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Boltaction
08-19-2016, 09:06 PM
Hey guys I have an interesting one. Had a new imaging unit for a bizhub c451. As soon as it was installed and the machine was powered on it threw the C-2559 code which I knew was the TCR adjustment failure. When I pulled the unit back out I noticed that there was toner/developer caked all around the drum.
My question is, is that simply an imaging unit that is bad out of the package and the drum itself cannot produce a charge?
The machine has not had a C-2559 up until now.

habik
08-19-2016, 09:21 PM
Vac the IU, clean everything you see and turn the dev manually with pliers. After that try again.
Yes could be faulty out of the box :)


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Boltaction
08-19-2016, 09:36 PM
That was my thought originally because we have had that issue before with faulty out-of-the-box parts but mostly from non-oem distributors. This was a genuine Konica Minolta part which is what led me to post on the forums about it.
Thanks for the reply, unfortunately I have already left the account and we dont have older gen bizhubs to do further testing.

copier tech
08-19-2016, 10:30 PM
Had loads of faulty IU's fail out of the box, I believe its where they are mishandled roughly during shipping, also make sure you fit the modified IU bracket if it doesnt have one.

Boltaction
08-19-2016, 10:45 PM
Funny thing is I had a yellow IU from oce fail on me during the same call. Two faulty units, one genuine and one non-oem. They came on the same shipment so they may have been mishandled during shipping.
Will have to chalk it up to that.
Thanks guys

copier tech
08-19-2016, 10:56 PM
Its a known issue thats why KM make the IU boxes that shape so they cant be stored on the end, however they can still be thrown about by the courier!

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