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  1. #1
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    Sponge Gathering Rollers

    orestesp's Avatar
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    Sponge Gathering Rollers

    Hello,

    I recently had to replace the sponge gathering rollers on the finisher of my machine. I opted to not go with the original parts, as from my experience I know that these foam rollers are rather fragile.

    I found these rubber roller on AliExpress instead and thought I would give them a try.

    Initially they were giving me trouble, but after removing the rubber rollers from their shafts and placing them on the old shafts from the original foam rollers they worked great.

    I hope you find this information useful. Hopefully these will last longer than the foam rollers.

    Sent from my Redmi Note 5 using Tapatalk

  2. #2
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    Re: Sponge Gathering Rollers

    There is a reason for using sponge instead of rubber!
    Sponge will slip over the paper, rubber will not.
    You will end up with a lot of misery if you do not use the original sponge rollers.

    (I'm still missing my 7th green card, anyone has seen it?)

  3. #3
    Service Manager 1,000+ Posts Gift's Avatar
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    Re: Sponge Gathering Rollers

    Looks interesting and funny but I'd expect too much grip wich might stress the gears/drive and perhaps it doesn't interact well with certain paper surfaces. Never had trouble with the foam rollers - OK you might have to replace them after a few 100k prints or years but most customers won't even complain if the paper stack is not 100% aligned^^

  4. #4
    Senior Tech 100+ Posts
    Sponge Gathering Rollers

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    Re: Sponge Gathering Rollers

    Quote Originally Posted by Mark Bbb View Post
    There is a reason for using sponge instead of rubber!
    Sponge will slip over the paper, rubber will not.
    You will end up with a lot of misery if you do not use the original sponge rollers.

    (I'm still missing my 7th green card, anyone has seen it?)
    Quote Originally Posted by Gift View Post
    Looks interesting and funny but I'd expect too much grip wich might stress the gears/drive and perhaps it doesn't interact well with certain paper surfaces. Never had trouble with the foam rollers - OK you might have to replace them after a few 100k prints or years but most customers won't even complain if the paper stack is not 100% aligned^^
    I see what you guys mean. The trouble it was giving me initially is that the motor that operates the exit rollers would stall once paper arrived.

    I fixed this by doing what I described earlier, the old shafts were a tiny bit larger in diameter than those that the roller came with, and with a small quantity of grease it is running.

    If it starts giving me trouble I will just replace them with the original ones. I was just fed up with the foam rollers on my KM machine detaching from the plastic shaft and they cost 12€ each (and the machine uses 5 or 6).


    Sent from my Redmi Note 5 using Tapatalk

  5. #5
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    Re: Sponge Gathering Rollers

    Have you ever asked yourself why the paper is not fed out of the finisher properly?
    Is it the correct finisher for that printer?

  6. #6
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    Sponge Gathering Rollers

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    Re: Sponge Gathering Rollers

    Quote Originally Posted by Mark Bbb View Post
    Have you ever asked yourself why the paper is not fed out of the finisher properly?
    Is it the correct finisher for that printer?
    Yes it is (SR970/MP6000).

    The foam rollers had completely disintegrated and needed replacement as the main tray won't work without them. The newer ones were causing the binding but I have now (fingers crossed) fixed it.

    Sent from my Redmi Note 5 using Tapatalk

  7. #7
    Senior Tech 2,500+ Posts
    Sponge Gathering Rollers

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    Re: Sponge Gathering Rollers

    I have used rubber instead of sponge a couple of times when I was in a pinch. Too much friction in present using an unmodified rubber roller, and it stalls out the exit motor. I cut the rollers down to about a 5mm width, and then secured them to the old hub with double sided tape. It worked till the sponge roller came in.
    NEVER ASSUME ANYTHING

  8. #8
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    Sponge Gathering Rollers

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    Re: Sponge Gathering Rollers

    Even if they don't stall the exit motor as they get dirty they WILL start to leave skid marks on the paper.

  9. #9
    Field Supervisor 500+ Posts Codex's Avatar
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    Re: Sponge Gathering Rollers

    We tried the black foam roller from ali express and they work without problems... Bought first only 4....then after the tedt we bought 200....

    Inviato dal mio SM-G935F utilizzando Tapatalk
    Memento Audere Semper

  10. #10
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    Re: Sponge Gathering Rollers

    Quote Originally Posted by Codex View Post
    We tried the black foam roller from ali express and they work without problems... Bought first only 4....then after the tedt we bought 200....

    Inviato dal mio SM-G935F utilizzando Tapatalk
    In this test time you could have had a unsatisfied customer... is it worth it? For a few dollars more ?
    Last edited by Mark Bbb; 06-25-2021 at 12:08 PM.

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