TA-3551ci C5101 code

[BillyCarpenter]

I have a customer with a TaskAlfa 3551ci that's getting an intermittent 5101 error code. It's popped up twice over about a 3-week period.

According to the manual these are the most likely culprits. Replacing some parts involves more work than others and I was wondering if anyone can share some words of wisdom?

1. K Drum unit not turning. (replace drum unit)
2. Charge roller at K drum. (replace PCR and check contacts for proper connection)
3. High Voltage PWB. (check wiring harness from high voltage board to Engine PWB (this is a real bitch to replace as I pulled one off an old machine) or replace high voltage board if bad.
4. Engine PWB. (Check engine software and upgrade to latest or replace Engine PWB if bad.

I'm gonna start with upgrading the firmware and replacing the PCR just because both are easy and I'll go from there.


Edit: I've haven't been to the machine yet. The customer called in a few weeks ago and I had her power the machine off and back on. She called back in yesterday and the code popped up again. it was about 3 weeks since the 5101 code was first reported. Obviously the drum is turning or it wouldn't have worked for 3-weeks. Hopefully, I provided enough info.

[bsm2]

Re: TA-3551ci C5101 code

Reseat connectors as PCB on Kyocera very rarely fail.

[BillyCarpenter]

Re: TA-3551ci C5101 code

Reseat connectors as PCB on Kyocera very rarely fail.

Will do. I hate these intermittent problems because even if you do find the fix you really don't know for sure until enough time has passed.

[bsm2]

Re: TA-3551ci C5101 code

Will do. I hate these intermittent problems because even if you do find the fix you really don't know for sure until enough time has passed.

As a side note don't over look power issue check where and What else is plugged into near the same line as the copier. A good power filter and surge protection is standard SOP for copiers

[BillyCarpenter]

Re: TA-3551ci C5101 code

As a side note don't over look power issue check where and What else is plugged into near the same line as the copier. A good power filter and surge protection is standard SOP for copiers

Good point. We just had a major hurricane come thru last week and power was just restored. Flickering lights before the power goes out isn't good on a copier. I always unplug everything at home and the office before a major storm hits. Customers? Not so much.


Edit: The customer said the machine worked fine after power was restored but towards the end of yesterday the code popped up again. For the record.

[KYO_OEM]

Re: TA-3551ci C5101 code

check U110 + U930
If dk from BK would interchanged to dk with lower counter, you can get C5101.
System is increasing needed voltage for MC depended to page counter.
If you now mount a newer dk without running U119 and reset from U930 you get this problem.

[BillyCarpenter]

Re: TA-3551ci C5101 code

check U110 + U930
If dk from BK would interchanged to dk with lower counter, you can get C5101.
System is increasing needed voltage for MC depended to page counter.
If you now mount a newer dk without running U119 and reset from U930 you get this problem.

Good stuff, bro. I'm gonna add that information to my database. I'm gonna replace the charge roller @ K drum and run U930 & U464. That should take care of any over charge problem for the K charge roller.

Edit: The drum hasn't been swapped or replaced. I'm unsure if I should run U119? I would think not but not sure how that will affect drum charge since its not a new drum.

[KYO_OEM]

Re: TA-3551ci C5101 code

you can`t imagine how often i hear that nothing would swapped, nothing would done, or all needed adjustments would done.
I learned "Never trust a technician"
This is one of the most important points i has to tell the participants during my trainings.
I am always asking for maintenance reports.

U110, U111, U117, U120, U127, U157, U158, U251, U464, U984, U985 etc are very important points to check service history.
e.g.
U251/ maintenance count HT shows last adjustment by U410 or from service menue/ adjustment maintenance.
If this value is higher than pagecounter from U110/ BK, you know that this needed adjustment wouldn`t done.
By U117 you can see the inbuilt serialnumbers from DKs.
Take a look for yellow, you`ll see diff. beginning SN from factory drum.
Yellow drum never swap!! It`s internal back up component!

[blackcat4866]

Re: TA-3551ci C5101 code

The only times I've ever seen C5101, it was because either I had forgotten to reset U930 at a charge roller replacement, or because I had swapped a primary charge roller from another color with significantly different print count. I suspect that the machine increments the charge voltages higher as the roller is used, based on count. If you knew the accurate count of the charge roller, you might be able to set a specific count value in U930, though having that information seems unlikely.

