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  1. #1
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    Toner build up on transfer belt

    I was called to attend a Ricoh printer (C4503) that was printing misaligned images after the first copy or so.

    Upon inspection I noticed that there was a considerable amount of magenta toner build-up on the transfer belt. After spending some time cleaning it, the printer started to work just fine. However, I have just been told that the issue has come back.

    I know that the people using this printer don't bother changing paper thickness, because "it just works", and that obviously has only made things worse. Having said that, the transfer belt is already on 500k copies.

    Would a new transfer belt and cleaning unit fix the issue or could the toner build-up be an indication of a different issue? The toner has already been replaced so unlikely to be the culprit.

  2. #2
    Copier Technician 1,000+ Posts
    Toner build up on transfer belt

    mga's Avatar
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    Re: Toner build up on transfer belt

    Quote Originally Posted by arciere View Post
    I was called to attend a Ricoh printer (C4503) that was printing misaligned images after the first copy or so.

    Upon inspection I noticed that there was a considerable amount of magenta toner build-up on the transfer belt. After spending some time cleaning it, the printer started to work just fine. However, I have just been told that the issue has come back.

    I know that the people using this printer don't bother changing paper thickness, because "it just works", and that obviously has only made things worse. Having said that, the transfer belt is already on 500k copies.

    Would a new transfer belt and cleaning unit fix the issue or could the toner build-up be an indication of a different issue? The toner has already been replaced so unlikely to be the culprit.
    It would more likely be related to the magenta developer assy & or pcu what's there pm life is the paper transfer roller also coated
    Regards Mark

    FOR TRADE AND END USER SERVICE CALLS PLEASE VISIT WEB SITE FOR CONTACT DETAILS. COVERING GREATER LONDON {UK} AND ALL SURROUNDING COUNTIES.

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  3. #3
    Senior Tech 2,500+ Posts
    Toner build up on transfer belt

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    Re: Toner build up on transfer belt

    Replace at least the itb cleaning unit, clean the ID sensors, then run ACC.
    NEVER ASSUME ANYTHING

  4. #4
    Retired 10,000+ Posts slimslob's Avatar
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    Re: Toner build up on transfer belt

    I agree with mga. There has to be a reason for it throwing magenta toner. Depleted developer, bad TD sensor or use of after market toner causing over toning which leads to toner hazing. Replace the development unit and only use Ricoh toner. And as mika said, clean the image density sensor assembly.

  5. #5
    unTrusted Tech 250+ Posts imaginemoko's Avatar
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    Re: Toner build up on transfer belt

    with that kind of problem i encountered empty lubricant bar or bad charge roller or even bad drum itself. anyhow good luck sir. cheers.
    fix the customer first then fix the machine... its simple and makes life more easy.

  6. #6
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    Re: Toner build up on transfer belt

    Thanks all.

    The PCDU was replaced around 3 months ago (because of a completely different issue), as far as I know all the toners they use are Ricoh originals.

    The transfer roller is also affected, full of magenta toner.

  7. #7
    Copier Technician 1,000+ Posts
    Toner build up on transfer belt

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    Re: Toner build up on transfer belt

    Quote Originally Posted by arciere View Post
    Thanks all.

    The PCDU was replaced around 3 months ago (because of a completely different issue), as far as I know all the toners they use are Ricoh originals.

    The transfer roller is also affected, full of magenta toner.
    The problem is with the magenta dev assy and or pcu was the one you fitted used and if new did you setup correctly.
    Regards Mark

    FOR TRADE AND END USER SERVICE CALLS PLEASE VISIT WEB SITE FOR CONTACT DETAILS. COVERING GREATER LONDON {UK} AND ALL SURROUNDING COUNTIES.

    RICOH, CANON, KYOCERA, KONICA, SHARP, HP/SAMSUNG BROTHER, LEXMARK.

    https://copierservices.simdif.com

  8. #8
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    Re: Toner build up on transfer belt

    The magenta PCDU was replaced around three months ago with a brand new unit. I checked it again today and I couldn't see anything wrong with it.

    However, I did notice that there was a considerable amount of toner powder around the opening of the magenta toner bottle (far side of the printer). I tried to clean it, but after 15-20 copies it started to build up again.

    This time the printer even threw a "toner not set correctly" error message, which made me suspect that the toner bottle doesn't have a tight-enough "connection". We tried 3 different toners so again I don't think the toners are faulty.

    Is there any part easy to replace, that is responsible for the transfer of the toner from the bottle?

  9. #9
    Retired 10,000+ Posts slimslob's Avatar
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    Re: Toner build up on transfer belt

    The Toner Transport Screw may be twisted or bent. See TSB D146/D147/D148/D149/D150 – 005

  10. #10
    Technician Lions86's Avatar
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    Re: Toner build up on transfer belt

    Quote Originally Posted by arciere View Post
    İlk kopyadan sonra yanlış hizalanmış görüntüler basan bir Ricoh yazıcısına (C4503) katılmaya çağrıldım.

    İnceleme üzerine, transfer kayışında önemli miktarda macenta toner biriktiğini fark ettim. Temizlemek için biraz zaman harcadıktan sonra yazıcı gayet iyi çalışmaya başladı. Ancak az önce sorunun geri geldiği söylendi.

    Bu yazıcıyı kullanan kişilerin kağıt kalınlığını değiştirmekle uğraşmadıklarını biliyorum, çünkü "sadece çalışıyor" ve bu açıkça işleri daha da kötüleştirdi. Bunu söyledikten sonra, transfer kayışı zaten 500 bin kopyada.

    Yeni bir transfer kayışı ve temizleme ünitesi sorunu çözebilir mi yoksa toner birikmesi farklı bir sorunun göstergesi olabilir mi? Toner zaten değiştirildi, bu nedenle suçlu olması pek mümkün değil.
    If there is a problem with the Td sensor, the machine will give an error code. The auger that carries the waste toner and the cleaning wax are the first things to check.

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