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Error code C2556 Konica C652

Ive worked out that the TCR sensor on the yellow imaging unit needs cleaning but Im having trouble locating the actual sensor window that needs cleaning

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Norman J Weimar Jr
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  • Konica Minolta Master
  • 6,674 Answers

Because that model does not have them, it is all electronic the sensor are in the image units

Posted on Jan 18, 2016

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Posted on Jan 02, 2017

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SOURCE: Konica Minolta C450- error code c-2251

It's been a while since you posted that but you may just need to slide it back out and shake it back and forth (long ways) a few times. We had the same problem and the konica minolta tech told us to do that. It worked. DO NOT turn it upside down though.

Posted on Jul 18, 2008

  • 12 Answers

SOURCE: Imaging Unit Problem with bizhub C450

On the end of the image unit you will find a white bit of plastic with a small screw in the middle, make sure this screw is tight and then reinstall the units(give the units a bit of a shake too)

Posted on Apr 06, 2009

  • 5 Answers

SOURCE: Konica Minolta C353 has a C4551 error, how do I fix it?

try replacing the imaging unit with a new one not a reset imaging unit

Posted on Sep 02, 2009

STARCOPY313
  • 5 Answers

SOURCE: Dev Home Sensor Error Replaced Imaging Unit and

TRY FIRMWARE

Posted on Sep 04, 2009

  • 15 Answers

SOURCE: Replacing Image Transfer Roller Unit & Paper Dust/Ozone Remover

hi this unit located in the RIGHT DOOR

Posted on Jan 15, 2010

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1 Answer

HOW I CAN CLEAR C2555 CODE ON MY C250 KONICA MINOLTA MACHINE
Code

C2555
Description

Abnormally low toner density detected Yellow TCR Sensor
• TC ratio in the developing machine, which is determined by Toner replenishing amount control mechanism, is 5 % or less for a given number of times consecutively.

Remedy

0 Open and then close the front door.
1 Perform image troubleshooting procedure if image density is low.
2 Clean the TCR Sensor window on the underside of the Imaging Unit if dirty.
3 M6, M7 operation check PWB-M CNDM2-10 to 13 (M6) PWB-M CNDM3-10 to 13 (M7) C-20 C-21.
4 Reinstall Imaging Unit.
5 Change Imaging Unit.
6 Change PWB-M.
7 Change PWB-MFP.

Nov 19, 2017 | Konica Minolta Office Equipment & Supplies

1 Answer

While doing printing after 6 or 7 print, the error code c2552 appear in konica Minolta c220, I have open the front door, after that error gone, Again same problem coming after 6 or 7 print.
C2552 Abnormally high toner density
detected Cyan TCR Sensor
• TC ratio in the developing machine, which is
determined by Toner replenishing amount control
mechanism, is 12 % or more for a given number
of times consecutively.

1Clean the TCR Sensor window on the
underside of the Imaging Unit if dirty

2 Reinstall Imaging Unit
3 Change Imaging Unit
4 Change PWB-M
5 Change PWB-MFP

Jan 24, 2017 | Konica Minolta Office Equipment & Supplies

1 Answer

Konica minolta bizhub C253 is showing me trouble code C- 2556. What should I do to pix this problem
Konica-Minolta bizhub C253 Trouble Error Codes List page 4

Code C2556
Abnormally high toner density detected yellow TCR sensor
• TC ratio in the developing machine, which is determined by toner replenishing amount control mechanism, is 11 % or more for a given number of times consecutively. • When the connector of the TCR sensor is disconnected.
Solution:
1 Reinstall imaging unit. 2 Reinstall toner cartridge. 3 M3, M4 operation check (At this time, IU must be non-installation.). 4 Change imaging unit. 5 Change PRCB
Extract from:
http://www.printcopy.info/?l=en&mod=free&chap=erc&brand=Konica-Minolta&model=bizhub%20C253&page=4

Nov 14, 2015 | Konica Minolta Office Equipment & Supplies

3 Answers

Why c2553 error code in konica minolta c451 what is the problem
Toner hopar and toner senser

May 23, 2015 | Konica Minolta Bizhub C451...

1 Answer

How to solve trouble code c 2553 in konica Minolta c 451
Code C2553 Description Abnormally low toner density detected magenta TCR sensor
• When sampling data is determined in TC ratio calculation control, TCR sensor output is higher than a predetermined value for a predetermined number of times in a row even though there is toner in the sub hopper. Remedy 1 Perform image troubleshooting procedure if image density is low. 2 Clean the TCR sensor window on the underside of the imaging unit if dirty 3 Reinstall imaging unit. 4 Reinstall toner cartridge. 5 M9, M10, M11 operation check (At this time, IU must be non-installation.) M9: PRCB CN16PRCB-1 to 4 M10: PRCB CN16PRCB-5 to 8 M11: PRCB CN16PRCB-9 to 12 C-22 to 23. 6 M13, M14 operation check M13: PRCB CN17PRCB-5 to 8 M14: PRCB CN17PRCB-9 to 12 K-1. 7 If the toner empty sensor and its surroundings inside the sub hopper are dirtied with toner, clean them. 8 Change imaging unit. 9 Change PRCB. http://printcopy.info/?l=en&mod=free&chap=erc&brand=Konica-Minolta&model=bizhub%20C451

May 21, 2015 | Konica Minolta Office Equipment & Supplies

1 Answer

Konica minolta c2556
C2556 Abnormally high toner
density detected yellow
TCR sensor
• TC ratio in the developing machine, which is
determined by toner replenishing amount
control mechanism, is 11 % or more for a
given number of times consecutively.
• When the connector of the TCR sensor is
disconnecte

Mar 04, 2014 | Minolta bizhub 200 All-In-One Printer

1 Answer

What s error code c-2554 of konica minolta bizhub c253?
C 2554 Abnormally high toner density detected Magenta TCR sensor.
Clean the TCR sensor window on the underside of the imaging unit if dirty,reinstall imaging unit or change imaging unit.

Aug 06, 2013 | Konica Minolta Bizhub C253 Copier

1 Answer

Error c2556 in konica minolta bizhub c 200
C - 2556 Abnormally high toner density detected yellow TCR sensor.
Clean the TCR sensor window on the underside of the yellow imaging unit if dirty.Reinstall imaging unit or change imaging unit.

Apr 01, 2013 | Office Equipment & Supplies

1 Answer

Error 2554
C - 2554 Abnormally high toner density detected magenta TCR sensor.
Clean the TCR sensor window on the underside of the imaging unit,reinstall imaging unit if neccessary change the imaging unit.

Feb 28, 2013 | Konica Minolta 2 Pack Bizhub C-250 C-250p...

2 Answers

Konica bizhub 250 error c255c
there is no c255c code but if it is a c2555 c2556 c2557 or any other c255 code it may need a new image unit. please give more info

Oct 08, 2010 | Konica Minolta Bizhub c203 Copier

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