Did I read correctly? Have you started your own database? =^..^=

[BillyCarpenter]

Re: TA-3551ci C5101 code

The only times I've ever seen C5101, it was because either I had forgotten to reset U930 at a charge roller replacement, or because I had swapped a primary charge roller from another color with significantly different print count. I suspect that the machine increments the charge voltages higher as the roller is used, based on count. If you knew the accurate count of the charge roller, you might be able to set a specific count value in U930, though having that information seems unlikely.

Did I read correctly? Have you started your own database? =^..^=

Yes, I started by own database. I saw that you had a database complete with pictures so I had to do the same. Some are thru my own experiences and some that I get off this site. It's an incredible resource to draw from. Thanks for all your contributions to the site. You're a good tech to emulate.

[BillyCarpenter]

Re: TA-3551ci C5101 code

you can`t imagine how often i hear that nothing would swapped, nothing would done, or all needed adjustments would done.
I learned "Never trust a technician"
This is one of the most important points i has to tell the participants during my trainings.
I am always asking for maintenance reports.

U110, U111, U117, U120, U127, U157, U158, U251, U464, U984, U985 etc are very important points to check service history.
e.g.
U251/ maintenance count HT shows last adjustment by U410 or from service menue/ adjustment maintenance.
If this value is higher than pagecounter from U110/ BK, you know that this needed adjustment wouldn`t done.
By U117 you can see the inbuilt serialnumbers from DKs.
Take a look for yellow, you`ll see diff. beginning SN from factory drum.
Yellow drum never swap!! It`s internal back up component!

I didn't have time to dig deep into this information but this morning I did. This was a REAL eye opener to me.

First things first: KYO-OEM is spot on with everything he said. It was a lot to take in and I had to see it to believe it and here's what I learned.

- The voltage to the PCR will be increased based on the page count of each individual charge roller. Simple enough

Where it gets interesting is when you change/swap a PCR and don't run the necessary adjustments. Everything gets out of balance and it can create real problems. I won't bother with all the adjustments needed because it's already been covered.

What's more interesting is that KYO_OEM is absolutely correct...U251(HT) will show the last adjustment done for U410. You're supposed to run U410 (half tone adjustment) every time you replace a PCR and when you run U410 it resets the counter back to ZERO for U251(HT). What we can extrapolate from all this is: If U251(HT) counter is higher than counter from U110 then someone forgot to run the necessary adjustments for replacing the PCR.


If you followed all of that, you deserve a prize. My head hurts.

[KYO_OEM]

Re: TA-3551ci C5101 code

One other helpfull service point you can use on all "newer" A3 systems with implemented U952 Service point.
I prepared own workflows to run by "Execute USB" instead of still implemented workflows from factory.
E.g.
after techn. exchanged DK unit he has to enter U952 by connected USB key/ select "execute usb"/ and he can`t forget any needed adjustment when he follow the workflow for drum.
This workflow is working for b/w + color systems, not needed/ available point would skipped automatically.
You can create your own workflow by windows editor, *.mwf file format system will recognize and it will work.
I don`t know why i can`t upload my file for sharing. (invalid file message)
But here you can see screenshot.
Maybe you can create your own, based on my sample.
Workflow.JPG
Now i always ask for maintenance report and i check if all needed adjustments would done or not, because it would logged by system and shown on this report with date + time stamp.
As i has written:
Never trust a technician..

[BillyCarpenter]

Re: TA-3551ci C5101 code

One other helpfull service point you can use on all "newer" A3 systems with implemented U952 Service point.
I prepared own workflows to run by "Execute USB" instead of still implemented workflows from factory.
E.g.
after techn. exchanged DK unit he has to enter U952 by connected USB key/ select "execute usb"/ and he can`t forget any needed adjustment when he follow the workflow for drum.
This workflow is working for b/w + color systems, not needed/ available point would skipped automatically.
You can create your own workflow by windows editor, *.mwf file format system will recognize and it will work.
I don`t know why i can`t upload my file for sharing. (invalid file message)
But here you can see screenshot.
Maybe you can create your own, based on my sample.
[ATTACH=CONFIG]47214[/ATTACH]
Now i always ask for maintenance report and i check if all needed adjustments would done or not, because it would logged by system and shown on this report with date + time stamp.
As i has written:
Never trust a technician..

You just blew my mind. This a beautiful thing.

Let me make sure I have the concept right. Are you telling me that I can write an executable workflow and run it via USB and instead of having to run each individual adjustment (manually) that I can simply execute all of them from USB (automatically) by running U952?

If I can figure out how to write the workflow correctly where it will actually work, this is gonna make life SO MUCH EASIER.

[KYO_OEM]

Re: TA-3551ci C5101 code

see attached leaflet and my explanation how to run workflows

[Brucehank12]

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