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Konica minoltac654e imaging unit black was taken out erroneously and put back in. It was "cleaned" partially and now prints the black only in one section, the one not cleaned. It's blank in one clean.

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Buy a new image unit.

Btw, I’m available to help over the phone in case u need at

Posted on Mar 05, 2017


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K M c654e black imaging unit. Was taken out and put back in. Either says wrong unit replace with right one. Or when it accepts it as right one it prints only about a third of paper. Blank on rest.

While putting Imaging Unit inside the machine, make sure the contact/chip area is actuating/hitting properly to the contact assy on the body of machine.
Here Black IU has two part- Black Drum and Black Developing Unit. I think only contact of pins causing problem.
At Frond side of drum unit below is Chip.
and same corresponding to developing unit u can find 3 pins assy.
while closing contact should be proper.

Dec 08, 2016 | Konica Minolta bizhub Office Equipment &...

1 Answer

Hi i just bought a second hand konica minolta c350 and when i print something it is notting enough clarity. please anybody can help me .

I would first starts by removing the Imaging units that are locked with blue levers below toner cartridges one by one for each colour and use the cleaning tool that is provided on the door (metal rod with handle and a pad on the opposite). When you pull the Imaging unit all the way out, you will see inside a long strip of LED and next to it on left hand side about a 1-2 cm another strip of MICRO LED Array. This is essentially yor print head and it has to be spotless clean. Use the rod and padded end to clean each of the arrays. This will give better sharpness and clarity to your prints. Then put Imaging Unit back in machine and pull the blue stick from the Imaging Unit out-in-out-in. The next step is to do Stabilisation and Gradation adjustments. This can be done in Service Mode. This should improve your printing. If it doesn't then you have either worn Imaging units _or_ Transfer Belt _or_ incorrect settings on Fuser or Fuser being worn.

Sep 29, 2016 | Konica Minolta Bizhub C350 Digital Copier,...

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Konica minolta bizup c550 printing black copy what will i do?

The corona housing for the back drum need to be replaced. Get a new black image unit drum and developer units

Btw, I’m available to help over the phone in case u need at

Aug 15, 2014 | Konica Minolta Bizhub C 353, Bizhub...

1 Answer

What is the causes of p21 and p6 in konica minolta bizhub c550

replace the black image unit and clean sensors under the transfer belt

Btw, I’m available to help over the phone in case u need at

Nov 18, 2013 | Konica Minolta Bizhub C550

1 Answer


P - 26 1st image transfer ATVC black failure
P - 27 2nd image transfer ATVC failure
P - 29 1 st image transfer ATVC colour failure
Check the transfer belt unit contact and that of high voltage board for connection and clean or correct the contact.
Change the image transfer belt unit.
Clean the sensor windows on the transfer belt unit.

Feb 10, 2013 | Konica Minolta bizhub C450P Laser Printer

1 Answer

What is it when display reads malfunction code C2654 on a Konica 351 copier?

C2654 code means Black Imaging Unit eeprom access error.

A condition of "EEPROM is not connected" or

"There is an access error" is detected in
EEPROM of the Imaging Unit.

So the issue lies within your Black Imaging Unit. I would try sliding the imaging unit out partially, then re-installing. Reset by switching off the main power.
If this does not solve the error then you will need to call your local service provider.
Good Luck and Thank You for using Fixya.

Sep 29, 2010 | Konica Minolta DiALTA Di200 Copier

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