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Hello,

After finally getting machine to work after recent issues with tray 1 I have constant problems with duplex printing only.
1 side printing works fine with no trouble at all.

Also to be...

So finally its working properly.

To be honest I haven't figured what it was.
I changed the PS7 with one sensor from the unused tray2 and tried that, it did not work.

I started following the...

Thank you I saw that.
That implies both ps7 and ps8 are reporting wrong values.
I will try the ps7 and get to you.

Will try and examine the wiring as well if there is something obvious at least.

I will try the ps7 tomorrow to be safe.
Other than that how could the wiring go bad seems strange to me. Anyway does the wiring has a PN so I that I could search for a replacement?

Also the tray...

Nice eye!
Yeah that was bent because a small plastic piece that was holding that under they tray broke off.
I saw that today my self while I was trying many things.

I replaced that bent thing...

I took a sensor from the tray 2 I had, which was recognising fine when tray was empty or not and replaced the part 13 fully along with the ps8.
Still the same results.

I was looking at paper empty to be honest.
Still the upper limit does not change even I remove tray.

Is this part 8? Again all these seem to be in place so that should not be a problem I suppose.

Hello,

I have already checked those.
Part 7 is in place just fine I did not touch that.

I cleaned both 13s with a q-tip to make sure they got nothing that maybe is blocking the sensor.
Still...

The tray has a small crack at the back since the day I got it but I assumed that cannot be the problem since it was literally from the first day I used the machine, and I am not slamming the tray...

Hello,

If I understand correctly this little metal shaft should be inside the white wheel yes ?
That is a motor problem or is the plastic endpoint from the lift lever somehow misplaced ?

Hello,

So here is an update.
I got the rollers out cleaned the one ways with alcohol and did "rub" the metal shaft to make it have a grip a bit. All good there.

It does not work still.
I...

Ah ok then its weird because I installed new clutches on both the rollers.

I haven't oiled anything though.
I got 2 new original clutches like in your picture and and replaced the old ones.
...

Hello,

Thank you for your fast reply.
To clarify on the feed roller its the white plastic ?
And on feed roller its the black one that is hold in place by a small metallic shaft?

Do I...

Hello again,

just to clarify there is 1 x one way bearing or am I missing something?

Thank you

Hello,

Thank you the image helps a lot.
I have installed brand new unsed rollers so in that part I am good I suppose.
I also installed new clutches since I had those sealed as well.

I will...

The rollers are spinning normally I checked.
The thing is the jam is not happening between the rollers, meaning the paper does not actually leave the tray.

I checked the lift motor its working...

Found it the error code is 1101

I suppose I can find that in the service mode. Could you tell me where do I find that?
Sorry for the silly question , I honestly do not know though.


Tray 2 was always jamming from the moment I...

Hello to everyone,

To clarify I am not a professional regarding copiers, I simply use some KM machines because clients use them and I do provide the consumables to them.

I personally use a C253...

Hello,

Stumbled upon a strange issue.
I have a C253 that keeps popping lately error code C-2A03

Now most of the time if I simply remove all toners and re insert them it will work.
But after I...

I forgot to mention that black IU is new actually. Should I go with cleaning the Fuser?

Also I need to mention that this was a problem before I change the IU, changed it and then problem came back...

Hello,

I have a C253 with 150K counter. Old machine yes but not used very much.

So I have a problem that I have noticed on Duplex printing mostly. It happens on single side too but very very...

I've used only Katun compatible toners and never ever expierenced a problem in any machine that we've used them.
Only once we had a DOA problem that was replaced with a new cartridge and everything...

Hello,

The plastic holders tha came with the finisher fit exactly is a specific spot from the right side. So changing the place of it aint an option.

Hello,

I am experiencing a problem with a FS519 finisher on KM C253

This error code appeared in the past once again, I then searched the forums and found some reasons this could happening....