What did the print look like before you replaced them?
We know a thing or two because we've seen a thing or two.
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Could be due cold and damp season, I guess.
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Look very good before removing from machine, bird test print was ok,not tested some full color print.
It past just about half hour betwean removing from one to other machine,room temperature about 23 celisius both location, did not measure humudity
Hi, it is best to keep them without temperature changes. You also don't know what may have happened during transportation.
A 150km distant customer calls me for bad copies and I'm sure it's the drum. I went on this long journey and the drum I had inserted was new and I had not yet opened it. It was still with the seals of Konica Minolta. It printed worse than before, all black. By pulling out the drum I discovered that some charge hook had broken inside.
Now, I don't know if it was any hole in my road path that created any problems with the drum... maybe it could also have been a factory defect.
Can't be damaged in transportation, I'm sure.
Did you try to run Stabilization etc? Both machines should have different life counters also voltages.
I'm almost sure if you leave them long enough in the machine they can perform better.
A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
Blessed are they who can laugh at themselves, for they shall never cease to be amused.
I don't reply to private messages from end users.
I meant in the recipient machine not the donor.
We know a thing or two because we've seen a thing or two.
Also don't ask me for files without a contributor badge.
@tsbservice i did not damage them physically for sure, i just put them on co-driver seat and grab it when arrive there.
I inspect all 3 visually and no obvious damage on drum surface.
Did not run any stabilization when see that much bad print, there is no software i think what can resolve bad image like that.
And you are right,after some prints it gets less better but still not usable.
@Synthohol
Recipient machine before this has few slightly darker lines in CMY colors (i assume dirty charge grids).
After all i must return his original drums because they was better quality compare to this unusable image quality.
@Bix
I still never have problem with new drum unit,it is very well packed and very little chance to get damage something inside even if you drop the box on the floor.
It must be factory fault.
I always laugh when see transfer belt package, smaller box inside larger box with styrofoam between like it is going to be dropped from airplane.
But KM are not dumb to do that without reason.
Interesting. Toxic, I will put drums back in donor machine as soon as I can get my hands on it.
If I was in your shoes I just will refuse to accept that 3 working drums can be faulty.
A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
Blessed are they who can laugh at themselves, for they shall never cease to be amused.
I don't reply to private messages from end users.
I am in some kind of rush these days and dont have time to play with that but i will try that.
Let me be honest,that drums were over life anyway but i am just curious what hapened in that case to prevent future problems when handling OPC without original package.
I think same thing will happened if drums were new just without original package.
I was thinking about that day and it could be 2 reasons maybe.
First one is,drums were on front seat in the car and it was sunny day, although they were covered with white paper, the sun's rays may have broken through to drum surface.
That could explain same damage pattern on all drums.
Second reason could be when i came there i did not unwrap protective paper but i pull it from drum and it makes contact with drum surface.
Maybe that moving paper over drum surface make some charge along drum length.
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