I-Series belt cleaning units clogging up

[avecosat]

Re: I-Series belt cleaning units clogging up

I also have several C250i with that problem. Is like the C360 series

[Hansoon]

Re: I-Series belt cleaning units clogging up

Is like the C360 series

Never had any C-280/360 doing this but the C-253/353........ yes and YES!

Hans

[avecosat]

Re: I-Series belt cleaning units clogging up

The problem was the same: intermittent noise and blockage of the transfer cleaning unit. KM told me that it was a problem of humidity and poor ventilation of the equipment.

[srvctec]

Re: I-Series belt cleaning units clogging up

The problem was the same: intermittent noise and blockage of the transfer cleaning unit. KM told me that it was a problem of humidity and poor ventilation of the equipment.

Yeah, well they always blame stuff like this on something else other than poor engineering design. Also, since there never was a single problem of this happening on 4/4e/8 series that were in the exact same offices we now have i-series in, obviously the office environment ISN'T the issue. NONE of our i-series machines that have done this are in any weird environments where ventilation or humidity are an issue.

If this is happening worldwide then they need to get it fixed ASAP. We've already had a couple customers complain that a new machine shouldn't have a problem like this and of course I agree but can't really say anything except sorry for the trouble.

[Sysco]

Re: I-Series belt cleaning units clogging up

Never had any C-280/360 doing this but the C-253/353........ yes and YES!

Hans

Yes, it was an old problem on the C220 series.
Noise when turning the waste toner box gear, but it can't move the stuck in toner pipe from the ITB to WTB.
In the C220 pull out the ITB, and you can find a screw which fixed the toner pipe.
After clean the pipe and it's ok for the next 2k pages.
Only 5 minutes work and done.
I hope same problem solving for the i series.

[mincopier]

Re: I-Series belt cleaning units clogging up

Konica Minolta has a bulletin about the "Spiral Screw" on the waste toner box becoming dislodged or moved out of place. They say to "Form" the spiral gear into place with needle nose pliers.

This is mainly for noise but if it is out of place it could be a contributor to this problem for some.

[occus]

Re: I-Series belt cleaning units clogging up

I decided to start a thread where maybe we can keep track of this. This thread is where I first saw mention of the issue right after I had the same issue on a C550i, the first time we've come across the issue.

Well, today I had a C360i in the field for 10 months with 26K on the meter with the same issue. I spent quite a bit of time trying to find out what caused it but came up with absolutely nothing. I was able to clean all the toner out of the cleaning unit and it seems fine now but not sure why it clogged up in the first place. I thought maybe when the belt was installed at the factory that maybe the shutter didn't open like it should, causing the cleaning unit to fill up. Upon further inspection of the Waste Toner Conveyance ASSY, it had toner in the entrance shutter. If the belt shutter never opened, there would be no toner there.

Then I removed the shutter assy above the Waste Toner Conveyance ASSY and below the belt to see if it was clogged and it had toner in it but wasn't clogged. Once I opened the bottom shutter, the toner just fell out. I even disassembled the Waste Toner Conveyance ASSY to see what might be the issue with it and didn't see anything abnormal. It did have an issue with turning hard and I had to remove the drive assy and lube the second gear with a tiny bit of grease to free it up.

Post if you have had the same issue and what you find if anything.

Is that the same noise you had? Front door open/close

History:
Delivered summer 2020
-after a while maybe 5000 prints customer calls me for a new waste toner box, on visit waste toner box is empty (how can the full allert pop up even the transparent plastic nose is total clear and empty... strange)
-changed the waste toner box, since this i had no calls.
-before a few days i was there to deliver toner and the customer tells me about noise, i checked error counter and made a few tests but i found nothing.
-yesterday the customer sends me a video with the noise.

The noise sounds for me like the problem of the old 220 Series... which we all know. So i expected hardened toner in the cleaning area of the belt and in the auger or in the hole waste toner transport way. But there was only normal toner soft and pulvered, from auger to waste toner.
The gears of the waste toner box and the conveyance assy turned easily.

Now what i have done:

I took out the expansions spring from the old waste toner box to compare with a new orange/blue dotted waste toner box, these were the same length. But why? Anyway i cuttet the spring a bit.

Remember the bulletin: (but i'm pretty shure factory date from this machine is older than the change of the cover)

Since the shape of a plastic cover near the Waste Toner Conveyance Unit
slotting area on the main body was changed, the front end of the conveyance
unit can get angled downwards more than before as it is installed. As a result,
the edge of the shutter may not hit the contact part on the main body side,
and the shutter will not open. When the Conveyance Unit and the Waste Toner
Box are installed together as one assy, this problem hardly occurs.

Shutter on Waste Toner Conveyance Unit may not open.jpg

>>so install waste toner box, take out the bundle together and install again as workaround.
Thanks for feedback.

[srvctec]

Re: I-Series belt cleaning units clogging up

Is that the same noise you had? Front door open/close

History:
Delivered summer 2020
-after a while maybe 5000 prints customer calls me for a new waste toner box, on visit waste toner box is empty (how can the full allert pop up even the transparent plastic nose is total clear and empty... strange)
-changed the waste toner box, since this i had no calls.
-before a few days i was there to deliver toner and the customer tells me about noise, i checked error counter and made a few tests but i found nothing.
-yesterday the customer sends me a video with the noise.

The noise sounds for me like the problem of the old 220 Series... which we all know. So i expected hardened toner in the cleaning area of the belt and in the auger or in the hole waste toner transport way. But there was only normal toner soft and pulvered, from auger to waste toner.
The gears of the waste toner box and the conveyance assy turned easily.

Now what i have done:

I took out the expansions spring from the old waste toner box to compare with a new orange/blue dotted waste toner box, these were the same length. But why? Anyway i cuttet the spring a bit.

Remember the bulletin: (but i'm pretty shure factory date from this machine is older than the change of the cover)

Since the shape of a plastic cover near the Waste Toner Conveyance Unit
slotting area on the main body was changed, the front end of the conveyance
unit can get angled downwards more than before as it is installed. As a result,
the edge of the shutter may not hit the contact part on the main body side,
and the shutter will not open. When the Conveyance Unit and the Waste Toner
Box are installed together as one assy, this problem hardly occurs.

[ATTACH=CONFIG]51951[/ATTACH]

>>so install waste toner box, take out the bundle together and install again as workaround.
Thanks for feedback.

That sounds a lot like it except it seems ours were making a faster cadence, almost double the speed of that video.

Sounds like your issue was a bit different than on all ours making that noise. It has always been a completely clogged up shutter pipe on the cleaning unit of the belt. It requires taking it apart and digging out the toner.