Konica Minolta bizhub 250 All-In-One Laser Printer Logo
Anonymous Posted on Nov 11, 2008

BizHub 250 Malfunction Code C2557 - HELP!

Our BizHub 250 was just serviced. We are now suddenly showing a Malfunction Code C2557. Anyone know how to fix?

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  • carol386 Nov 11, 2008

    I found something that says the code means that the drum was replaced without replacing the developer. We had someone service our machine (Konica Minolta BizHub 250) yesterday. He replace the drum and it was working fine after he left, but today we're getting this error message, C2557, and cannot use the machine at all.

  • mosimanegape moatshe
    mosimanegape moatshe May 27, 2014

    reset by preesing a small button on your right its situated in a corner go back to the screen prees3 and trouble reset switch off and on again

  • glenn oild
    glenn oild Jun 19, 2017

    you can reset 2557 alarm by adjusting the atdc level of the developer powder...

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  • Posted on Oct 01, 2009
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I can even reach the "service mode".
The screen shows the error (c2557) and I can not access to anyother function.

  • Ronie Deguit
    Ronie Deguit Sep 21, 2013

    open the right side cover before starting the machine so that you can enter to the service mode...

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  • Posted on Nov 10, 2009
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Ok il start by saying that my english is veryyyy bad.
ok so the developer is guarantied for 80000 copies but i seen 200k with a new dev. (developer type dv310) after some of the developer is lost in the copying proses the ac-dc sensor detects that the concentration is rong and it shows the C2557 error thats wen the error is shown by the copier . solving it is simple you can replace the dev. and run F8 mode if it dosent work manually ajust the acdc to a lower value (lower value means that is les tonner in the dev. hyer value more tonner obviously ) , 0r leave the old dev. in it and ajut the acdc to about 180 (you can ajust to 180 take out the tonner botle make some black copies(30) and put back the tonner bottle and adjust to a lower value that works) . The problem can also apear if the copier docent supply tonner so check that first . Entering the service menu is simple pres utility > (toch screen) original size> (kepad) stop>0>0>stop>0>1 the password from the manufacturer is 00000000 , in the service menu select tech mode in ther yowl find the different start modes F8,F... , and you have printer select printer and acdc adjustment , pres C to clear the value and via keypad enter the desired value . THE REST IS UP TU YOU MY FRIEND . CAUTION IF YOU DONT HAVE ANY IDEA ABOUT A LASER COPIER DONT EVEN ENTER THE SERVICE MODE CAUSE YOU CAN DO MENY WRONGS IN THE COPIER . GOOD LUCK

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  • Posted on Jan 06, 2009
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Go in service mode, counter special parts counter, reset the PC Life, then , in service mode again function, and as said previously : F8

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Replace developer and initialize it. A detailed description on how to is here:
How to fix C2557

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Toner concentration is wrong, change developer and do F8, you can also dry to do just F8 but it wount help always

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  • Posted on Dec 30, 2014
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When the developer was changed did the tech use a vacuum cleaner if so he may have destroyed the ATDC sensor. Clear counters first EXIT once THEN POWER OFF Master Power Rear left side (DO NOT EXIT ALL the WAY OUT OF SERVICE MODE), dump old developer, install new developer run F8. Do not run copies or prints before running F8 Remove Ethernet cable and FAX line to prevent any printing.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f

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  • Posted on Mar 23, 2013
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Error code c0209

  • Anonymous Mar 23, 2013

    Error code c0209

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Related Questions:

0helpful
1answer

My bizhub 250 shows c2557 sfter running f8

Did you put new developer before running F8? You need new developer before running F8. If C2557 keeps coming back "clean the solenoid at toner drive unit removed the adhesive to the solenoid" .
1helpful
1answer

How do I solve c2557 error ?

Hi
I found your error code and suggested remedies here:
Error Codes Konica Minolta bizhub 250 Code C2557
This site is very useful as by changing the drop down menus along the top of the page you can view other errors for your machine and for other models and makes. You can also use the link to get a pdf format Service Manual for your machine.
Hope this is helpful, if so would you please register that with Fixya
Cheers
0helpful
1answer

C2557 code bizhub 250

The ATDC sensor on the drum imaging unit is bad or the developer is bad. Recommend replacing drum imaging unit with new developer.
0helpful
2answers

Malfunction is detected c2557

Entering the service menu is simple pres utility > (touch screen) original size> (kepad) stop>0>0>stop>0>1 the password from the manufacturer is 00000000 , in the service menu select tech mode in ther yowl find the different start modes F8,F... , and you have printer select printer and acdc adjustment , pres C to clear the value and via keypad enter the desired value .
6helpful
3answers

We have Konica Minolta Bizhub 250 What does error C2557 mean

Error code c2557 means "Auto Toner Density Control sensor abnormality" (ATDC)
33helpful
3answers

Bizhub 350 error code c2557, how can i fix this?

This code happens if you replace drum without replacing developer. Both must be replaced at same time.
6helpful
1answer

Error c2557 konica minolta 250/NEC IT2530

Reset it, start it with the right door open, go to service mode, clear the counters for drum and developer and go to functions menu. Close the right door and start immediately the F8 function. It should work.
5helpful
1answer

Our bizhub-250 receives a C2557

hi,

open and close front door cover to reset error.

If it persists you have to execute (TCR Toner SUPPLY)

Tell me if you need to execute it.

Bye.
18helpful
6answers

Our bizhub-250 receives a C2557, need help with service mode

Utility/Counter -> Details -> [STOP][0][0][STOP][0][1]
Go to counter and clear the life of the developer and drums and then run F8 from functions.

Reset your Toners and Imaging units for Minolta Bizhub and CF series.
http://www.chipreset.eu
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