Bizhub C368 fuser noise

[Bix]

Hi guys, here I am asking you for advice.
I have a bizhub C368 with a noise that I think comes from the fuser. It seems to me a metallic friction. I tried using grease for the gears but it didn't help much. The noise is heard more when there is a print in progress, during the heating phases it is milder.

However, the fuser has only 100k but I have read some problems on this series. The material of the bearing (Non-supply part) holding the heating roller in the Fusing Unit 230V has been changed from "PPS + GF" to "PPS".


I will order a new fuser but maybe some of you know a trick.


Thanks in advance!

[Copier Addict]

Re: Bizhub C368 fuser noise

Hi guys, here I am asking you for advice.
I have a bizhub C368 with a noise that I think comes from the fuser. It seems to me a metallic friction. I tried using grease for the gears but it didn't help much. The noise is heard more when there is a print in progress, during the heating phases it is milder.

However, the fuser has only 100k but I have read some problems on this series. The material of the bearing (Non-supply part) holding the heating roller in the Fusing Unit 230V has been changed from "PPS + GF" to "PPS".


I will order a new fuser but maybe some of you know a trick.


Thanks in advance!

There is a bulletin concerning this noise. You are correct, it has to do with bearings.
The easiest thing to do is claim it on the YPP (yield protection program) and just get it replaced. The warranty is pro-rated based on the number of pages through it. Print the management list and counter list.

[Synthohol]

Re: Bizhub C368 fuser noise

I've been just using a couple drops of tru-flo oil in all 4 bearings and the 2 bushings for the oil roller and the noise goes away after 100 pages.
The trick is to drip it in while the bearings are hot. You see it soak right in and makes a big difference.
If that won't work then yes I replace the fuser under YPP.

[Bix]

Re: Bizhub C368 fuser noise

Hello guys,
here is an update: I replaced the fuser and apparently the problem seemed to be solved. After 5 minutes, the noise reappeared.
So, unfortunately, it is not the fuser but it has to do with it. The creak is heard for a second as soon as the fuser starts heating when it is about to print and during the printing phase. I also tried to fatten the two gears:
Fixiereinheit.jpg

With a Load Check I was able to find the squeak by setting "45 - 1". It starts the M3 motor, the fusing motor.
But I have not been able to understand where to try to lubricate to make the noise disappear or if I should replace the piece.
Any suggestions? Thank you guys

[tsbservice]

Re: Bizhub C368 fuser noise

Hmmm Bix, two fusers in a row. Unlikely I think. Could you test fusers in another machine?

[Bix]

Re: Bizhub C368 fuser noise

Hi tsbservice, thanks for your feedback!
Unfortunately, I have no way of trying it on other MFPs right now.
The bizhub C308 has only about 100k, but a fuser that failed earlier than expected has happened to me several times so I replaced it with a new one that also has a new code with improvements. The noise is the same and at the same point, so I don't think the second new fuser is also defective.

[tsbservice]

Re: Bizhub C368 fuser noise

Sorry Bix if I was unclear. My feelings are also that root cause of the noise is this machine alone.
Maybe slightly bend fuser bed during machine production.

[K-3]

Re: Bizhub C368 fuser noise

if it has the same drive assembly as the "e" series you will need to access that and check the bushing for wear or the clutches.

[Bix]

Re: Bizhub C368 fuser noise

Any advice for me is gold, thank you my friend!
Yes, it is very likely that it is a printer problem. I have followed this since the day of installation and only now it has started to give this problem.

Being a metallic problem, lubrication is very likely to be sufficient. I just have to understand where but unfortunately it is always annoying to disassemble an MFP that works and only has a noise

@K-3 do you mean the group that spins the fuser gear?thx

[K-3]

Re: Bizhub C368 fuser noise

yes on the "e" series it is a pain to get the assembly out, but have had bushing and clutches make squealing noise, just follow the manual or try and get lubrication to that unit.

[popup2u]

Re: Bizhub C368 fuser noise

If you take the fusing unit out do you see any rust like dust in the corners or on the gears?

[Bix]

Re: Bizhub C368 fuser noise

If you take the fusing unit out do you see any rust like dust in the corners or on the gears?

No, the first fuser has no signs of wear or rust. The second is not because it is new.

[popup2u]

Re: Bizhub C368 fuser noise

Alright. I ask because I had a fusing unit make a squealing noise similar in the video but when I took it out there was rust colored dust in the corner. Turned out that the bushing had pop out of its cavity and was letting the shaft rub against the the cavity hole.

[Bix]

Re: Bizhub C368 fuser noise

Hi, thanks for sharing your experience. In which corner do you mean?
Thanks again!

[popup2u]

Re: Bizhub C368 fuser noise

It was on the right side mainly, on the gears, if you turn the fusing unit on its right side some should fall from out of the unit itself, and in the back corners of where the fusing unit sits, but be careful because it DOES NOT like to come out of clothes