taskalfa 5002

[BillyCarpenter]

Re: taskalfa 5002

From my technical point of view it must be related to the used toner.
In past you changed dv unit and after a short while it came back.
Now, with other dv it`s o.k., but i think it will come back if enough "broken" toner would forwarded to this dv.
Do you see red mark on the rear side from toner cartridge?
Normally it`s hidden, only in case of usage from empty bk cartridge for waste, it becomes red and you can`t mount this cartridge for toner anymore.
But i have seen this kind of usage several times.
I don`t know how the endcustomer was able to insert the cartridges but it would done

The red dot information is very useful. Thanks for sharing.

[KYO_OEM]

Re: taskalfa 5002

@gab

sorry i didn`t read your answer about OEM toner!
By usage from non original toner it`s clear for me!
I have had several cases from usage of OEM toner and bad quality.
I will attach one screenshot from toner log of color system with usage from OEM toners with same serial numbers.
This dealer was very angry and told me that he is using original toners only.
BUT THE SYSTEMS DON`T LIE......
FYI
Compare the serialnumbers and take care for the lifetime from the cartridges
I colored the div SNs for better overview
Toners.JPG
One more time i has to remember:
Without system data sharing it`s not possible/ not easy to find the reasosn and more often a crystal ball is needed.

Not against you, but what i learned was the following: NEVER TRUST A TECHNICIAN or ENDCUSTOMER

[progoffice]

Re: taskalfa 5002

@gab

sorry i didn`t read your answer about OEM toner!
By usage from non original toner it`s clear for me!
I have had several cases from usage of OEM toner and bad quality.
I will attach one screenshot from toner log of color system with usage from OEM toners with same serial numbers.
This dealer was very angry and told me that he is using original toners only.
BUT THE SYSTEMS DON`T LIE......
FYI
Compare the serialnumbers and take care for the lifetime from the cartridges
I colored the div SNs for better overview
[ATTACH=CONFIG]59696[/ATTACH]
One more time i has to remember:
Without system data sharing it`s not possible/ not easy to find the reasosn and more often a crystal ball is needed.

Not against you, but what i learned was the following: NEVER TRUST A TECHNICIAN or ENDCUSTOMER

I've had OEM toners do weird things though too. Sometimes an OEM toner will not be recognized as genuine and I've even had a full bottle falsely read 5% until it was depleted. I believe the small chip that sits under the yellow sticker is to blame. I could be wrong, but I think the toner percentage and OEM recognition follows the bottle based on the chip. If the chip reads 0% and was used as a waste bottle, I don't think a customer could then accidentally use this bottle as a "new" toner, even if they flip the red switch on the bottle. It would still read as an empty toner by the machine.

[KYO_OEM]

Re: taskalfa 5002

You are partially right, but we didn`t received any information about the remaining toner or else.
As i had written, without system data it`s difficult to analyse.
There are 2 possibilties for Toner empty
1. by RFID chip, system is calculating the remaining toner and cartridge is empty
2. by engine sensed, if not enough toner would forwarded, system will ignore the RFID data and message is coming up.

system is counting the turns from the toner motor
by each turn, motor is adding 1mg toner to the dv unit, 1mg = 0,1V (not real values, only for better understanding)
e.g.
after 10 turns we get 10mg toner, if now the sensor does not measure 1V difference, system will call for new toner/ finally after >50 turns and no increased value for sensor--> toner empty message is coming up.

But if still enough toner could be forwarded by the toner motor, you do not get the message toner empty...system will work with waste toner in this case...
Seen by myself several times.

[Gab]

Re: taskalfa 5002

From my technical point of view it must be related to the used toner.
In past you changed dv unit and after a short while it came back.
Now, with other dv it`s o.k., but i think it will come back if enough "broken" toner would forwarded to this dv.
Do you see red mark on the rear side from toner cartridge?
Normally it`s hidden, only in case of usage from empty bk cartridge for waste, it becomes red and you can`t mount this cartridge for toner anymore.
But i have seen this kind of usage several times.
I don`t know how the endcustomer was able to insert the cartridges but it would done

Till now machines works fine. Is it possible problem to return?
Also i noticed that messages for waste toner appeared. I replaced also waste toner from an other machine? Till now no message for waste toner.

[KYO_OEM]

Re: taskalfa 5002

It can return as long as the system works with third-party toner.

[Samanator]

Re: taskalfa 5002

I'm just going to toss this out because its something I do that many time that helps quality problems. Kyocera calls it Image Adjustment. If I haven't seen the machine in a while, if the machine has sat up w/o being run for a while, if I pull the charger rollers, dev units, or drum units, or transfer belt unit and clean them, I do an Image Adjustment before I leave the customer.

Basically, run first U464 (Set ID Adjustment Mode > Calib), then U469 (Color Registration > Auto), then U410 (Half Tone Auto Adjustment > Normal Mode). Color models may require a little more.

For many quality issues this will help. If it doesn't, you have something really bad going on.

[KYO_OEM]

Re: taskalfa 5002

i call it preventive measure,
by the way:
if you want to know last time from U410 or halftone adjustment by adjustment/ maintenance chapter, check U251/ "Maintenance HT" and you can see how many pages system had run without any adjustments.
This value would set to "0" automatically after running U410 successfully.
Also helpfull if any colleague had exchanged dk,dv,tr,fk or other components in past and you has to visit the endcustomer again because of faint images, background or else
e.g.
U110 shows 2.500 pages and U251/ MNT HT shows 60.000,
now you can see no needed important adjustments for new components would done by him and new components are running with wrong/ old values.
U464/U469 and U410 can solve it.

[ihatefinishers13]

Re: taskalfa 5002

Till now machines works fine. Is it possible problem to return?
Also i noticed that messages for waste toner appeared. I replaced also waste toner from an other machine? Till now no message for waste toner.

Although the DV unit was the culprit, I have also seen the Primary Transfer Unit cause this as well. Nothing you can do to stop or prevent it. We only used OEM on those series of Kyocera, and had that happen a few times.