Question about Konica Minolta bizhub C220 Color C / M / Y Drum Unit Genuine

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Replace black drum unit - where is it? - Konica Minolta bizhub C220 Color C / M / Y Drum Unit Genuine

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steven brickhouse

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Behind the waste tone box it will be labeled K. there are also firmware and settings to cut this warning off.

Posted on Oct 19, 2013


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Black mark half way across the paper on a BIZHUB c252 what is cursing this

Possibly a dirty main charge wire on the black drum unit. Open the front door and locate a small light blue knob on the black drum unit. If you you pull that knob in and out of the drum unit it will clean the charge wire. If this doesn't you may hve to replace the drum unit.

Dec 19, 2014 | Konica Minolta BizHub C252

1 Answer


If the whole page is covered by these black lines, then you have to replace the developer unit K..
If there is (for example) one black line that is been repeated in page three times (vertical) then you have to replace the drum unit. The drum units are all the same, so you can test by change two drums between them.

Jul 15, 2014 | Kyocera Office Equipment & Supplies

1 Answer

Sharp 1641cs - Dark/black page after replacing drum & toner

Hi you have not said the toner type you replaced with though that will give not completely black copy. The problem may have been the drum unit installation. Make sure the charge unit over the drum service is present ie the one with a mesh wire like grid. If present, clean it or wipe with a soft clean and dry cloth. Clean the saw-tooth like metal plate inside that unit by slow blowing and make sure no toner particles are there. Finally screw the unit properly on the drum unit and your problem is solved.

Jan 11, 2013 | Sharp AL-1641CS All-In-One Laser Printer

1 Answer

I recently changed the Black drum unit for canon 32000 it has only worked for 3 days and again it has given me the error code 04b0 suggesting that i change the same again. What could be the problem this...

The error code is for a Black toner problem. The E000020 is for the drum/developersection, the 04 is for black, and the BO is for the drum unit approaching the end of its life. The quick way is to replace the black drum unit.

Hope this helps, thanks!

Nov 03, 2011 | Office Equipment & Supplies

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Machine is asking for U28 replace black drums - I replaced black tone cartridge, the opc Drum Unit and the Toner Waste Container and the machine is still inoperative

on the back of the drum unit is a little "flag" that activates a sensor when you insert the drum to reset the drum counter. if the drum is replaced incorrectly or is from a poor supplier then the flag will be in the wrong position and when inserted will not reset the counter. try another black drum to reset the counter, do not discard the drum as the technician that visits in future can reset the flag for you.

Apr 17, 2010 | Panasonic DP-C263 Copier

1 Answer

Have a oki c9800 error 923. have replaced the motor unit for black image drum but it prints some pages and gives the error again

923: Error - Black Image Drum Lock Error
The K ID unit is not operating

Check to confirm that Image Drum is seated properly.
Check to confirm that the K ID
unit is in position.
Replace the K ID unit.
Replace the K ID motor.

Dec 10, 2009 | OKI C9600hdn Laser Printer

2 Answers

Sc491 error on ricoh MPC 3500

Sc 491 straight from manual

High voltage power: Drum/ development bias output error
An error signal is detected for 0.2 seconds when charging the drum or
 High voltage leak
 Broken harness
 Defective drum unit or development unit
 Defective high voltage supply unit

1. Check or replace the harness.
2. Replace the drum unit or paper transfer unit.
3. Replace the high voltage supply unit.

Nov 16, 2009 | Ricoh Aficio CL3500N Laser Printer

1 Answer

What does code: DK means?. How can I fix it?

This code indicates that the Black Drum has reached 100k. It could also be the black developer and primary transfer belt are at 100k.

DC = Drum Cyan
DM = Drum Magenta
DY = D
rum Yellow
DK = Drum blacK

Even if it is reset you will still need the drum unit or drum/mc kit replaced very soon. These units do not last much longer than specified. After this the print quality deteriorates rapidly. Eventually the drum edges wear away so much that they can force developer out of the dev tank. You can usually get away with not replacing the K dev. If you reset the K dev at the same time as replacing the K drum unit, the machine adjusts itself can function normally. A dev normally lasts 200-300K. The primary belt unit lasts longer than the 100K spec and often beyond 200K out of them before replacement or refurbishment.

Finally, make sure that the Firmware is up to date.

Sep 30, 2009 | Sharp MX-3501N All-In-One Printer

2 Answers

Printer is printing BLACK PAGES

Solution from brother

Jul 11, 2008 | Brother HL-2040 Laser Printer

2 Answers

Xerox xc1020

is it a printer/copier? both prints and copies off the glass come out black?
yes...probably a problem in the drum/ CRU area
No- prints OK but copies black lift the lid and watch the exposure lamp...does it light up? does it move? Both of these scenarios would usually bring up a fault code, so I would still be inclined towards the drum unit.Pull the unit out and make sure no paper has sneaked up between the drum and the exposure slot, or even into the drum unit. another cause could be a broken corotron wire (very thin wire close to the drum usually behind a grid (charge grid) If it is a customer replacement drum unit (CRU) the charge grid will be built into the unit and will require the whole thing replacing.......

Dec 27, 2007 | Xerox CopyCentre C20 Black and White...

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