bit of super-glue.

    Of course, that may not work if it has stretched too much.




    --
    bz 73 de N5BZ k

    please pardon my infinite ignorance, the set-of-things-I-do-not-know is an
    infinite set.

    remove ch100-5 to avoid spam trap
     
  8. bz

    bz Guest

    They replied:

    Unfortunately, we are unable to supply you with the part you are
    requesting. We would be receiving this part from Lexmark if they had it
    available.

    If you have any other needs, please don't hesitate to e-mail your parts
    request or call our toll-free number, 1-877-253-8898, 8 am through 6 pm,
    Eastern Standard Time.

    Thank you for your interest in www.sparepartswarehouse.com





    --
    bz 73 de N5BZ k

    please pardon my infinite ignorance, the set-of-things-I-do-not-know is an
    infinite set.

    remove ch100-5 to avoid spam trap
     
  9. Allelectronics.com has some in stock. Crap shoot if the size is close
    though.


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  10. Well, you need to be concerned about size _and_ pitch.

    I'd say futzing with ("re-engineering") the tensioner to snug it up
    might be a Best Approach. Firstly, tho', check for non-binding movement
    over the full scan path. Unhook the belt (that should be all that holds
    the scan assy in place) and see that it slides freely. You did mention
    a "thunk" and slipping belt in an earlier post.

    Jonesy
     
  11. bz

    bz Guest

    I found another scanner of a different type that used a spring that rides
    on the belt and provides tension. I am going to try to use it to 'take up
    the slack'.

    It seems to be working. May take some adjustment (making sure it is in
    exactly the right spot) to make sure it doesn't bind anywhere during
    normal travel. I only have had time to try one scan and it seemed to get
    rid of the slipping (with loud popping noises as the normal tensioner
    [lack of proper tension because it was at end of travel] let a tooth ride
    up and over the driver 'pully gear'.

    Going to still look for a replacement belt because I expect the belt will
    continue to deteriorate.
    Yeah, but it wasn't due to binding, due to lack of tension.




    --
    bz 73 de N5BZ k

    please pardon my infinite ignorance, the set-of-things-I-do-not-know is an
    infinite set.

    remove ch100-5 to avoid spam trap
     
  12. bz

    bz Guest

    None of the ones they showed when I searched for 'belt' were anywhere near
    close.




    --
    bz

    please pardon my infinite ignorance, the set-of-things-I-do-not-know is an
    infinite set.

     
  13. isw

    isw Guest

    How about just adding an idler to take the excess slack out of the belt?

    Isaac
     
  14. Or chop out a piece and add a spring?
     
  15. bz

    bz Guest

    Not easy to do.
    weakens the belt or creates a stiff spot in it.
    The current idler is physically limited in its travel, adding a spring
    there would not help unless I put a longer rod AND cut a hole in the case
    for the belt and idler to travel through!!!


    _ ____
    Trying a kind of spring that makes a \ /
    \ /
    O

    The belt is pinched together toward the top of the picture,
    and pushed to the side, Downward in the drawing, toward the 'O', which
    represents one turn of spring stock. The the top ends of the 'V' clip
    around the belt and the belt passes below the 'O'. The spring tries to
    bring the tops of the 'V' together.



    Eventually the belt will stretch to the point where cogs will override
    teeth and it will 'jump' a tooth when ever it likes.

    The image will show bands of compression or expansion.

    Eventually the belt will break.

    The belt really does need to be replaced when it has stretched past a
    certain point.



    --
    bz 73 de N5BZ k

    please pardon my infinite ignorance, the set-of-things-I-do-not-know is an
    infinite set.

    remove ch100-5 to avoid spam trap
     
  16. Yep, it's a pain. Keep a look out on http://freecycle.org/ or
    http://www.craigslist.org/ -- maybe someone has a busted one with a good
    belt.
     
  17. Franc Zabkar

    Franc Zabkar Guest

  18. bz

    bz Guest

    Thank YOU very much!




    --
    bz 73 de N5BZ k

    please pardon my infinite ignorance, the set-of-things-I-do-not-know is an
    infinite set.

    remove ch100-5 to avoid spam trap
     
  19. Maybe the Aussies make them stock parts?


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  20. Franc Zabkar

    Franc Zabkar Guest

    I rang up Parts Overnight. Initially they wanted to charge me $30 for
    the belt, until I directed them to the price list they had posted on
    their own web site. They then told me there was a minimum $20 order,
    and that the part was not in stock. Maybe the part is actually
    obsolete - I don't think they'll know until such time as someone tries
    to order it.

    - Franc Zabkar
     
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