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  1. #1
    Step aside, noob 1,000+ Posts EarthKmTech's Avatar
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    C250i tick tick tick at idle demo and cause

    https://youtu.be/Dhe7ic2k6K0

    brand new machine out of the box.

    Can save a lot of time by simply slipping the belt off and spinning the coupling in both directions by hand. If the noise is there you got your answer.
    This account is no longer active and will no longer be used, I may re-join at a later date. Do not private message me, I will not get the notifications. Goodbye and all the best.

  2. #2
    Service Manager 1,000+ Posts
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    Re: C250i tick tick tick at idle demo and cause

    Quote Originally Posted by EarthKmTech View Post
    https://youtu.be/Dhe7ic2k6K0

    brand new machine out of the box.

    Can save a lot of time by simply slipping the belt off and spinning the coupling in both directions by hand. If the noise is there you got your answer.
    Just posted a question on the vid.C250i tick tick tick at idle demo and causeC250i tick tick tick at idle demo and cause

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  3. #3
    Field Supervisor 500+ Posts
    C250i tick tick tick at idle demo and cause

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    Re: C250i tick tick tick at idle demo and cause

    Quote Originally Posted by EarthKmTech View Post
    https://youtu.be/Dhe7ic2k6K0

    brand new machine out of the box.

    Can save a lot of time by simply slipping the belt off and spinning the coupling in both directions by hand. If the noise is there you got your answer.
    Awesome video!
    Also watched the 2204 vid, that was interesting (havent seen that error yet but still!)

    Regards!
    A.

  4. #4
    Senior Tech 100+ Posts
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    Thumbs down Re: C250i tick tick tick at idle demo and cause

    Quote Originally Posted by EarthKmTech View Post
    https://youtu.be/Dhe7ic2k6K0

    brand new machine out of the box.

    Can save a lot of time by simply slipping the belt off and spinning the coupling in both directions by hand. If the noise is there you got your answer.


    @EarthKmTech

    Do you have a solution?
    I have replaced the drive gear assembly but the ticking sound is still there... now a bit louder whit the new one

    Maybe the spareparts cannot be used?

  5. #5
    Senior Tech 100+ Posts
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    Thumbs up Re: C250i tick tick tick at idle demo and cause

    Ok, its done...
    Do not replace with a new drive gear. In my case i made a modification.
    If you make it for the first time calculate with 60min its really tight. And after i think you need about 35min maybe less with a bit practice.

    1. take out fuser
    2. take away upper and lower backcover
    3. take out your drive gear, 4 cable-connections, 1 fan
    4. put in washers to the movable gear to bridge the gap total 2.5mm with washers 6mm inside diameter, put in your drive gear
    5. important! reseat the transferbelt again, or remove it at the beginning. (you get an error code, gap between gears)
    6. enjoy the silents

    Modifikation_occus.jpg

    Now i'm off work and on the weekend... a longer test run will be done next week.
    Last edited by occus; 02-26-2021 at 07:17 PM.

  6. #6
    Service Manager 2,500+ Posts tsbservice's Avatar
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    Re: C250i tick tick tick at idle demo and cause

    Quote Originally Posted by occus View Post
    Ok, its done...
    Do not replace with a new drive gear. In my case i made a modification.
    If you make it for the first time calculate with 60min its really tight. And after i think you need about 35min maybe less with a bit practice.

    1. take out fuser
    2. take away upper and lower backcover
    1. take out your drive gear, 4 cable-connections, 1 fan
    2. put in washers to the movable gear to bridge the gap total 2.5mm with washers 6mm inside diameter
    3. put in your drive gear
    4. important! reseat the transferbelt again, or remove it at the beginning. (you get an error code, gap between gears)
    5. enjoy the silents

    Modifikation_occus.jpg

    Now i'm off work and on the weekend... a longer test run will be done next week.
    I will be very interested how your mode is performing after few thousand prints. Please keep us informed.
    A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.

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  7. #7
    Master Of The Obvious 10,000+ Posts
    C250i tick tick tick at idle demo and cause

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    Re: C250i tick tick tick at idle demo and cause

    So it's probably clicking at the helical gear face. That looks very similar to the 454e, 554e fuser drive packs, sans the clutches.
    =^..^=
    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 =^..^=

  8. #8
    Service Manager 1,000+ Posts Bix's Avatar
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    Re: C250i tick tick tick at idle demo and cause

    Quote Originally Posted by occus View Post
    Ok, its done...
    Do not replace with a new drive gear. In my case i made a modification.
    If you make it for the first time calculate with 60min its really tight. And after i think you need about 35min maybe less with a bit practice.

    1. take out fuser
    2. take away upper and lower backcover
    3. take out your drive gear, 4 cable-connections, 1 fan
    4. put in washers to the movable gear to bridge the gap total 2.5mm with washers 6mm inside diameter, put in your drive gear
    5. important! reseat the transferbelt again, or remove it at the beginning. (you get an error code, gap between gears)
    6. enjoy the silents

    Modifikation_occus.jpg

    Now i'm off work and on the weekend... a longer test run will be done next week.
    Are you sure it's okay in the long run? That detachment appears to be intended to allow the fuser roller hook to be flexible without creating damage. It could wear out the plastic quickly and create new squeaks in the future

  9. #9
    Senior Tech 100+ Posts
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    Re: C250i tick tick tick at idle demo and cause

    After a test of 3'000 papers in testmode the drive gear is still silent.

    If you look at the detail metall motor gear and spaced plastik gear, this picture is before i put in the washers

    before.jpg

    and after
    after.jpg

    I had time today to play around.
    On the original drive gear it works perfekt 100% silence. On the drive gear that i have ordered you can hear the ticking noise sometime but ony if you now there is a ticking noise so 95% silence.

    @Bix
    What do you mean with " to allow the fuser roller hook to be flexible without creating damage". I can't see any relation to the fuser roller?

    Now i haven't time any more for this...

    Open question:
    - Why i got a new drive gear with the same problem? I guess this was delivered from stock with older production date. The older manufactured c250i does not have this ticking noise so it's not logical.
    - will this mod persists more than 100'000 sheets
    - maybe if you add spacer under the 4 screws on the motor plate you have the same effect and without removing the drive gear, it will be mucht faster.


  10. #10
    Service Manager 1,000+ Posts Bix's Avatar
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    Re: C250i tick tick tick at idle demo and cause

    1. Mine is just a hypothesis about the reason for that space. I am talking about the component indicated by the arrow.

    arrow.jpg

    To facilitate insertion of the fuser unit, it retracts inward. From what I have seen, the motor starts all those gears.

    2. The problem also occurs in the second piece because perhaps the problem comes from somewhere else. Don't get me wrong. The problem is definitely in that area but maybe other part of the c250i pushes that gear incorrectly, always causing the noise.

    For example, I have discovered that I have a defective paper exit unit. After replacing the fuser, the squeaking problem disappeared for a month. But strangely it's back. I took apart the paper exit unit and discovered that an internal plastic part was broken. So why had replacing the fuser solved my problem for a while? These are the mysteries of the machines.

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