Question about Konica Minolta Bizhub C220 Color Copier

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Error code 2557

Dear all, Last time also i posted same error, i got some solution but no use, the error C2557 coming again, and the TCR value for Cyan is 4 and Black for 3.5, please help me. My advance Thanks

Posted by app_3rp1756 on

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Adorjani Laszlo

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C-2557 Abnormally low toner density detected black TCR sensor.The TC ratio in the developing machine wich is determined by toner replenishing amount control mechanism is 5% or less for a given number of times consecutively.
Relevant electrical parts:imaging unit K,toner supply motor C/K ,mechanical control board or MFP control board.
Perform image troubleshooting procedure if image density is low.
Clean the TCR sensor window on the underside of the imaging unit if dirty.
Check the toner supply motor operation.
Remove and reinstall imaging unit K. or change the imaging unit.
Last solution turn ON the copier open the front door ,enter in service mode,select sistem1 or 2 ,select IuU Unit,select Unit K ,select new release press start and after job is completed close the front door,turn OFF the power,wait 2 minutes and turn ON.

Posted on Feb 11, 2013

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Anonymous

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SOURCE: b420 konica minolta

Check the following , Dirt of IDC sensor, Clean up the IDC sensor, if no then Printer control board abnormality Replace board

Posted on Aug 28, 2009

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Error code 2557


Hi,
C2557: Abnormally low toner density detected black TCR sensor.
Detailed Error code explained below.
Possiable solutions.
* Open and close the front toner door.
* Restart the machine by turning off the LCD screen power switch, then by the main body switch located behind the access panel above tray 1 indicator light.
* Call Konica to get a tech out.
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• When sampling data is determined in TC
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1 Answer

Errorc2557


It is my pleasure to guide you.


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Problem: code C2557 - Abnormally low toner density detected Black TCR Sensor

Sounds like something a technician should take care of. Most of the information I could obtain says that the


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Good luck and please post back that you are successful, giving thumbs up, or if I can be more helpful.

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http://www.chipreset.eu

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